id	sid	tid	token	lemma	pos
ajst-11369	1	1	academic	academic	ADJ
ajst-11369	1	2	journal	journal	NOUN
ajst-11369	1	3	of	of	ADP
ajst-11369	1	4	science	science	NOUN
ajst-11369	1	5	and	and	CCONJ
ajst-11369	1	6	technology	technology	NOUN
ajst-11369	1	7	issn	issn	NOUN
ajst-11369	1	8	:	:	PUNCT
ajst-11369	1	9	2771	2771	NUM
ajst-11369	1	10	-	-	SYM
ajst-11369	1	11	3032	3032	NUM
ajst-11369	1	12	|	|	NOUN
ajst-11369	1	13	vol	vol	NOUN
ajst-11369	1	14	.	.	PROPN
ajst-11369	2	1	7	7	NUM
ajst-11369	2	2	,	,	PUNCT
ajst-11369	2	3	no	no	INTJ
ajst-11369	2	4	.	.	NOUN
ajst-11369	2	5	1	1	NUM
ajst-11369	2	6	,	,	PUNCT
ajst-11369	2	7	2023	2023	NUM
ajst-11369	2	8	200	200	NUM
ajst-11369	2	9	the	the	DET
ajst-11369	2	10	effect	effect	NOUN
ajst-11369	2	11	of	of	ADP
ajst-11369	2	12	clamping	clamp	VERB
ajst-11369	2	13	force	force	NOUN
ajst-11369	2	14	and	and	CCONJ
ajst-11369	2	15	friction	friction	NOUN
ajst-11369	2	16	coefficient	coefficient	NOUN
ajst-11369	2	17	on	on	ADP
ajst-11369	2	18	the	the	DET
ajst-11369	2	19	clamping	clamp	VERB
ajst-11369	2	20	clamp	clamp	NOUN
ajst-11369	2	21	jinfeng	jinfeng	PROPN
ajst-11369	2	22	li	li	PROPN
ajst-11369	2	23	,	,	PUNCT
ajst-11369	2	24	jianbing	jianbing	PROPN
ajst-11369	2	25	zhang	zhang	PROPN
ajst-11369	2	26	,	,	PUNCT
ajst-11369	2	27	qingtao	qingtao	PROPN
ajst-11369	2	28	meng	meng	PROPN
ajst-11369	2	29	school	school	PROPN
ajst-11369	2	30	of	of	ADP
ajst-11369	2	31	mechanical	mechanical	ADJ
ajst-11369	2	32	engineering	engineering	NOUN
ajst-11369	2	33	,	,	PUNCT
ajst-11369	2	34	xi	xi	ADP
ajst-11369	2	35	'	'	PUNCT
ajst-11369	2	36	an	an	DET
ajst-11369	2	37	shiyou	shiyou	PROPN
ajst-11369	2	38	university	university	NOUN
ajst-11369	2	39	,	,	PUNCT
ajst-11369	2	40	xi	xi	ADP
ajst-11369	2	41	'	'	PUNCT
ajst-11369	2	42	an	an	INTJ
ajst-11369	2	43	,	,	PUNCT
ajst-11369	2	44	shaanxi	shaanxi	PROPN
ajst-11369	2	45	710065	710065	NUM
ajst-11369	2	46	,	,	PUNCT
ajst-11369	2	47	china	china	PROPN
ajst-11369	2	48	abstract	abstract	NOUN
ajst-11369	2	49	:	:	PUNCT
ajst-11369	2	50	in	in	ADP
ajst-11369	2	51	order	order	NOUN
ajst-11369	2	52	to	to	PART
ajst-11369	2	53	study	study	VERB
ajst-11369	2	54	the	the	DET
ajst-11369	2	55	influence	influence	NOUN
ajst-11369	2	56	of	of	ADP
ajst-11369	2	57	clamping	clamp	VERB
ajst-11369	2	58	force	force	NOUN
ajst-11369	2	59	and	and	CCONJ
ajst-11369	2	60	friction	friction	NOUN
ajst-11369	2	61	coefficient	coefficient	NOUN
ajst-11369	2	62	on	on	ADP
ajst-11369	2	63	the	the	DET
ajst-11369	2	64	stress	stress	NOUN
ajst-11369	2	65	distribution	distribution	NOUN
ajst-11369	2	66	of	of	ADP
ajst-11369	2	67	drill	drill	NOUN
ajst-11369	2	68	pipe	pipe	NOUN
ajst-11369	2	69	joint	joint	NOUN
ajst-11369	2	70	during	during	ADP
ajst-11369	2	71	the	the	DET
ajst-11369	2	72	buckling	buckle	VERB
ajst-11369	2	73	process	process	NOUN
ajst-11369	2	74	,	,	PUNCT
ajst-11369	2	75	the	the	DET
ajst-11369	2	76	nonlinear	nonlinear	ADJ
ajst-11369	2	77	contact	contact	NOUN
ajst-11369	2	78	problem	problem	NOUN
ajst-11369	2	79	and	and	CCONJ
ajst-11369	2	80	elastoplastic	elastoplastic	ADJ
ajst-11369	2	81	mechanical	mechanical	ADJ
ajst-11369	2	82	properties	property	NOUN
ajst-11369	2	83	of	of	ADP
ajst-11369	2	84	φ139.7	φ139.7	NOUN
ajst-11369	2	85	mm	mm	NOUN
ajst-11369	2	86	×	×	NOUN
ajst-11369	2	87	9.17	9.17	NUM
ajst-11369	2	88	mm	mm	PROPN
ajst-11369	2	89	drill	drill	NOUN
ajst-11369	2	90	pipe	pipe	NOUN
ajst-11369	2	91	were	be	AUX
ajst-11369	2	92	simulated	simulate	VERB
ajst-11369	2	93	by	by	ADP
ajst-11369	2	94	finite	finite	ADJ
ajst-11369	2	95	element	element	NOUN
ajst-11369	2	96	analysis	analysis	NOUN
ajst-11369	2	97	method	method	NOUN
ajst-11369	2	98	in	in	ADP
ajst-11369	2	99	this	this	DET
ajst-11369	2	100	paper	paper	NOUN
ajst-11369	2	101	,	,	PUNCT
ajst-11369	2	102	and	and	CCONJ
ajst-11369	2	103	the	the	DET
ajst-11369	2	104	stress	stress	NOUN
ajst-11369	2	105	distribution	distribution	NOUN
ajst-11369	2	106	and	and	CCONJ
ajst-11369	2	107	size	size	NOUN
ajst-11369	2	108	of	of	ADP
ajst-11369	2	109	drill	drill	NOUN
ajst-11369	2	110	pipe	pipe	NOUN
ajst-11369	2	111	joint	joint	NOUN
ajst-11369	2	112	during	during	ADP
ajst-11369	2	113	the	the	DET
ajst-11369	2	114	buckling	buckle	VERB
ajst-11369	2	115	process	process	NOUN
ajst-11369	2	116	were	be	AUX
ajst-11369	2	117	obtained	obtain	VERB
ajst-11369	2	118	.	.	PUNCT
ajst-11369	3	1	and	and	CCONJ
ajst-11369	3	2	the	the	DET
ajst-11369	3	3	effect	effect	NOUN
ajst-11369	3	4	of	of	ADP
ajst-11369	3	5	clamping	clamp	VERB
ajst-11369	3	6	force	force	NOUN
ajst-11369	3	7	and	and	CCONJ
ajst-11369	3	8	friction	friction	NOUN
ajst-11369	3	9	coefficient	coefficient	NOUN
ajst-11369	3	10	on	on	ADP
ajst-11369	3	11	the	the	DET
ajst-11369	3	12	joint	joint	NOUN
ajst-11369	3	13	of	of	ADP
ajst-11369	3	14	drill	drill	NOUN
ajst-11369	3	15	pipe	pipe	NOUN
ajst-11369	3	16	.	.	PUNCT
ajst-11369	4	1	it	it	PRON
ajst-11369	4	2	is	be	AUX
ajst-11369	4	3	found	find	VERB
ajst-11369	4	4	that	that	SCONJ
ajst-11369	4	5	the	the	DET
ajst-11369	4	6	stress	stress	NOUN
ajst-11369	4	7	of	of	ADP
ajst-11369	4	8	drill	drill	NOUN
ajst-11369	4	9	pipe	pipe	NOUN
ajst-11369	4	10	joint	joint	NOUN
ajst-11369	4	11	is	be	AUX
ajst-11369	4	12	mainly	mainly	ADV
ajst-11369	4	13	concentrated	concentrate	VERB
ajst-11369	4	14	in	in	ADP
ajst-11369	4	15	the	the	DET
ajst-11369	4	16	contact	contact	NOUN
ajst-11369	4	17	position	position	NOUN
ajst-11369	4	18	of	of	ADP
ajst-11369	4	19	drill	drill	NOUN
ajst-11369	4	20	pipe	pipe	NOUN
ajst-11369	4	21	and	and	CCONJ
ajst-11369	4	22	the	the	DET
ajst-11369	4	23	stress	stress	NOUN
ajst-11369	4	24	value	value	NOUN
ajst-11369	4	25	of	of	ADP
ajst-11369	4	26	drill	drill	NOUN
ajst-11369	4	27	pipe	pipe	NOUN
ajst-11369	4	28	joint	joint	NOUN
ajst-11369	4	29	shows	show	VERB
ajst-11369	4	30	a	a	DET
ajst-11369	4	31	trend	trend	NOUN
ajst-11369	4	32	of	of	ADP
ajst-11369	4	33	increasing	increase	VERB
ajst-11369	4	34	.	.	PUNCT
ajst-11369	5	1	when	when	SCONJ
ajst-11369	5	2	the	the	DET
ajst-11369	5	3	friction	friction	NOUN
ajst-11369	5	4	coefficient	coefficient	NOUN
ajst-11369	5	5	is	be	AUX
ajst-11369	5	6	0.15	0.15	NUM
ajst-11369	5	7	and	and	CCONJ
ajst-11369	5	8	the	the	DET
ajst-11369	5	9	clamping	clamp	VERB
ajst-11369	5	10	force	force	NOUN
ajst-11369	5	11	is	be	AUX
ajst-11369	5	12	600kn	600kn	PROPN
ajst-11369	5	13	,	,	PUNCT
ajst-11369	5	14	although	although	SCONJ
ajst-11369	5	15	there	there	PRON
ajst-11369	5	16	is	be	VERB
ajst-11369	5	17	stress	stress	ADJ
ajst-11369	5	18	concentration	concentration	NOUN
ajst-11369	5	19	in	in	ADP
ajst-11369	5	20	the	the	DET
ajst-11369	5	21	contact	contact	NOUN
ajst-11369	5	22	position	position	NOUN
ajst-11369	5	23	between	between	ADP
ajst-11369	5	24	the	the	DET
ajst-11369	5	25	clamp	clamp	NOUN
ajst-11369	5	26	teeth	tooth	NOUN
ajst-11369	5	27	and	and	CCONJ
ajst-11369	5	28	the	the	DET
ajst-11369	5	29	drill	drill	NOUN
ajst-11369	5	30	pipe	pipe	NOUN
ajst-11369	5	31	joint	joint	NOUN
ajst-11369	5	32	,	,	PUNCT
ajst-11369	5	33	it	it	PRON
ajst-11369	5	34	does	do	AUX
ajst-11369	5	35	not	not	PART
ajst-11369	5	36	exceed	exceed	VERB
ajst-11369	5	37	the	the	DET
ajst-11369	5	38	yield	yield	NOUN
ajst-11369	5	39	limit	limit	NOUN
ajst-11369	5	40	of	of	ADP
ajst-11369	5	41	the	the	DET
ajst-11369	5	42	drill	drill	NOUN
ajst-11369	5	43	pipe	pipe	NOUN
ajst-11369	5	44	joint	joint	NOUN
ajst-11369	5	45	,	,	PUNCT
ajst-11369	5	46	and	and	CCONJ
ajst-11369	5	47	no	no	DET
ajst-11369	5	48	plastic	plastic	ADJ
ajst-11369	5	49	deformation	deformation	NOUN
ajst-11369	5	50	occurs	occur	VERB
ajst-11369	5	51	.	.	PUNCT
ajst-11369	6	1	through	through	ADP
ajst-11369	6	2	the	the	DET
ajst-11369	6	3	simulation	simulation	NOUN
ajst-11369	6	4	calculation	calculation	NOUN
ajst-11369	6	5	,	,	PUNCT
ajst-11369	6	6	it	it	PRON
ajst-11369	6	7	is	be	AUX
ajst-11369	6	8	found	find	VERB
ajst-11369	6	9	that	that	SCONJ
ajst-11369	6	10	the	the	DET
ajst-11369	6	11	maximum	maximum	ADJ
ajst-11369	6	12	clamping	clamp	VERB
ajst-11369	6	13	force	force	NOUN
ajst-11369	6	14	and	and	CCONJ
ajst-11369	6	15	the	the	DET
ajst-11369	6	16	maximum	maximum	ADJ
ajst-11369	6	17	torque	torque	NOUN
ajst-11369	6	18	are	be	AUX
ajst-11369	6	19	1200kn	1200kn	ADJ
ajst-11369	6	20	and	and	CCONJ
ajst-11369	6	21	81.9kn.m	81.9kn.m	NUM
ajst-11369	6	22	respectively	respectively	ADV
ajst-11369	6	23	.	.	PUNCT
ajst-11369	7	1	when	when	SCONJ
ajst-11369	7	2	the	the	DET
ajst-11369	7	3	torque	torque	NOUN
ajst-11369	7	4	is	be	AUX
ajst-11369	7	5	fixed	fix	VERB
ajst-11369	7	6	,	,	PUNCT
ajst-11369	7	7	the	the	DET
ajst-11369	7	8	change	change	NOUN
ajst-11369	7	9	of	of	ADP
ajst-11369	7	10	friction	friction	NOUN
ajst-11369	7	11	coefficient	coefficient	NOUN
ajst-11369	7	12	has	have	VERB
ajst-11369	7	13	a	a	DET
ajst-11369	7	14	great	great	ADJ
ajst-11369	7	15	influence	influence	NOUN
ajst-11369	7	16	on	on	ADP
ajst-11369	7	17	the	the	DET
ajst-11369	7	18	maximum	maximum	ADJ
ajst-11369	7	19	clamping	clamp	VERB
ajst-11369	7	20	force	force	NOUN
ajst-11369	7	21	of	of	ADP
ajst-11369	7	22	drill	drill	NOUN
ajst-11369	7	23	pipe	pipe	NOUN
ajst-11369	7	24	joint	joint	NOUN
ajst-11369	7	25	.	.	PUNCT
ajst-11369	8	1	with	with	ADP
ajst-11369	8	2	the	the	DET
ajst-11369	8	3	increase	increase	NOUN
ajst-11369	8	4	of	of	ADP
ajst-11369	8	5	friction	friction	NOUN
ajst-11369	8	6	coefficient	coefficient	NOUN
ajst-11369	8	7	,	,	PUNCT
ajst-11369	8	8	the	the	DET
ajst-11369	8	9	maximum	maximum	ADJ
ajst-11369	8	10	clamping	clamp	VERB
ajst-11369	8	11	force	force	NOUN
ajst-11369	8	12	of	of	ADP
ajst-11369	8	13	drill	drill	NOUN
ajst-11369	8	14	pipe	pipe	NOUN
ajst-11369	8	15	joint	joint	NOUN
ajst-11369	8	16	decreases	decrease	NOUN
ajst-11369	8	17	continuously	continuously	ADV
ajst-11369	8	18	,	,	PUNCT
ajst-11369	8	19	and	and	CCONJ
ajst-11369	8	20	the	the	DET
ajst-11369	8	21	friction	friction	NOUN
ajst-11369	8	22	coefficient	coefficient	NOUN
ajst-11369	8	23	is	be	AUX
ajst-11369	8	24	inversely	inversely	ADV
ajst-11369	8	25	proportional	proportional	ADJ
ajst-11369	8	26	to	to	ADP
ajst-11369	8	27	the	the	DET
ajst-11369	8	28	maximum	maximum	ADJ
ajst-11369	8	29	clamping	clamp	VERB
ajst-11369	8	30	force	force	NOUN
ajst-11369	8	31	.	.	PUNCT
ajst-11369	9	1	the	the	DET
ajst-11369	9	2	research	research	NOUN
ajst-11369	9	3	in	in	ADP
ajst-11369	9	4	this	this	DET
ajst-11369	9	5	paper	paper	NOUN
ajst-11369	9	6	enriches	enrich	VERB
ajst-11369	9	7	the	the	DET
ajst-11369	9	8	understanding	understanding	NOUN
ajst-11369	9	9	of	of	ADP
ajst-11369	9	10	the	the	DET
ajst-11369	9	11	buckling	buckle	VERB
ajst-11369	9	12	process	process	NOUN
ajst-11369	9	13	of	of	ADP
ajst-11369	9	14	punching	punch	VERB
ajst-11369	9	15	pliers	plier	NOUN
ajst-11369	9	16	and	and	CCONJ
ajst-11369	9	17	provides	provide	VERB
ajst-11369	9	18	a	a	DET
ajst-11369	9	19	reference	reference	NOUN
ajst-11369	9	20	for	for	ADP
ajst-11369	9	21	the	the	DET
ajst-11369	9	22	rational	rational	ADJ
ajst-11369	9	23	buckling	buckling	NOUN
ajst-11369	9	24	of	of	ADP
ajst-11369	9	25	pipe	pipe	NOUN
ajst-11369	9	26	string	string	NOUN
ajst-11369	9	27	.	.	PUNCT
ajst-11369	10	1	keywords	keyword	NOUN
ajst-11369	10	2	:	:	PUNCT
ajst-11369	10	3	punching	punch	VERB
ajst-11369	10	4	pliers	plier	NOUN
ajst-11369	10	5	,	,	PUNCT
ajst-11369	10	6	drill	drill	NOUN
ajst-11369	10	7	pipe	pipe	NOUN
ajst-11369	10	8	joint	joint	NOUN
ajst-11369	10	9	,	,	PUNCT
ajst-11369	10	10	clamping	clamp	VERB
ajst-11369	10	11	force	force	NOUN
ajst-11369	10	12	,	,	PUNCT
ajst-11369	10	13	winding	wind	VERB
ajst-11369	10	14	torque	torque	NOUN
ajst-11369	10	15	,	,	PUNCT
ajst-11369	10	16	friction	friction	NOUN
ajst-11369	10	17	coefficient	coefficient	NOUN
ajst-11369	10	18	,	,	PUNCT
ajst-11369	10	19	stress	stress	NOUN
ajst-11369	10	20	.	.	PUNCT
ajst-11369	11	1	1	1	X
ajst-11369	11	2	.	.	X
ajst-11369	11	3	introduction	introduction	NOUN
ajst-11369	11	4	with	with	ADP
ajst-11369	11	5	the	the	DET
ajst-11369	11	6	rapid	rapid	ADJ
ajst-11369	11	7	development	development	NOUN
ajst-11369	11	8	of	of	ADP
ajst-11369	11	9	oil	oil	NOUN
ajst-11369	11	10	drilling	drilling	NOUN
ajst-11369	11	11	technology	technology	NOUN
ajst-11369	11	12	,	,	PUNCT
ajst-11369	11	13	iron	iron	NOUN
ajst-11369	11	14	driller	driller	NOUN
ajst-11369	11	15	technology	technology	NOUN
ajst-11369	11	16	came	come	VERB
ajst-11369	11	17	into	into	ADP
ajst-11369	11	18	being	being	NOUN
ajst-11369	11	19	.	.	PUNCT
ajst-11369	12	1	it	it	PRON
ajst-11369	12	2	completely	completely	ADV
ajst-11369	12	3	replaces	replace	VERB
ajst-11369	12	4	the	the	DET
ajst-11369	12	5	hydraulic	hydraulic	ADJ
ajst-11369	12	6	power	power	NOUN
ajst-11369	12	7	vise	vise	NOUN
ajst-11369	12	8	to	to	PART
ajst-11369	12	9	realize	realize	VERB
ajst-11369	12	10	the	the	DET
ajst-11369	12	11	process	process	NOUN
ajst-11369	12	12	of	of	ADP
ajst-11369	12	13	unloading	unload	VERB
ajst-11369	12	14	buckle	buckle	NOUN
ajst-11369	12	15	on	on	ADP
ajst-11369	12	16	the	the	DET
ajst-11369	12	17	drilling	drilling	NOUN
ajst-11369	12	18	tools	tool	NOUN
ajst-11369	12	19	,	,	PUNCT
ajst-11369	12	20	which	which	PRON
ajst-11369	12	21	has	have	VERB
ajst-11369	12	22	a	a	DET
ajst-11369	12	23	high	high	ADJ
ajst-11369	12	24	degree	degree	NOUN
ajst-11369	12	25	of	of	ADP
ajst-11369	12	26	automation	automation	NOUN
ajst-11369	12	27	,	,	PUNCT
ajst-11369	12	28	precise	precise	ADJ
ajst-11369	12	29	control	control	NOUN
ajst-11369	12	30	and	and	CCONJ
ajst-11369	12	31	high	high	ADJ
ajst-11369	12	32	safety	safety	NOUN
ajst-11369	12	33	coefficient	coefficient	NOUN
ajst-11369	12	34	.	.	PUNCT
ajst-11369	13	1	iron	iron	NOUN
ajst-11369	13	2	driller	driller	NOUN
ajst-11369	13	3	on	on	ADP
ajst-11369	13	4	the	the	DET
ajst-11369	13	5	buckle	buckle	NOUN
ajst-11369	13	6	is	be	AUX
ajst-11369	13	7	divided	divide	VERB
ajst-11369	13	8	into	into	ADP
ajst-11369	13	9	two	two	NUM
ajst-11369	13	10	stages	stage	NOUN
ajst-11369	13	11	,	,	PUNCT
ajst-11369	13	12	divided	divide	VERB
ajst-11369	13	13	into	into	ADP
ajst-11369	13	14	spinning	spin	VERB
ajst-11369	13	15	buckle	buckle	NOUN
ajst-11369	13	16	clamp	clamp	NOUN
ajst-11369	13	17	pre	pre	ADJ
ajst-11369	13	18	-	-	ADJ
ajst-11369	13	19	tightening	tightening	ADJ
ajst-11369	13	20	and	and	CCONJ
ajst-11369	13	21	punching	punch	VERB
ajst-11369	13	22	buckle	buckle	NOUN
ajst-11369	13	23	clamp	clamp	NOUN
ajst-11369	13	24	tightening	tighten	VERB
ajst-11369	13	25	two	two	NUM
ajst-11369	13	26	processes	process	NOUN
ajst-11369	13	27	,	,	PUNCT
ajst-11369	13	28	due	due	ADP
ajst-11369	13	29	to	to	ADP
ajst-11369	13	30	the	the	DET
ajst-11369	13	31	spinning	spin	VERB
ajst-11369	13	32	buckle	buckle	NOUN
ajst-11369	13	33	clamp	clamp	NOUN
ajst-11369	13	34	torque	torque	NOUN
ajst-11369	13	35	is	be	AUX
ajst-11369	13	36	insufficient	insufficient	ADJ
ajst-11369	13	37	,	,	PUNCT
ajst-11369	13	38	you	you	PRON
ajst-11369	13	39	need	need	VERB
ajst-11369	13	40	to	to	PART
ajst-11369	13	41	use	use	VERB
ajst-11369	13	42	the	the	DET
ajst-11369	13	43	punching	punching	NOUN
ajst-11369	13	44	buckle	buckle	NOUN
ajst-11369	13	45	clamp	clamp	NOUN
ajst-11369	13	46	for	for	ADP
ajst-11369	13	47	tightening	tightening	NOUN
ajst-11369	13	48	,	,	PUNCT
ajst-11369	13	49	to	to	PART
ajst-11369	13	50	realize	realize	VERB
ajst-11369	13	51	the	the	DET
ajst-11369	13	52	iron	iron	NOUN
ajst-11369	13	53	driller	driller	NOUN
ajst-11369	13	54	on	on	ADP
ajst-11369	13	55	the	the	DET
ajst-11369	13	56	buckle	buckle	NOUN
ajst-11369	13	57	operation	operation	NOUN
ajst-11369	13	58	.	.	PUNCT
ajst-11369	14	1	[	[	X
ajst-11369	14	2	1	1	X
ajst-11369	14	3	]	]	PUNCT
ajst-11369	14	4	when	when	SCONJ
ajst-11369	14	5	punching	punch	VERB
ajst-11369	14	6	pliers	plier	NOUN
ajst-11369	14	7	fastening	fastening	NOUN
ajst-11369	14	8	,	,	PUNCT
ajst-11369	14	9	the	the	DET
ajst-11369	14	10	buckling	buckle	VERB
ajst-11369	14	11	torque	torque	NOUN
ajst-11369	14	12	mainly	mainly	ADV
ajst-11369	14	13	depends	depend	VERB
ajst-11369	14	14	on	on	ADP
ajst-11369	14	15	the	the	DET
ajst-11369	14	16	size	size	NOUN
ajst-11369	14	17	of	of	ADP
ajst-11369	14	18	the	the	DET
ajst-11369	14	19	clamping	clamp	VERB
ajst-11369	14	20	force	force	NOUN
ajst-11369	14	21	and	and	CCONJ
ajst-11369	14	22	friction	friction	NOUN
ajst-11369	14	23	coefficient	coefficient	NOUN
ajst-11369	14	24	,	,	PUNCT
ajst-11369	14	25	however	however	ADV
ajst-11369	14	26	,	,	PUNCT
ajst-11369	14	27	too	too	ADV
ajst-11369	14	28	much	much	ADJ
ajst-11369	14	29	clamping	clamp	VERB
ajst-11369	14	30	force	force	NOUN
ajst-11369	14	31	will	will	AUX
ajst-11369	14	32	lead	lead	VERB
ajst-11369	14	33	to	to	ADP
ajst-11369	14	34	the	the	DET
ajst-11369	14	35	damage	damage	NOUN
ajst-11369	14	36	of	of	ADP
ajst-11369	14	37	the	the	DET
ajst-11369	14	38	pipe	pipe	NOUN
ajst-11369	14	39	column	column	NOUN
ajst-11369	14	40	;	;	PUNCT
ajst-11369	14	41	too	too	ADV
ajst-11369	14	42	little	little	ADJ
ajst-11369	14	43	clamping	clamp	VERB
ajst-11369	14	44	force	force	NOUN
ajst-11369	14	45	will	will	AUX
ajst-11369	14	46	occur	occur	VERB
ajst-11369	14	47	slipping	slip	VERB
ajst-11369	14	48	phenomenon	phenomenon	NOUN
ajst-11369	14	49	.	.	PUNCT
ajst-11369	15	1	therefore	therefore	ADV
ajst-11369	15	2	,	,	PUNCT
ajst-11369	15	3	it	it	PRON
ajst-11369	15	4	is	be	AUX
ajst-11369	15	5	necessary	necessary	ADJ
ajst-11369	15	6	to	to	PART
ajst-11369	15	7	analyze	analyze	VERB
ajst-11369	15	8	the	the	DET
ajst-11369	15	9	influence	influence	NOUN
ajst-11369	15	10	of	of	ADP
ajst-11369	15	11	clamping	clamp	VERB
ajst-11369	15	12	force	force	NOUN
ajst-11369	15	13	and	and	CCONJ
ajst-11369	15	14	friction	friction	NOUN
ajst-11369	15	15	coefficient	coefficient	NOUN
ajst-11369	15	16	on	on	ADP
ajst-11369	15	17	the	the	DET
ajst-11369	15	18	buckling	buckle	VERB
ajst-11369	15	19	torque	torque	NOUN
ajst-11369	15	20	.	.	PUNCT
ajst-11369	16	1	the	the	DET
ajst-11369	16	2	continuous	continuous	ADJ
ajst-11369	16	3	popularization	popularization	NOUN
ajst-11369	16	4	of	of	ADP
ajst-11369	16	5	iron	iron	NOUN
ajst-11369	16	6	drilling	drilling	NOUN
ajst-11369	16	7	technology	technology	NOUN
ajst-11369	16	8	makes	make	VERB
ajst-11369	16	9	more	more	ADJ
ajst-11369	16	10	and	and	CCONJ
ajst-11369	16	11	more	more	ADJ
ajst-11369	16	12	scholars	scholar	NOUN
ajst-11369	16	13	at	at	ADP
ajst-11369	16	14	home	home	ADV
ajst-11369	16	15	and	and	CCONJ
ajst-11369	16	16	abroad	abroad	ADV
ajst-11369	16	17	to	to	PART
ajst-11369	16	18	carry	carry	VERB
ajst-11369	16	19	out	out	ADP
ajst-11369	16	20	in	in	ADP
ajst-11369	16	21	-	-	PUNCT
ajst-11369	16	22	depth	depth	NOUN
ajst-11369	16	23	research	research	NOUN
ajst-11369	16	24	on	on	ADP
ajst-11369	16	25	the	the	DET
ajst-11369	16	26	related	relate	VERB
ajst-11369	16	27	problems	problem	NOUN
ajst-11369	16	28	in	in	ADP
ajst-11369	16	29	iron	iron	NOUN
ajst-11369	16	30	drilling	drilling	NOUN
ajst-11369	16	31	technology	technology	NOUN
ajst-11369	16	32	.	.	PUNCT
ajst-11369	17	1	abd	abd	PROPN
ajst-11369	17	2	-	-	PUNCT
ajst-11369	17	3	elhady	elhady	PROPN
ajst-11369	17	4	,	,	PUNCT
ajst-11369	17	5	amr	amr	PROPN
ajst-11369	17	6	a.[2	a.[2	PROPN
ajst-11369	17	7	]	]	PUNCT
ajst-11369	17	8	studied	study	VERB
ajst-11369	17	9	the	the	DET
ajst-11369	17	10	effect	effect	NOUN
ajst-11369	17	11	of	of	ADP
ajst-11369	17	12	clamping	clamp	VERB
ajst-11369	17	13	force	force	NOUN
ajst-11369	17	14	and	and	CCONJ
ajst-11369	17	15	friction	friction	NOUN
ajst-11369	17	16	coefficient	coefficient	NOUN
ajst-11369	17	17	on	on	ADP
ajst-11369	17	18	the	the	DET
ajst-11369	17	19	elastic	elastic	ADJ
ajst-11369	17	20	-	-	PUNCT
ajst-11369	17	21	plastic	plastic	NOUN
ajst-11369	17	22	behavior	behavior	NOUN
ajst-11369	17	23	of	of	ADP
ajst-11369	17	24	cracked	crack	VERB
ajst-11369	17	25	bolt	bolt	NOUN
ajst-11369	17	26	joints	joint	NOUN
ajst-11369	17	27	by	by	ADP
ajst-11369	17	28	using	use	VERB
ajst-11369	17	29	a	a	DET
ajst-11369	17	30	three	three	NUM
ajst-11369	17	31	-	-	PUNCT
ajst-11369	17	32	dimensional	dimensional	ADJ
ajst-11369	17	33	elasticplastic	elasticplastic	ADJ
ajst-11369	17	34	extended	extend	VERB
ajst-11369	17	35	finite	finite	NOUN
ajst-11369	17	36	element	element	NOUN
ajst-11369	17	37	method.hashimura	method.hashimura	ADV
ajst-11369	17	38	shinji[3	shinji[3	NUM
ajst-11369	17	39	]	]	PUNCT
ajst-11369	17	40	and	and	CCONJ
ajst-11369	17	41	others	other	NOUN
ajst-11369	17	42	,	,	PUNCT
ajst-11369	17	43	for	for	ADP
ajst-11369	17	44	the	the	DET
ajst-11369	17	45	problem	problem	NOUN
ajst-11369	17	46	of	of	ADP
ajst-11369	17	47	bolted	bolt	VERB
ajst-11369	17	48	joints	joint	NOUN
ajst-11369	17	49	,	,	PUNCT
ajst-11369	17	50	investigated	investigate	VERB
ajst-11369	17	51	the	the	DET
ajst-11369	17	52	variation	variation	NOUN
ajst-11369	17	53	of	of	ADP
ajst-11369	17	54	friction	friction	NOUN
ajst-11369	17	55	coefficients	coefficient	NOUN
ajst-11369	17	56	between	between	ADP
ajst-11369	17	57	the	the	DET
ajst-11369	17	58	bearing	bear	VERB
ajst-11369	17	59	surfaces	surface	NOUN
ajst-11369	17	60	under	under	ADP
ajst-11369	17	61	the	the	DET
ajst-11369	17	62	target	target	NOUN
ajst-11369	17	63	clamping	clamp	VERB
ajst-11369	17	64	force	force	NOUN
ajst-11369	17	65	for	for	ADP
ajst-11369	17	66	m8	m8	PROPN
ajst-11369	17	67	bolt	bolt	NOUN
ajst-11369	17	68	/	/	SYM
ajst-11369	17	69	nut	nut	NOUN
ajst-11369	17	70	assemblies	assembly	NOUN
ajst-11369	17	71	and	and	CCONJ
ajst-11369	17	72	the	the	DET
ajst-11369	17	73	variation	variation	NOUN
ajst-11369	17	74	of	of	ADP
ajst-11369	17	75	friction	friction	NOUN
ajst-11369	17	76	coefficients	coefficient	NOUN
ajst-11369	17	77	from	from	ADP
ajst-11369	17	78	the	the	DET
ajst-11369	17	79	middle	middle	NOUN
ajst-11369	17	80	to	to	ADP
ajst-11369	17	81	the	the	DET
ajst-11369	17	82	end	end	NOUN
ajst-11369	17	83	of	of	ADP
ajst-11369	17	84	the	the	DET
ajst-11369	17	85	appropriate	appropriate	ADJ
ajst-11369	17	86	target	target	NOUN
ajst-11369	17	87	clamping	clamp	VERB
ajst-11369	17	88	force	force	NOUN
ajst-11369	17	89	for	for	ADP
ajst-11369	17	90	the	the	DET
ajst-11369	17	91	bolt	bolt	NOUN
ajst-11369	17	92	/	/	SYM
ajst-11369	17	93	nut	nut	NOUN
ajst-11369	17	94	assemblies	assembly	NOUN
ajst-11369	17	95	.	.	PUNCT
ajst-11369	18	1	the	the	DET
ajst-11369	18	2	rate	rate	NOUN
ajst-11369	18	3	of	of	ADP
ajst-11369	18	4	change	change	NOUN
ajst-11369	18	5	of	of	ADP
ajst-11369	18	6	friction	friction	NOUN
ajst-11369	18	7	coefficient	coefficient	NOUN
ajst-11369	18	8	from	from	ADP
ajst-11369	18	9	the	the	DET
ajst-11369	18	10	middle	middle	NOUN
ajst-11369	18	11	to	to	ADP
ajst-11369	18	12	the	the	DET
ajst-11369	18	13	end	end	NOUN
ajst-11369	18	14	of	of	ADP
ajst-11369	18	15	the	the	DET
ajst-11369	18	16	target	target	NOUN
ajst-11369	18	17	clamping	clamp	VERB
ajst-11369	18	18	force.yan	force.yan	X
ajst-11369	18	19	w	w	PROPN
ajst-11369	18	20	,	,	PUNCT
ajst-11369	18	21	xie	xie	PROPN
ajst-11369	18	22	d	d	PROPN
ajst-11369	18	23	,	,	PUNCT
ajst-11369	18	24	guo	guo	PROPN
ajst-11369	18	25	l[4	l[4	PROPN
ajst-11369	18	26	]	]	X
ajst-11369	18	27	et	et	PROPN
ajst-11369	18	28	al	al	PROPN
ajst-11369	18	29	.	.	PROPN
ajst-11369	18	30	for	for	ADP
ajst-11369	18	31	the	the	DET
ajst-11369	18	32	problem	problem	NOUN
ajst-11369	18	33	of	of	ADP
ajst-11369	18	34	the	the	DET
ajst-11369	18	35	contact	contact	NOUN
ajst-11369	18	36	between	between	ADP
ajst-11369	18	37	the	the	DET
ajst-11369	18	38	clamping	clamp	VERB
ajst-11369	18	39	body	body	NOUN
ajst-11369	18	40	and	and	CCONJ
ajst-11369	18	41	the	the	DET
ajst-11369	18	42	outer	outer	ADJ
ajst-11369	18	43	wall	wall	NOUN
ajst-11369	18	44	of	of	ADP
ajst-11369	18	45	the	the	DET
ajst-11369	18	46	pipe	pipe	NOUN
ajst-11369	18	47	column	column	NOUN
ajst-11369	18	48	during	during	ADP
ajst-11369	18	49	the	the	DET
ajst-11369	18	50	buckling	buckle	VERB
ajst-11369	18	51	unloading	unloading	NOUN
ajst-11369	18	52	operation	operation	NOUN
ajst-11369	18	53	on	on	ADP
ajst-11369	18	54	a	a	DET
ajst-11369	18	55	punching	punching	NOUN
ajst-11369	18	56	clamp	clamp	NOUN
ajst-11369	18	57	,	,	PUNCT
ajst-11369	18	58	established	establish	VERB
ajst-11369	18	59	the	the	DET
ajst-11369	18	60	relationship	relationship	NOUN
ajst-11369	18	61	between	between	ADP
ajst-11369	18	62	the	the	DET
ajst-11369	18	63	various	various	ADJ
ajst-11369	18	64	influencing	influence	VERB
ajst-11369	18	65	factors	factor	NOUN
ajst-11369	18	66	and	and	CCONJ
ajst-11369	18	67	the	the	DET
ajst-11369	18	68	contact	contact	NOUN
ajst-11369	18	69	stresses	stress	VERB
ajst-11369	18	70	,	,	PUNCT
ajst-11369	18	71	and	and	CCONJ
ajst-11369	18	72	simulated	simulate	VERB
ajst-11369	18	73	the	the	DET
ajst-11369	18	74	contact	contact	NOUN
ajst-11369	18	75	stresses	stress	NOUN
ajst-11369	18	76	and	and	CCONJ
ajst-11369	18	77	deformations	deformation	NOUN
ajst-11369	18	78	of	of	ADP
ajst-11369	18	79	the	the	DET
ajst-11369	18	80	column	column	NOUN
ajst-11369	18	81	with	with	ADP
ajst-11369	18	82	the	the	DET
ajst-11369	18	83	finite	finite	PROPN
ajst-11369	18	84	element	element	NOUN
ajst-11369	18	85	method	method	NOUN
ajst-11369	18	86	(	(	PUNCT
ajst-11369	18	87	fem	fem	PROPN
ajst-11369	18	88	)	)	PUNCT
ajst-11369	18	89	.	.	PUNCT
ajst-11369	19	1	yu	yu	PROPN
ajst-11369	19	2	zhi	zhi	PROPN
ajst-11369	19	3	,	,	PUNCT
ajst-11369	19	4	zhang	zhang	PROPN
ajst-11369	19	5	le[5	le[5	PROPN
ajst-11369	19	6	]	]	PUNCT
ajst-11369	19	7	used	use	VERB
ajst-11369	19	8	finite	finite	PROPN
ajst-11369	19	9	element	element	NOUN
ajst-11369	19	10	to	to	PART
ajst-11369	19	11	analyze	analyze	VERB
ajst-11369	19	12	the	the	DET
ajst-11369	19	13	force	force	NOUN
ajst-11369	19	14	of	of	ADP
ajst-11369	19	15	casing	case	VERB
ajst-11369	19	16	joint	joint	NOUN
ajst-11369	19	17	under	under	ADP
ajst-11369	19	18	different	different	ADJ
ajst-11369	19	19	clamping	clamp	VERB
ajst-11369	19	20	force	force	NOUN
ajst-11369	19	21	,	,	PUNCT
ajst-11369	19	22	and	and	CCONJ
ajst-11369	19	23	got	get	VERB
ajst-11369	19	24	the	the	DET
ajst-11369	19	25	reasonable	reasonable	ADJ
ajst-11369	19	26	clamping	clamping	NOUN
ajst-11369	19	27	force	force	NOUN
ajst-11369	19	28	for	for	ADP
ajst-11369	19	29	the	the	DET
ajst-11369	19	30	unbuckling	unbuckle	VERB
ajst-11369	19	31	test	test	NOUN
ajst-11369	19	32	on	on	ADP
ajst-11369	19	33	this	this	DET
ajst-11369	19	34	specification	specification	NOUN
ajst-11369	19	35	casing	casing	NOUN
ajst-11369	19	36	.	.	PUNCT
ajst-11369	20	1	wu	wu	PROPN
ajst-11369	20	2	xiangshi[6	xiangshi[6	PROPN
ajst-11369	20	3	]	]	PUNCT
ajst-11369	20	4	and	and	CCONJ
ajst-11369	20	5	others	other	NOUN
ajst-11369	20	6	analyzed	analyze	VERB
ajst-11369	20	7	the	the	DET
ajst-11369	20	8	two	two	NUM
ajst-11369	20	9	-	-	PUNCT
ajst-11369	20	10	dimensional	dimensional	ADJ
ajst-11369	20	11	axisymmetric	axisymmetric	ADJ
ajst-11369	20	12	finite	finite	ADJ
ajst-11369	20	13	element	element	NOUN
ajst-11369	20	14	model	model	NOUN
ajst-11369	20	15	of	of	ADP
ajst-11369	20	16	drill	drill	NOUN
ajst-11369	20	17	pipe	pipe	NOUN
ajst-11369	20	18	joints	joint	NOUN
ajst-11369	20	19	on	on	ADP
ajst-11369	20	20	the	the	DET
ajst-11369	20	21	basis	basis	NOUN
ajst-11369	20	22	of	of	ADP
ajst-11369	20	23	elastic	elastic	ADJ
ajst-11369	20	24	mechanics	mechanic	NOUN
ajst-11369	20	25	theory	theory	NOUN
ajst-11369	20	26	,	,	PUNCT
ajst-11369	20	27	and	and	CCONJ
ajst-11369	20	28	proposed	propose	VERB
ajst-11369	20	29	a	a	DET
ajst-11369	20	30	new	new	ADJ
ajst-11369	20	31	calculation	calculation	NOUN
ajst-11369	20	32	method	method	NOUN
ajst-11369	20	33	of	of	ADP
ajst-11369	20	34	the	the	DET
ajst-11369	20	35	upper	upper	ADJ
ajst-11369	20	36	buckling	buckle	VERB
ajst-11369	20	37	torque	torque	NOUN
ajst-11369	20	38	.	.	PUNCT
ajst-11369	21	1	pei	pei	PROPN
ajst-11369	21	2	junfeng	junfeng	PROPN
ajst-11369	22	1	[	[	X
ajst-11369	22	2	7	7	X
ajst-11369	22	3	]	]	PUNCT
ajst-11369	22	4	and	and	CCONJ
ajst-11369	22	5	others	other	NOUN
ajst-11369	22	6	,	,	PUNCT
ajst-11369	22	7	in	in	ADP
ajst-11369	22	8	response	response	NOUN
ajst-11369	22	9	to	to	ADP
ajst-11369	22	10	the	the	DET
ajst-11369	22	11	chipping	chipping	NOUN
ajst-11369	22	12	and	and	CCONJ
ajst-11369	22	13	wear	wear	VERB
ajst-11369	22	14	phenomenon	phenomenon	NOUN
ajst-11369	22	15	of	of	ADP
ajst-11369	22	16	the	the	DET
ajst-11369	22	17	teeth	tooth	NOUN
ajst-11369	22	18	of	of	ADP
ajst-11369	22	19	the	the	DET
ajst-11369	22	20	iron	iron	NOUN
ajst-11369	22	21	driller	driller	NOUN
ajst-11369	22	22	's	's	PART
ajst-11369	22	23	punching	punching	NOUN
ajst-11369	22	24	and	and	CCONJ
ajst-11369	22	25	buckling	buckling	NOUN
ajst-11369	22	26	pliers	plier	NOUN
ajst-11369	22	27	in	in	ADP
ajst-11369	22	28	the	the	DET
ajst-11369	22	29	process	process	NOUN
ajst-11369	22	30	of	of	ADP
ajst-11369	22	31	unscrewing	unscrewing	NOUN
ajst-11369	22	32	and	and	CCONJ
ajst-11369	22	33	unloading	unloading	NOUN
ajst-11369	22	34	buckles	buckle	NOUN
ajst-11369	22	35	,	,	PUNCT
ajst-11369	22	36	based	base	VERB
ajst-11369	22	37	on	on	ADP
ajst-11369	22	38	the	the	DET
ajst-11369	22	39	ansys	ansys	PROPN
ajst-11369	22	40	workbench	workbench	PROPN
ajst-11369	22	41	finite	finite	PROPN
ajst-11369	22	42	element	element	NOUN
ajst-11369	22	43	software	software	NOUN
ajst-11369	22	44	,	,	PUNCT
ajst-11369	22	45	elasticity	elasticity	NOUN
ajst-11369	22	46	and	and	CCONJ
ajst-11369	22	47	plasticity	plasticity	NOUN
ajst-11369	22	48	analysis	analysis	NOUN
ajst-11369	22	49	of	of	ADP
ajst-11369	22	50	the	the	DET
ajst-11369	22	51	limit	limit	NOUN
ajst-11369	22	52	static	static	ADJ
ajst-11369	22	53	working	work	VERB
ajst-11369	22	54	state	state	NOUN
ajst-11369	22	55	of	of	ADP
ajst-11369	22	56	the	the	DET
ajst-11369	22	57	teeth	tooth	NOUN
ajst-11369	22	58	when	when	SCONJ
ajst-11369	22	59	they	they	PRON
ajst-11369	22	60	contact	contact	VERB
ajst-11369	22	61	the	the	DET
ajst-11369	22	62	drill	drill	NOUN
ajst-11369	22	63	pipe	pipe	NOUN
ajst-11369	22	64	.	.	PUNCT
ajst-11369	23	1	yan	yan	PROPN
ajst-11369	23	2	wenhui	wenhui	PROPN
ajst-11369	24	1	[	[	X
ajst-11369	24	2	8	8	NUM
ajst-11369	24	3	]	]	PUNCT
ajst-11369	24	4	and	and	CCONJ
ajst-11369	24	5	others	other	NOUN
ajst-11369	24	6	take	take	VERB
ajst-11369	24	7	the	the	DET
ajst-11369	24	8	relationship	relationship	NOUN
ajst-11369	24	9	between	between	ADP
ajst-11369	24	10	the	the	DET
ajst-11369	24	11	clamp	clamp	NOUN
ajst-11369	24	12	tooth	tooth	NOUN
ajst-11369	24	13	pattern	pattern	NOUN
ajst-11369	24	14	and	and	CCONJ
ajst-11369	24	15	the	the	DET
ajst-11369	24	16	equivalent	equivalent	ADJ
ajst-11369	24	17	friction	friction	NOUN
ajst-11369	24	18	coefficient	coefficient	NOUN
ajst-11369	24	19	as	as	ADP
ajst-11369	24	20	the	the	DET
ajst-11369	24	21	entry	entry	NOUN
ajst-11369	24	22	point	point	NOUN
ajst-11369	24	23	,	,	PUNCT
ajst-11369	24	24	based	base	VERB
ajst-11369	24	25	on	on	ADP
ajst-11369	24	26	the	the	DET
ajst-11369	24	27	principles	principle	NOUN
ajst-11369	24	28	of	of	ADP
ajst-11369	24	29	contact	contact	NOUN
ajst-11369	24	30	mechanics	mechanic	NOUN
ajst-11369	24	31	and	and	CCONJ
ajst-11369	24	32	tribology	tribology	NOUN
ajst-11369	24	33	,	,	PUNCT
ajst-11369	24	34	analyze	analyze	VERB
ajst-11369	24	35	the	the	DET
ajst-11369	24	36	force	force	NOUN
ajst-11369	24	37	analysis	analysis	NOUN
ajst-11369	24	38	of	of	ADP
ajst-11369	24	39	the	the	DET
ajst-11369	24	40	contact	contact	NOUN
ajst-11369	24	41	between	between	ADP
ajst-11369	24	42	the	the	DET
ajst-11369	24	43	clamp	clamp	NOUN
ajst-11369	24	44	teeth	tooth	NOUN
ajst-11369	24	45	and	and	CCONJ
ajst-11369	24	46	the	the	DET
ajst-11369	24	47	outer	outer	ADJ
ajst-11369	24	48	wall	wall	NOUN
ajst-11369	24	49	of	of	ADP
ajst-11369	24	50	the	the	DET
ajst-11369	24	51	pipe	pipe	NOUN
ajst-11369	24	52	column	column	NOUN
ajst-11369	24	53	joint	joint	NOUN
ajst-11369	24	54	,	,	PUNCT
ajst-11369	24	55	and	and	CCONJ
ajst-11369	24	56	establish	establish	VERB
ajst-11369	24	57	the	the	DET
ajst-11369	24	58	relationship	relationship	NOUN
ajst-11369	24	59	equations	equation	NOUN
ajst-11369	24	60	between	between	ADP
ajst-11369	24	61	the	the	DET
ajst-11369	24	62	clamp	clamp	NOUN
ajst-11369	24	63	tooth	tooth	NOUN
ajst-11369	24	64	angle	angle	NOUN
ajst-11369	24	65	,	,	PUNCT
ajst-11369	24	66	the	the	DET
ajst-11369	24	67	top	top	ADJ
ajst-11369	24	68	chamfer	chamfer	NOUN
ajst-11369	24	69	radius	radius	NOUN
ajst-11369	24	70	of	of	ADP
ajst-11369	24	71	the	the	DET
ajst-11369	24	72	teeth	tooth	NOUN
ajst-11369	24	73	,	,	PUNCT
ajst-11369	24	74	the	the	DET
ajst-11369	24	75	outer	outer	ADJ
ajst-11369	24	76	diameter	diameter	NOUN
ajst-11369	24	77	of	of	ADP
ajst-11369	24	78	the	the	DET
ajst-11369	24	79	pipe	pipe	NOUN
ajst-11369	24	80	column	column	NOUN
ajst-11369	24	81	and	and	CCONJ
ajst-11369	24	82	the	the	DET
ajst-11369	24	83	depth	depth	NOUN
ajst-11369	24	84	of	of	ADP
ajst-11369	24	85	the	the	DET
ajst-11369	24	86	bite	bite	NOUN
ajst-11369	24	87	mark	mark	NOUN
ajst-11369	24	88	and	and	CCONJ
ajst-11369	24	89	the	the	DET
ajst-11369	24	90	equivalent	equivalent	ADJ
ajst-11369	24	91	friction	friction	NOUN
ajst-11369	24	92	coefficient	coefficient	NOUN
ajst-11369	24	93	.	.	PUNCT
ajst-11369	25	1	ye	ye	PRON
ajst-11369	25	2	qiang	qiang	PROPN
ajst-11369	26	1	[	[	X
ajst-11369	26	2	9	9	NUM
ajst-11369	26	3	]	]	PUNCT
ajst-11369	26	4	and	and	CCONJ
ajst-11369	26	5	others	other	NOUN
ajst-11369	26	6	in	in	ADP
ajst-11369	26	7	the	the	DET
ajst-11369	26	8	introduction	introduction	NOUN
ajst-11369	26	9	of	of	ADP
ajst-11369	26	10	the	the	DET
ajst-11369	26	11	punch	punch	NOUN
ajst-11369	26	12	buckle	buckle	NOUN
ajst-11369	26	13	clamp	clamp	NOUN
ajst-11369	26	14	structure	structure	NOUN
ajst-11369	26	15	principle	principle	NOUN
ajst-11369	26	16	,	,	PUNCT
ajst-11369	26	17	focusing	focus	VERB
ajst-11369	26	18	on	on	ADP
ajst-11369	26	19	the	the	DET
ajst-11369	26	20	design	design	NOUN
ajst-11369	26	21	of	of	ADP
ajst-11369	26	22	the	the	DET
ajst-11369	26	23	punch	punch	NOUN
ajst-11369	26	24	buckle	buckle	NOUN
ajst-11369	26	25	clamp	clamp	NOUN
ajst-11369	26	26	structure	structure	NOUN
ajst-11369	26	27	,	,	PUNCT
ajst-11369	26	28	to	to	PART
ajst-11369	26	29	determine	determine	VERB
ajst-11369	26	30	the	the	DET
ajst-11369	26	31	punch	punch	NOUN
ajst-11369	26	32	buckle	buckle	NOUN
ajst-11369	26	33	clamp	clamp	NOUN
ajst-11369	26	34	clamp	clamp	NOUN
ajst-11369	26	35	clamping	clamp	VERB
ajst-11369	26	36	structure	structure	NOUN
ajst-11369	26	37	,	,	PUNCT
ajst-11369	26	38	punch	punch	VERB
ajst-11369	26	39	buckle	buckle	NOUN
ajst-11369	26	40	structure	structure	NOUN
ajst-11369	26	41	,	,	PUNCT
ajst-11369	26	42	as	as	ADV
ajst-11369	26	43	well	well	ADV
ajst-11369	26	44	as	as	ADP
ajst-11369	26	45	the	the	DET
ajst-11369	26	46	hydraulic	hydraulic	ADJ
ajst-11369	26	47	control	control	NOUN
ajst-11369	26	48	system	system	NOUN
ajst-11369	26	49	and	and	CCONJ
ajst-11369	26	50	other	other	ADJ
ajst-11369	26	51	key	key	ADJ
ajst-11369	26	52	technologies	technology	NOUN
ajst-11369	26	53	.	.	PUNCT
ajst-11369	27	1	liu	liu	PROPN
ajst-11369	27	2	bailong	bailong	PROPN
ajst-11369	28	1	[	[	X
ajst-11369	28	2	10	10	NUM
ajst-11369	28	3	]	]	PUNCT
ajst-11369	28	4	completed	complete	VERB
ajst-11369	28	5	the	the	DET
ajst-11369	28	6	design	design	NOUN
ajst-11369	28	7	of	of	ADP
ajst-11369	28	8	rocker	rocker	NOUN
ajst-11369	28	9	-	-	PUNCT
ajst-11369	28	10	type	type	NOUN
ajst-11369	28	11	iron	iron	NOUN
ajst-11369	28	12	driller	driller	NOUN
ajst-11369	28	13	punching	punching	NOUN
ajst-11369	28	14	pliers	plier	NOUN
ajst-11369	28	15	and	and	CCONJ
ajst-11369	28	16	the	the	DET
ajst-11369	28	17	simulation	simulation	NOUN
ajst-11369	28	18	test	test	NOUN
ajst-11369	28	19	of	of	ADP
ajst-11369	28	20	the	the	DET
ajst-11369	28	21	process	process	NOUN
ajst-11369	28	22	of	of	ADP
ajst-11369	28	23	upper	upper	ADJ
ajst-11369	28	24	unloading	unloading	NOUN
ajst-11369	28	25	buckle	buckle	NOUN
ajst-11369	28	26	on	on	ADP
ajst-11369	28	27	the	the	DET
ajst-11369	28	28	basis	basis	NOUN
ajst-11369	28	29	of	of	ADP
ajst-11369	28	30	detailed	detailed	ADJ
ajst-11369	28	31	research	research	NOUN
ajst-11369	28	32	on	on	ADP
ajst-11369	28	33	the	the	DET
ajst-11369	28	34	development	development	NOUN
ajst-11369	28	35	of	of	ADP
ajst-11369	28	36	domestic	domestic	ADJ
ajst-11369	28	37	and	and	CCONJ
ajst-11369	28	38	foreign	foreign	ADJ
ajst-11369	28	39	iron	iron	NOUN
ajst-11369	28	40	driller	driller	NOUN
ajst-11369	28	41	technology	technology	NOUN
ajst-11369	28	42	.	.	PUNCT
ajst-11369	29	1	201	201	NUM
ajst-11369	29	2	through	through	ADP
ajst-11369	29	3	reviewing	review	VERB
ajst-11369	29	4	the	the	DET
ajst-11369	29	5	literature	literature	NOUN
ajst-11369	29	6	,	,	PUNCT
ajst-11369	29	7	it	it	PRON
ajst-11369	29	8	can	can	AUX
ajst-11369	29	9	be	be	AUX
ajst-11369	29	10	seen	see	VERB
ajst-11369	29	11	that	that	SCONJ
ajst-11369	29	12	domestic	domestic	ADJ
ajst-11369	29	13	and	and	CCONJ
ajst-11369	29	14	foreign	foreign	ADJ
ajst-11369	29	15	scholars	scholar	NOUN
ajst-11369	29	16	have	have	AUX
ajst-11369	29	17	made	make	VERB
ajst-11369	29	18	many	many	ADJ
ajst-11369	29	19	studies	study	NOUN
ajst-11369	29	20	on	on	ADP
ajst-11369	29	21	iron	iron	NOUN
ajst-11369	29	22	driller	driller	NOUN
ajst-11369	29	23	technology	technology	NOUN
ajst-11369	29	24	.	.	PUNCT
ajst-11369	30	1	as	as	SCONJ
ajst-11369	30	2	the	the	DET
ajst-11369	30	3	two	two	NUM
ajst-11369	30	4	actuators	actuator	NOUN
ajst-11369	30	5	of	of	ADP
ajst-11369	30	6	the	the	DET
ajst-11369	30	7	iron	iron	NOUN
ajst-11369	30	8	driller	driller	NOUN
ajst-11369	30	9	,	,	PUNCT
ajst-11369	30	10	the	the	DET
ajst-11369	30	11	rotary	rotary	NOUN
ajst-11369	30	12	buckling	buckling	NOUN
ajst-11369	30	13	clamp	clamp	NOUN
ajst-11369	30	14	and	and	CCONJ
ajst-11369	30	15	the	the	DET
ajst-11369	30	16	punching	punching	NOUN
ajst-11369	30	17	buckling	buckle	VERB
ajst-11369	30	18	clamp	clamp	NOUN
ajst-11369	30	19	complete	complete	ADJ
ajst-11369	30	20	the	the	DET
ajst-11369	30	21	uploading	uploading	NOUN
ajst-11369	30	22	and	and	CCONJ
ajst-11369	30	23	unloading	unloading	NOUN
ajst-11369	30	24	operation	operation	NOUN
ajst-11369	30	25	of	of	ADP
ajst-11369	30	26	the	the	DET
ajst-11369	30	27	pipe	pipe	NOUN
ajst-11369	30	28	column	column	NOUN
ajst-11369	30	29	.	.	PUNCT
ajst-11369	31	1	however	however	ADV
ajst-11369	31	2	,	,	PUNCT
ajst-11369	31	3	in	in	ADP
ajst-11369	31	4	the	the	DET
ajst-11369	31	5	process	process	NOUN
ajst-11369	31	6	of	of	ADP
ajst-11369	31	7	buckling	buckling	NOUN
ajst-11369	31	8	,	,	PUNCT
ajst-11369	31	9	there	there	PRON
ajst-11369	31	10	are	be	VERB
ajst-11369	31	11	many	many	ADJ
ajst-11369	31	12	factors	factor	NOUN
ajst-11369	31	13	affecting	affect	VERB
ajst-11369	31	14	the	the	DET
ajst-11369	31	15	effect	effect	NOUN
ajst-11369	31	16	of	of	ADP
ajst-11369	31	17	buckling	buckling	NOUN
ajst-11369	31	18	,	,	PUNCT
ajst-11369	31	19	and	and	CCONJ
ajst-11369	31	20	to	to	PART
ajst-11369	31	21	achieve	achieve	VERB
ajst-11369	31	22	the	the	DET
ajst-11369	31	23	buckling	buckle	VERB
ajst-11369	31	24	torque	torque	NOUN
ajst-11369	31	25	and	and	CCONJ
ajst-11369	31	26	avoid	avoid	VERB
ajst-11369	31	27	the	the	DET
ajst-11369	31	28	damage	damage	NOUN
ajst-11369	31	29	of	of	ADP
ajst-11369	31	30	the	the	DET
ajst-11369	31	31	pipe	pipe	NOUN
ajst-11369	31	32	column	column	NOUN
ajst-11369	31	33	has	have	AUX
ajst-11369	31	34	become	become	VERB
ajst-11369	31	35	the	the	DET
ajst-11369	31	36	biggest	big	ADJ
ajst-11369	31	37	problem	problem	NOUN
ajst-11369	31	38	in	in	ADP
ajst-11369	31	39	the	the	DET
ajst-11369	31	40	process	process	NOUN
ajst-11369	31	41	of	of	ADP
ajst-11369	31	42	buckling	buckling	NOUN
ajst-11369	31	43	.	.	PUNCT
ajst-11369	32	1	at	at	ADP
ajst-11369	32	2	present	present	NOUN
ajst-11369	32	3	,	,	PUNCT
ajst-11369	32	4	although	although	SCONJ
ajst-11369	32	5	there	there	PRON
ajst-11369	32	6	are	be	VERB
ajst-11369	32	7	scholars	scholar	NOUN
ajst-11369	32	8	to	to	PART
ajst-11369	32	9	carry	carry	VERB
ajst-11369	32	10	out	out	ADP
ajst-11369	32	11	research	research	NOUN
ajst-11369	32	12	on	on	ADP
ajst-11369	32	13	related	related	ADJ
ajst-11369	32	14	issues	issue	NOUN
ajst-11369	32	15	,	,	PUNCT
ajst-11369	32	16	but	but	CCONJ
ajst-11369	32	17	the	the	DET
ajst-11369	32	18	impact	impact	NOUN
ajst-11369	32	19	of	of	ADP
ajst-11369	32	20	punching	punching	NOUN
ajst-11369	32	21	and	and	CCONJ
ajst-11369	32	22	buckling	buckle	VERB
ajst-11369	32	23	pliers	plier	NOUN
ajst-11369	32	24	on	on	ADP
ajst-11369	32	25	the	the	DET
ajst-11369	32	26	buckle	buckle	NOUN
ajst-11369	32	27	factors	factor	NOUN
ajst-11369	32	28	are	be	AUX
ajst-11369	32	29	less	less	ADV
ajst-11369	32	30	analyzed	analyzed	ADJ
ajst-11369	32	31	.	.	PUNCT
ajst-11369	33	1	in	in	ADP
ajst-11369	33	2	this	this	DET
ajst-11369	33	3	paper	paper	NOUN
ajst-11369	33	4	,	,	PUNCT
ajst-11369	33	5	the	the	DET
ajst-11369	33	6	contact	contact	NOUN
ajst-11369	33	7	stress	stress	NOUN
ajst-11369	33	8	between	between	ADP
ajst-11369	33	9	the	the	DET
ajst-11369	33	10	jaws	jaw	NOUN
ajst-11369	33	11	and	and	CCONJ
ajst-11369	33	12	the	the	DET
ajst-11369	33	13	joint	joint	NOUN
ajst-11369	33	14	of	of	ADP
ajst-11369	33	15	the	the	DET
ajst-11369	33	16	drill	drill	NOUN
ajst-11369	33	17	pipe	pipe	NOUN
ajst-11369	33	18	is	be	AUX
ajst-11369	33	19	analyzed	analyze	VERB
ajst-11369	33	20	in	in	ADP
ajst-11369	33	21	the	the	DET
ajst-11369	33	22	process	process	NOUN
ajst-11369	33	23	of	of	ADP
ajst-11369	33	24	punching	punching	NOUN
ajst-11369	33	25	and	and	CCONJ
ajst-11369	33	26	buckling	buckling	NOUN
ajst-11369	33	27	pliers	plier	NOUN
ajst-11369	33	28	.	.	PUNCT
ajst-11369	34	1	it	it	PRON
ajst-11369	34	2	analyzes	analyze	VERB
ajst-11369	34	3	the	the	DET
ajst-11369	34	4	contact	contact	NOUN
ajst-11369	34	5	mode	mode	NOUN
ajst-11369	34	6	and	and	CCONJ
ajst-11369	34	7	maximum	maximum	ADJ
ajst-11369	34	8	clamping	clamp	VERB
ajst-11369	34	9	force	force	NOUN
ajst-11369	34	10	between	between	ADP
ajst-11369	34	11	the	the	DET
ajst-11369	34	12	jaws	jaw	NOUN
ajst-11369	34	13	and	and	CCONJ
ajst-11369	34	14	the	the	DET
ajst-11369	34	15	joint	joint	NOUN
ajst-11369	34	16	of	of	ADP
ajst-11369	34	17	the	the	DET
ajst-11369	34	18	drill	drill	NOUN
ajst-11369	34	19	pipe	pipe	NOUN
ajst-11369	34	20	,	,	PUNCT
ajst-11369	34	21	and	and	CCONJ
ajst-11369	34	22	analyzes	analyze	VERB
ajst-11369	34	23	the	the	DET
ajst-11369	34	24	stress	stress	NOUN
ajst-11369	34	25	state	state	NOUN
ajst-11369	34	26	of	of	ADP
ajst-11369	34	27	the	the	DET
ajst-11369	34	28	joint	joint	NOUN
ajst-11369	34	29	of	of	ADP
ajst-11369	34	30	the	the	DET
ajst-11369	34	31	drill	drill	NOUN
ajst-11369	34	32	pipe	pipe	NOUN
ajst-11369	34	33	in	in	ADP
ajst-11369	34	34	the	the	DET
ajst-11369	34	35	process	process	NOUN
ajst-11369	34	36	of	of	ADP
ajst-11369	34	37	buckling	buckling	NOUN
ajst-11369	34	38	.	.	PUNCT
ajst-11369	35	1	punch	punch	NOUN
ajst-11369	35	2	-	-	PUNCT
ajst-11369	35	3	buckling	buckle	VERB
ajst-11369	35	4	pliers	plier	NOUN
ajst-11369	35	5	can	can	AUX
ajst-11369	35	6	solve	solve	VERB
ajst-11369	35	7	the	the	DET
ajst-11369	35	8	problem	problem	NOUN
ajst-11369	35	9	of	of	ADP
ajst-11369	35	10	insufficient	insufficient	ADJ
ajst-11369	35	11	torque	torque	NOUN
ajst-11369	35	12	of	of	ADP
ajst-11369	35	13	screwbuckling	screwbuckle	VERB
ajst-11369	35	14	pliers	plier	NOUN
ajst-11369	35	15	,	,	PUNCT
ajst-11369	35	16	but	but	CCONJ
ajst-11369	35	17	the	the	DET
ajst-11369	35	18	effect	effect	NOUN
ajst-11369	35	19	of	of	ADP
ajst-11369	35	20	punch	punch	NOUN
ajst-11369	35	21	-	-	PUNCT
ajst-11369	35	22	buckling	buckle	VERB
ajst-11369	35	23	pliers	plier	NOUN
ajst-11369	35	24	on	on	ADP
ajst-11369	35	25	buckling	buckling	NOUN
ajst-11369	35	26	will	will	AUX
ajst-11369	35	27	be	be	AUX
ajst-11369	35	28	affected	affect	VERB
ajst-11369	35	29	by	by	ADP
ajst-11369	35	30	the	the	DET
ajst-11369	35	31	clamping	clamp	VERB
ajst-11369	35	32	force	force	NOUN
ajst-11369	35	33	and	and	CCONJ
ajst-11369	35	34	friction	friction	NOUN
ajst-11369	35	35	coefficient	coefficient	NOUN
ajst-11369	35	36	,	,	PUNCT
ajst-11369	35	37	the	the	DET
ajst-11369	35	38	clamping	clamp	VERB
ajst-11369	35	39	force	force	NOUN
ajst-11369	35	40	is	be	AUX
ajst-11369	35	41	too	too	ADV
ajst-11369	35	42	small	small	ADJ
ajst-11369	35	43	to	to	PART
ajst-11369	35	44	meet	meet	VERB
ajst-11369	35	45	the	the	DET
ajst-11369	35	46	requirements	requirement	NOUN
ajst-11369	35	47	of	of	ADP
ajst-11369	35	48	buckling	buckling	NOUN
ajst-11369	35	49	,	,	PUNCT
ajst-11369	35	50	and	and	CCONJ
ajst-11369	35	51	too	too	ADV
ajst-11369	35	52	large	large	ADJ
ajst-11369	35	53	to	to	PART
ajst-11369	35	54	easily	easily	ADV
ajst-11369	35	55	cause	cause	VERB
ajst-11369	35	56	damage	damage	NOUN
ajst-11369	35	57	to	to	ADP
ajst-11369	35	58	the	the	DET
ajst-11369	35	59	pipe	pipe	NOUN
ajst-11369	35	60	column	column	NOUN
ajst-11369	35	61	.	.	PUNCT
ajst-11369	36	1	therefore	therefore	ADV
ajst-11369	36	2	,	,	PUNCT
ajst-11369	36	3	this	this	DET
ajst-11369	36	4	paper	paper	NOUN
ajst-11369	36	5	adopts	adopt	VERB
ajst-11369	36	6	the	the	DET
ajst-11369	36	7	finite	finite	ADJ
ajst-11369	36	8	element	element	NOUN
ajst-11369	36	9	method	method	NOUN
ajst-11369	36	10	to	to	PART
ajst-11369	36	11	analyze	analyze	VERB
ajst-11369	36	12	the	the	DET
ajst-11369	36	13	stress	stress	NOUN
ajst-11369	36	14	distribution	distribution	NOUN
ajst-11369	36	15	of	of	ADP
ajst-11369	36	16	drill	drill	NOUN
ajst-11369	36	17	pipe	pipe	NOUN
ajst-11369	36	18	joints	joint	NOUN
ajst-11369	36	19	under	under	ADP
ajst-11369	36	20	different	different	ADJ
ajst-11369	36	21	clamping	clamping	NOUN
ajst-11369	36	22	force	force	NOUN
ajst-11369	36	23	,	,	PUNCT
ajst-11369	36	24	and	and	CCONJ
ajst-11369	36	25	the	the	DET
ajst-11369	36	26	influence	influence	NOUN
ajst-11369	36	27	of	of	ADP
ajst-11369	36	28	friction	friction	NOUN
ajst-11369	36	29	coefficient	coefficient	NOUN
ajst-11369	36	30	on	on	ADP
ajst-11369	36	31	the	the	DET
ajst-11369	36	32	contact	contact	NOUN
ajst-11369	36	33	stress	stress	NOUN
ajst-11369	36	34	of	of	ADP
ajst-11369	36	35	drill	drill	NOUN
ajst-11369	36	36	pipe	pipe	NOUN
ajst-11369	36	37	joints	joint	NOUN
ajst-11369	36	38	under	under	ADP
ajst-11369	36	39	the	the	DET
ajst-11369	36	40	same	same	ADJ
ajst-11369	36	41	clamping	clamping	NOUN
ajst-11369	36	42	force	force	NOUN
ajst-11369	36	43	.	.	PUNCT
ajst-11369	37	1	2	2	X
ajst-11369	37	2	.	.	X
ajst-11369	37	3	finite	finite	PROPN
ajst-11369	37	4	element	element	PROPN
ajst-11369	37	5	model	model	NOUN
ajst-11369	37	6	the	the	DET
ajst-11369	37	7	working	work	VERB
ajst-11369	37	8	principle	principle	NOUN
ajst-11369	37	9	of	of	ADP
ajst-11369	37	10	tzg93/4	tzg93/4	PROPN
ajst-11369	37	11	-	-	PUNCT
ajst-11369	37	12	140s1	140s1	NUM
ajst-11369	37	13	iron	iron	NOUN
ajst-11369	37	14	driller	driller	NOUN
ajst-11369	37	15	's	's	PART
ajst-11369	37	16	punching	punching	NOUN
ajst-11369	37	17	clamp	clamp	NOUN
ajst-11369	37	18	:	:	PUNCT
ajst-11369	37	19	the	the	DET
ajst-11369	37	20	clamping	clamp	VERB
ajst-11369	37	21	cylinder	cylinder	NOUN
ajst-11369	37	22	pushes	push	VERB
ajst-11369	37	23	the	the	DET
ajst-11369	37	24	left	left	ADJ
ajst-11369	37	25	and	and	CCONJ
ajst-11369	37	26	right	right	ADJ
ajst-11369	37	27	slider	slider	NOUN
ajst-11369	37	28	assemblies	assembly	NOUN
ajst-11369	37	29	through	through	ADP
ajst-11369	37	30	the	the	DET
ajst-11369	37	31	clamping	clamp	VERB
ajst-11369	37	32	mechanism	mechanism	NOUN
ajst-11369	37	33	,	,	PUNCT
ajst-11369	37	34	and	and	CCONJ
ajst-11369	37	35	the	the	DET
ajst-11369	37	36	jaws	jaw	NOUN
ajst-11369	37	37	installed	instal	VERB
ajst-11369	37	38	on	on	ADP
ajst-11369	37	39	the	the	DET
ajst-11369	37	40	slider	slider	NOUN
ajst-11369	37	41	act	act	NOUN
ajst-11369	37	42	on	on	ADP
ajst-11369	37	43	the	the	DET
ajst-11369	37	44	drilling	drilling	NOUN
ajst-11369	37	45	tool	tool	NOUN
ajst-11369	37	46	,	,	PUNCT
ajst-11369	37	47	after	after	SCONJ
ajst-11369	37	48	the	the	DET
ajst-11369	37	49	jaws	jaw	NOUN
ajst-11369	37	50	of	of	ADP
ajst-11369	37	51	the	the	DET
ajst-11369	37	52	upper	upper	ADJ
ajst-11369	37	53	and	and	CCONJ
ajst-11369	37	54	lower	low	ADJ
ajst-11369	37	55	clamps	clamp	NOUN
ajst-11369	37	56	are	be	AUX
ajst-11369	37	57	clamped	clamp	VERB
ajst-11369	37	58	on	on	ADP
ajst-11369	37	59	the	the	DET
ajst-11369	37	60	drilling	drilling	NOUN
ajst-11369	37	61	tool	tool	NOUN
ajst-11369	37	62	,	,	PUNCT
ajst-11369	37	63	the	the	DET
ajst-11369	37	64	punching	punching	NOUN
ajst-11369	37	65	clamp	clamp	NOUN
ajst-11369	37	66	cylinder	cylinder	NOUN
ajst-11369	37	67	transfers	transfer	NOUN
ajst-11369	37	68	the	the	DET
ajst-11369	37	69	thrusting	thrust	VERB
ajst-11369	37	70	force	force	NOUN
ajst-11369	37	71	to	to	ADP
ajst-11369	37	72	the	the	DET
ajst-11369	37	73	slider	slider	NOUN
ajst-11369	37	74	through	through	ADP
ajst-11369	37	75	the	the	DET
ajst-11369	37	76	casing	casing	NOUN
ajst-11369	37	77	,	,	PUNCT
ajst-11369	37	78	and	and	CCONJ
ajst-11369	37	79	finally	finally	ADV
ajst-11369	37	80	the	the	DET
ajst-11369	37	81	clamping	clamp	VERB
ajst-11369	37	82	force	force	NOUN
ajst-11369	37	83	drives	drive	VERB
ajst-11369	37	84	the	the	DET
ajst-11369	37	85	drilling	drilling	NOUN
ajst-11369	37	86	tool	tool	NOUN
ajst-11369	37	87	to	to	PART
ajst-11369	37	88	rotate	rotate	VERB
ajst-11369	37	89	,	,	PUNCT
ajst-11369	37	90	so	so	SCONJ
ajst-11369	37	91	as	as	SCONJ
ajst-11369	37	92	to	to	PART
ajst-11369	37	93	carry	carry	VERB
ajst-11369	37	94	out	out	ADP
ajst-11369	37	95	punching	punching	NOUN
ajst-11369	37	96	clamping	clamp	VERB
ajst-11369	37	97	operation	operation	NOUN
ajst-11369	37	98	,	,	PUNCT
ajst-11369	37	99	and	and	CCONJ
ajst-11369	37	100	the	the	DET
ajst-11369	37	101	interaction	interaction	NOUN
ajst-11369	37	102	force	force	NOUN
ajst-11369	37	103	between	between	ADP
ajst-11369	37	104	the	the	DET
ajst-11369	37	105	jaws	jaw	NOUN
ajst-11369	37	106	of	of	ADP
ajst-11369	37	107	the	the	DET
ajst-11369	37	108	punching	punching	NOUN
ajst-11369	37	109	clamp	clamp	NOUN
ajst-11369	37	110	and	and	CCONJ
ajst-11369	37	111	drilling	drilling	NOUN
ajst-11369	37	112	tool	tool	NOUN
ajst-11369	37	113	is	be	AUX
ajst-11369	37	114	shown	show	VERB
ajst-11369	37	115	in	in	ADP
ajst-11369	37	116	fig	fig	NOUN
ajst-11369	37	117	.	.	PUNCT
ajst-11369	38	1	1	1	X
ajst-11369	38	2	.	.	X
ajst-11369	38	3	the	the	DET
ajst-11369	38	4	interaction	interaction	NOUN
ajst-11369	38	5	between	between	ADP
ajst-11369	38	6	the	the	DET
ajst-11369	38	7	jaws	jaw	NOUN
ajst-11369	38	8	of	of	ADP
ajst-11369	38	9	the	the	DET
ajst-11369	38	10	punching	punching	NOUN
ajst-11369	38	11	jaw	jaw	NOUN
ajst-11369	38	12	and	and	CCONJ
ajst-11369	38	13	the	the	DET
ajst-11369	38	14	drilling	drilling	NOUN
ajst-11369	38	15	tool	tool	NOUN
ajst-11369	38	16	is	be	AUX
ajst-11369	38	17	shown	show	VERB
ajst-11369	38	18	in	in	ADP
ajst-11369	38	19	fig	fig	NOUN
ajst-11369	38	20	.	.	PUNCT
ajst-11369	39	1	1	1	X
ajst-11369	39	2	.	.	PUNCT
ajst-11369	40	1	the	the	DET
ajst-11369	40	2	calculation	calculation	NOUN
ajst-11369	40	3	formula	formula	NOUN
ajst-11369	40	4	for	for	ADP
ajst-11369	40	5	the	the	DET
ajst-11369	40	6	buckling	buckle	VERB
ajst-11369	40	7	torque	torque	NOUN
ajst-11369	40	8	is	be	AUX
ajst-11369	40	9	:	:	PUNCT
ajst-11369	40	10	4	4	NUM
ajst-11369	40	11	t	t	NOUN
ajst-11369	40	12	ff	ff	X
ajst-11369	40	13	r	r	NOUN
ajst-11369	40	14			PROPN
ajst-11369	40	15	(	(	PUNCT
ajst-11369	40	16	1	1	NUM
ajst-11369	40	17	)	)	PUNCT
ajst-11369	40	18	formula	formula	NOUN
ajst-11369	40	19	:	:	PUNCT
ajst-11369	40	20	ff	ff	X
ajst-11369	40	21	—	—	PUNCT
ajst-11369	40	22	—	—	PUNCT
ajst-11369	40	23	force	force	NOUN
ajst-11369	40	24	of	of	ADP
ajst-11369	40	25	friction	friction	NOUN
ajst-11369	40	26	;	;	PUNCT
ajst-11369	40	27	r	r	X
ajst-11369	40	28	——	——	PUNCT
ajst-11369	40	29	radius	radius	NOUN
ajst-11369	40	30	of	of	ADP
ajst-11369	40	31	drilling	drilling	NOUN
ajst-11369	40	32	tool	tool	NOUN
ajst-11369	40	33	joint	joint	NOUN
ajst-11369	40	34	;	;	PUNCT
ajst-11369	40	35	however	however	ADV
ajst-11369	40	36	,	,	PUNCT
ajst-11369	40	37	the	the	DET
ajst-11369	40	38	friction	friction	NOUN
ajst-11369	40	39	force	force	NOUN
ajst-11369	40	40	is	be	AUX
ajst-11369	40	41	equal	equal	ADJ
ajst-11369	40	42	to	to	ADP
ajst-11369	40	43	the	the	DET
ajst-11369	40	44	product	product	NOUN
ajst-11369	40	45	of	of	ADP
ajst-11369	40	46	the	the	DET
ajst-11369	40	47	positive	positive	ADJ
ajst-11369	40	48	pressure	pressure	NOUN
ajst-11369	40	49	and	and	CCONJ
ajst-11369	40	50	the	the	DET
ajst-11369	40	51	coefficient	coefficient	NOUN
ajst-11369	40	52	of	of	ADP
ajst-11369	40	53	friction	friction	NOUN
ajst-11369	40	54	,	,	PUNCT
ajst-11369	40	55	calculated	calculate	VERB
ajst-11369	40	56	as	as	SCONJ
ajst-11369	40	57	follows	follow	VERB
ajst-11369	40	58	:	:	PUNCT
ajst-11369	40	59	nff	nff	PROPN
ajst-11369	40	60	f	f	PROPN
ajst-11369	40	61	(	(	PUNCT
ajst-11369	40	62	2	2	NUM
ajst-11369	40	63	)	)	PUNCT
ajst-11369	40	64	formula	formula	NOUN
ajst-11369	40	65	,	,	PUNCT
ajst-11369	40	66			NOUN
ajst-11369	40	67	—	—	PUNCT
ajst-11369	40	68	—	—	PUNCT
ajst-11369	40	69	coefficient	coefficient	NOUN
ajst-11369	40	70	of	of	ADP
ajst-11369	40	71	friction	friction	NOUN
ajst-11369	40	72	;	;	PUNCT
ajst-11369	40	73	nf	nf	X
ajst-11369	40	74	—	—	PUNCT
ajst-11369	40	75	—	—	PUNCT
ajst-11369	40	76	positive	positive	ADJ
ajst-11369	40	77	pressure	pressure	NOUN
ajst-11369	40	78	;	;	PUNCT
ajst-11369	40	79	figure	figure	NOUN
ajst-11369	40	80	1	1	NUM
ajst-11369	40	81	.	.	PUNCT
ajst-11369	40	82	schematic	schematic	ADJ
ajst-11369	40	83	diagram	diagram	NOUN
ajst-11369	40	84	of	of	ADP
ajst-11369	40	85	the	the	DET
ajst-11369	40	86	force	force	NOUN
ajst-11369	40	87	on	on	ADP
ajst-11369	40	88	the	the	DET
ajst-11369	40	89	punch	punch	NOUN
ajst-11369	40	90	clamp	clamp	NOUN
ajst-11369	40	91	for	for	ADP
ajst-11369	40	92	the	the	DET
ajst-11369	40	93	finite	finite	PROPN
ajst-11369	40	94	element	element	NOUN
ajst-11369	40	95	model	model	NOUN
ajst-11369	40	96	of	of	ADP
ajst-11369	40	97	the	the	DET
ajst-11369	40	98	drill	drill	NOUN
ajst-11369	40	99	pipe	pipe	NOUN
ajst-11369	40	100	,	,	PUNCT
ajst-11369	40	101	it	it	PRON
ajst-11369	40	102	is	be	AUX
ajst-11369	40	103	assumed	assume	VERB
ajst-11369	40	104	that	that	SCONJ
ajst-11369	40	105	there	there	PRON
ajst-11369	40	106	is	be	VERB
ajst-11369	40	107	no	no	DET
ajst-11369	40	108	ellipticity	ellipticity	NOUN
ajst-11369	40	109	and	and	CCONJ
ajst-11369	40	110	wall	wall	NOUN
ajst-11369	40	111	thickness	thickness	PROPN
ajst-11369	40	112	error	error	NOUN
ajst-11369	40	113	,	,	PUNCT
ajst-11369	40	114	and	and	CCONJ
ajst-11369	40	115	the	the	DET
ajst-11369	40	116	material	material	NOUN
ajst-11369	40	117	is	be	AUX
ajst-11369	40	118	isotropic	isotropic	ADJ
ajst-11369	40	119	.	.	PUNCT
ajst-11369	41	1	this	this	DET
ajst-11369	41	2	paper	paper	NOUN
ajst-11369	41	3	uses	use	VERB
ajst-11369	41	4	solidworks	solidworks	PROPN
ajst-11369	41	5	threedimensional	threedimensional	ADJ
ajst-11369	41	6	drawing	drawing	NOUN
ajst-11369	41	7	software	software	NOUN
ajst-11369	41	8	to	to	PART
ajst-11369	41	9	establish	establish	VERB
ajst-11369	41	10	the	the	DET
ajst-11369	41	11	punch	punch	NOUN
ajst-11369	41	12	button	button	NOUN
ajst-11369	41	13	pliers	plier	NOUN
ajst-11369	41	14	on	on	ADP
ajst-11369	41	15	the	the	DET
ajst-11369	41	16	buckle	buckle	NOUN
ajst-11369	41	17	model	model	NOUN
ajst-11369	41	18	in	in	ADP
ajst-11369	41	19	figure	figure	NOUN
ajst-11369	41	20	2.in	2.in	NUM
ajst-11369	41	21	the	the	DET
ajst-11369	41	22	process	process	NOUN
ajst-11369	41	23	of	of	ADP
ajst-11369	41	24	buckling	buckling	NOUN
ajst-11369	41	25	,	,	PUNCT
ajst-11369	41	26	the	the	DET
ajst-11369	41	27	interaction	interaction	NOUN
ajst-11369	41	28	between	between	ADP
ajst-11369	41	29	the	the	DET
ajst-11369	41	30	jaws	jaw	NOUN
ajst-11369	41	31	and	and	CCONJ
ajst-11369	41	32	the	the	DET
ajst-11369	41	33	drill	drill	NOUN
ajst-11369	41	34	pipe	pipe	NOUN
ajst-11369	41	35	belongs	belong	VERB
ajst-11369	41	36	to	to	ADP
ajst-11369	41	37	a	a	DET
ajst-11369	41	38	highly	highly	ADV
ajst-11369	41	39	complex	complex	ADJ
ajst-11369	41	40	nonlinear	nonlinear	ADJ
ajst-11369	41	41	contact	contact	NOUN
ajst-11369	41	42	problem	problem	NOUN
ajst-11369	41	43	,	,	PUNCT
ajst-11369	41	44	and	and	CCONJ
ajst-11369	41	45	it	it	PRON
ajst-11369	41	46	is	be	AUX
ajst-11369	41	47	difficult	difficult	ADJ
ajst-11369	41	48	to	to	PART
ajst-11369	41	49	experimentally	experimentally	ADV
ajst-11369	41	50	test	test	VERB
ajst-11369	41	51	the	the	DET
ajst-11369	41	52	stress	stress	NOUN
ajst-11369	41	53	distribution	distribution	NOUN
ajst-11369	41	54	of	of	ADP
ajst-11369	41	55	the	the	DET
ajst-11369	41	56	drill	drill	NOUN
ajst-11369	41	57	pipe	pipe	NOUN
ajst-11369	41	58	,	,	PUNCT
ajst-11369	41	59	and	and	CCONJ
ajst-11369	41	60	the	the	DET
ajst-11369	41	61	use	use	NOUN
ajst-11369	41	62	of	of	ADP
ajst-11369	41	63	the	the	DET
ajst-11369	41	64	finite	finite	PROPN
ajst-11369	41	65	element	element	NOUN
ajst-11369	41	66	method	method	NOUN
ajst-11369	41	67	can	can	AUX
ajst-11369	41	68	be	be	AUX
ajst-11369	41	69	efficiently	efficiently	ADV
ajst-11369	41	70	and	and	CCONJ
ajst-11369	41	71	clearly	clearly	ADV
ajst-11369	41	72	simulate	simulate	VERB
ajst-11369	41	73	the	the	DET
ajst-11369	41	74	process	process	NOUN
ajst-11369	41	75	of	of	ADP
ajst-11369	41	76	punching	punching	NOUN
ajst-11369	41	77	button	button	NOUN
ajst-11369	41	78	pliers	plier	NOUN
ajst-11369	41	79	on	on	ADP
ajst-11369	41	80	the	the	DET
ajst-11369	41	81	buckle	buckle	NOUN
ajst-11369	41	82	.	.	PUNCT
ajst-11369	42	1	therefore	therefore	ADV
ajst-11369	42	2	,	,	PUNCT
ajst-11369	42	3	this	this	DET
ajst-11369	42	4	paper	paper	NOUN
ajst-11369	42	5	utilizes	utilize	VERB
ajst-11369	42	6	the	the	DET
ajst-11369	42	7	static	static	ADJ
ajst-11369	42	8	mechanics	mechanic	NOUN
ajst-11369	42	9	module	module	NOUN
ajst-11369	42	10	of	of	ADP
ajst-11369	42	11	abaqus	abaqus	PROPN
ajst-11369	42	12	software	software	NOUN
ajst-11369	42	13	for	for	ADP
ajst-11369	42	14	simulation	simulation	NOUN
ajst-11369	42	15	.	.	PUNCT
ajst-11369	43	1	considering	consider	VERB
ajst-11369	43	2	the	the	DET
ajst-11369	43	3	computational	computational	ADJ
ajst-11369	43	4	capacity	capacity	NOUN
ajst-11369	43	5	of	of	ADP
ajst-11369	43	6	the	the	DET
ajst-11369	43	7	computer	computer	NOUN
ajst-11369	43	8	for	for	ADP
ajst-11369	43	9	model	model	NOUN
ajst-11369	43	10	simplification	simplification	NOUN
ajst-11369	43	11	,	,	PUNCT
ajst-11369	43	12	only	only	ADV
ajst-11369	43	13	the	the	DET
ajst-11369	43	14	joint	joint	ADJ
ajst-11369	43	15	clamping	clamp	VERB
ajst-11369	43	16	part	part	NOUN
ajst-11369	43	17	of	of	ADP
ajst-11369	43	18	the	the	DET
ajst-11369	43	19	drilling	drilling	NOUN
ajst-11369	43	20	tool	tool	NOUN
ajst-11369	43	21	is	be	AUX
ajst-11369	43	22	retained	retain	VERB
ajst-11369	43	23	in	in	ADP
ajst-11369	43	24	the	the	DET
ajst-11369	43	25	simulation	simulation	NOUN
ajst-11369	43	26	calculation	calculation	NOUN
ajst-11369	43	27	,	,	PUNCT
ajst-11369	43	28	and	and	CCONJ
ajst-11369	43	29	the	the	DET
ajst-11369	43	30	threaded	threaded	ADJ
ajst-11369	43	31	part	part	NOUN
ajst-11369	43	32	of	of	ADP
ajst-11369	43	33	the	the	DET
ajst-11369	43	34	joint	joint	NOUN
ajst-11369	43	35	and	and	CCONJ
ajst-11369	43	36	the	the	DET
ajst-11369	43	37	casing	casing	NOUN
ajst-11369	43	38	are	be	AUX
ajst-11369	43	39	omitted	omit	VERB
ajst-11369	43	40	.	.	PUNCT
ajst-11369	44	1	figure	figure	NOUN
ajst-11369	44	2	2	2	NUM
ajst-11369	44	3	.	.	X
ajst-11369	44	4	punch	punch	VERB
ajst-11369	44	5	and	and	CCONJ
ajst-11369	44	6	buckle	buckle	NOUN
ajst-11369	44	7	pliers	plier	NOUN
ajst-11369	44	8	3d	3d	X
ajst-11369	44	9	upper	upper	ADJ
ajst-11369	44	10	buckle	buckle	NOUN
ajst-11369	44	11	model	model	NOUN
ajst-11369	44	12	the	the	DET
ajst-11369	44	13	distribution	distribution	NOUN
ajst-11369	44	14	of	of	ADP
ajst-11369	44	15	pincer	pincer	NOUN
ajst-11369	44	16	teeth	tooth	NOUN
ajst-11369	44	17	in	in	ADP
ajst-11369	44	18	the	the	DET
ajst-11369	44	19	circumferential	circumferential	ADJ
ajst-11369	44	20	direction	direction	NOUN
ajst-11369	44	21	of	of	ADP
ajst-11369	44	22	the	the	DET
ajst-11369	44	23	drilling	drilling	NOUN
ajst-11369	44	24	tool	tool	NOUN
ajst-11369	44	25	joint	joint	NOUN
ajst-11369	44	26	is	be	AUX
ajst-11369	44	27	shown	show	VERB
ajst-11369	44	28	in	in	ADP
ajst-11369	44	29	figure	figure	NOUN
ajst-11369	44	30	3	3	NUM
ajst-11369	44	31	.	.	PUNCT
ajst-11369	45	1	the	the	DET
ajst-11369	45	2	process	process	NOUN
ajst-11369	45	3	of	of	ADP
ajst-11369	45	4	iron	iron	NOUN
ajst-11369	45	5	driller	driller	NOUN
ajst-11369	45	6	punching	punching	NOUN
ajst-11369	45	7	buckle	buckle	NOUN
ajst-11369	45	8	is	be	AUX
ajst-11369	45	9	mainly	mainly	ADV
ajst-11369	45	10	driven	drive	VERB
ajst-11369	45	11	by	by	ADP
ajst-11369	45	12	four	four	NUM
ajst-11369	45	13	clamping	clamp	VERB
ajst-11369	45	14	teeth	tooth	NOUN
ajst-11369	45	15	to	to	PART
ajst-11369	45	16	buckle	buckle	VERB
ajst-11369	45	17	the	the	DET
ajst-11369	45	18	drill	drill	NOUN
ajst-11369	45	19	pipe	pipe	NOUN
ajst-11369	45	20	,	,	PUNCT
ajst-11369	45	21	the	the	DET
ajst-11369	45	22	clamping	clamp	VERB
ajst-11369	45	23	teeth	tooth	NOUN
ajst-11369	45	24	are	be	AUX
ajst-11369	45	25	located	locate	VERB
ajst-11369	45	26	on	on	ADP
ajst-11369	45	27	the	the	DET
ajst-11369	45	28	outer	outer	ADJ
ajst-11369	45	29	wall	wall	NOUN
ajst-11369	45	30	of	of	ADP
ajst-11369	45	31	the	the	DET
ajst-11369	45	32	drill	drill	NOUN
ajst-11369	45	33	pipe	pipe	NOUN
ajst-11369	45	34	joint	joint	NOUN
ajst-11369	45	35	,	,	PUNCT
ajst-11369	45	36	and	and	CCONJ
ajst-11369	45	37	the	the	DET
ajst-11369	45	38	edge	edge	NOUN
ajst-11369	45	39	line	line	NOUN
ajst-11369	45	40	of	of	ADP
ajst-11369	45	41	the	the	DET
ajst-11369	45	42	clamping	clamp	VERB
ajst-11369	45	43	teeth	tooth	NOUN
ajst-11369	45	44	is	be	AUX
ajst-11369	45	45	coaxial	coaxial	ADJ
ajst-11369	45	46	with	with	ADP
ajst-11369	45	47	the	the	DET
ajst-11369	45	48	drill	drill	NOUN
ajst-11369	45	49	pipe	pipe	NOUN
ajst-11369	45	50	.	.	PUNCT
ajst-11369	46	1	through	through	ADP
ajst-11369	46	2	the	the	DET
ajst-11369	46	3	clamping	clamp	VERB
ajst-11369	46	4	force	force	NOUN
ajst-11369	46	5	exerted	exert	VERB
ajst-11369	46	6	by	by	ADP
ajst-11369	46	7	the	the	DET
ajst-11369	46	8	clamping	clamp	VERB
ajst-11369	46	9	teeth	tooth	NOUN
ajst-11369	46	10	to	to	PART
ajst-11369	46	11	drive	drive	VERB
ajst-11369	46	12	the	the	DET
ajst-11369	46	13	drill	drill	NOUN
ajst-11369	46	14	pipe	pipe	NOUN
ajst-11369	46	15	clockwise	clockwise	NOUN
ajst-11369	46	16	rotation	rotation	NOUN
ajst-11369	46	17	to	to	PART
ajst-11369	46	18	realize	realize	VERB
ajst-11369	46	19	the	the	DET
ajst-11369	46	20	upper	upper	ADJ
ajst-11369	46	21	buckle	buckle	NOUN
ajst-11369	46	22	process	process	NOUN
ajst-11369	46	23	.	.	PUNCT
ajst-11369	47	1	the	the	DET
ajst-11369	47	2	diameter	diameter	NOUN
ajst-11369	47	3	of	of	ADP
ajst-11369	47	4	the	the	DET
ajst-11369	47	5	clamping	clamp	VERB
ajst-11369	47	6	teeth	tooth	NOUN
ajst-11369	47	7	is	be	AUX
ajst-11369	47	8	d1=45	d1=45	PROPN
ajst-11369	47	9	mm	mm	PROPN
ajst-11369	47	10	,	,	PUNCT
ajst-11369	47	11	and	and	CCONJ
ajst-11369	47	12	the	the	DET
ajst-11369	47	13	interval	interval	NOUN
ajst-11369	47	14	between	between	ADP
ajst-11369	47	15	the	the	DET
ajst-11369	47	16	centers	center	NOUN
ajst-11369	47	17	of	of	ADP
ajst-11369	47	18	the	the	DET
ajst-11369	47	19	two	two	NUM
ajst-11369	47	20	clamping	clamp	VERB
ajst-11369	47	21	teeth	tooth	NOUN
ajst-11369	47	22	is	be	AUX
ajst-11369	47	23	l=110	l=110	NOUN
ajst-11369	47	24	mm	mm	NOUN
ajst-11369	47	25	;	;	PUNCT
ajst-11369	47	26	the	the	DET
ajst-11369	47	27	outer	outer	ADJ
ajst-11369	47	28	diameter	diameter	NOUN
ajst-11369	47	29	of	of	ADP
ajst-11369	47	30	the	the	DET
ajst-11369	47	31	joint	joint	NOUN
ajst-11369	47	32	of	of	ADP
ajst-11369	47	33	the	the	DET
ajst-11369	47	34	drill	drill	NOUN
ajst-11369	47	35	pipe	pipe	NOUN
ajst-11369	47	36	is	be	AUX
ajst-11369	47	37	d2=177.8	d2=177.8	NOUN
ajst-11369	47	38	mm	mm	NOUN
ajst-11369	47	39	,	,	PUNCT
ajst-11369	47	40	and	and	CCONJ
ajst-11369	47	41	the	the	DET
ajst-11369	47	42	inner	inner	ADJ
ajst-11369	47	43	diameter	diameter	NOUN
ajst-11369	47	44	is	be	AUX
ajst-11369	47	45	d=101.6	d=101.6	PROPN
ajst-11369	47	46	mm	mm	PROPN
ajst-11369	47	47	;	;	PUNCT
ajst-11369	47	48	the	the	DET
ajst-11369	47	49	drill	drill	NOUN
ajst-11369	47	50	pipe	pipe	NOUN
ajst-11369	47	51	selected	select	VERB
ajst-11369	47	52	for	for	ADP
ajst-11369	47	53	the	the	DET
ajst-11369	47	54	simulation	simulation	NOUN
ajst-11369	47	55	calculation	calculation	NOUN
ajst-11369	47	56	is	be	AUX
ajst-11369	47	57	grade	grade	NOUN
ajst-11369	47	58	e	e	NOUN
ajst-11369	47	59	steel	steel	NOUN
ajst-11369	47	60	,	,	PUNCT
ajst-11369	47	61	the	the	DET
ajst-11369	47	62	drill	drill	NOUN
ajst-11369	47	63	pipe	pipe	NOUN
ajst-11369	47	64	is	be	AUX
ajst-11369	47	65	inner	inner	ADJ
ajst-11369	47	66	and	and	CCONJ
ajst-11369	47	67	outer	outer	ADJ
ajst-11369	47	68	thickened	thicken	VERB
ajst-11369	47	69	,	,	PUNCT
ajst-11369	47	70	and	and	CCONJ
ajst-11369	47	71	the	the	DET
ajst-11369	47	72	rotary	rotary	ADJ
ajst-11369	47	73	shoulder	shoulder	NOUN
ajst-11369	47	74	connection	connection	NOUN
ajst-11369	47	75	type	type	NOUN
ajst-11369	47	76	is	be	AUX
ajst-11369	47	77	5	5	NUM
ajst-11369	47	78	1/2fh	1/2fh	NUM
ajst-11369	47	79	.	.	PUNCT
ajst-11369	48	1	202	202	NUM
ajst-11369	48	2	figure	figure	NOUN
ajst-11369	48	3	3	3	NUM
ajst-11369	48	4	.	.	PUNCT
ajst-11369	48	5	schematic	schematic	ADJ
ajst-11369	48	6	distribution	distribution	NOUN
ajst-11369	48	7	of	of	ADP
ajst-11369	48	8	clamp	clamp	ADJ
ajst-11369	48	9	tooth	tooth	NOUN
ajst-11369	48	10	positions	position	NOUN
ajst-11369	48	11	the	the	DET
ajst-11369	48	12	buckling	buckle	VERB
ajst-11369	48	13	process	process	NOUN
ajst-11369	48	14	of	of	ADP
ajst-11369	48	15	the	the	DET
ajst-11369	48	16	punch	punch	NOUN
ajst-11369	48	17	-	-	PUNCT
ajst-11369	48	18	buckling	buckle	VERB
ajst-11369	48	19	clamp	clamp	NOUN
ajst-11369	48	20	belongs	belong	VERB
ajst-11369	48	21	to	to	ADP
ajst-11369	48	22	the	the	DET
ajst-11369	48	23	nonlinear	nonlinear	ADJ
ajst-11369	48	24	contact	contact	NOUN
ajst-11369	48	25	problem	problem	NOUN
ajst-11369	48	26	,	,	PUNCT
ajst-11369	48	27	and	and	CCONJ
ajst-11369	48	28	the	the	DET
ajst-11369	48	29	buckling	buckling	NOUN
ajst-11369	48	30	is	be	AUX
ajst-11369	48	31	accomplished	accomplish	VERB
ajst-11369	48	32	by	by	ADP
ajst-11369	48	33	the	the	DET
ajst-11369	48	34	rotation	rotation	NOUN
ajst-11369	48	35	of	of	ADP
ajst-11369	48	36	the	the	DET
ajst-11369	48	37	jaws	jaw	NOUN
ajst-11369	48	38	to	to	PART
ajst-11369	48	39	drive	drive	VERB
ajst-11369	48	40	the	the	DET
ajst-11369	48	41	drill	drill	NOUN
ajst-11369	48	42	pipe	pipe	NOUN
ajst-11369	48	43	.	.	PUNCT
ajst-11369	49	1	because	because	SCONJ
ajst-11369	49	2	the	the	DET
ajst-11369	49	3	jaws	jaw	NOUN
ajst-11369	49	4	are	be	AUX
ajst-11369	49	5	much	much	ADV
ajst-11369	49	6	stiffer	stiff	ADJ
ajst-11369	49	7	than	than	ADP
ajst-11369	49	8	the	the	DET
ajst-11369	49	9	drill	drill	NOUN
ajst-11369	49	10	pipe	pipe	NOUN
ajst-11369	49	11	,	,	PUNCT
ajst-11369	49	12	when	when	SCONJ
ajst-11369	49	13	the	the	DET
ajst-11369	49	14	drill	drill	NOUN
ajst-11369	49	15	pipe	pipe	NOUN
ajst-11369	49	16	is	be	AUX
ajst-11369	49	17	deformed	deform	VERB
ajst-11369	49	18	,	,	PUNCT
ajst-11369	49	19	the	the	DET
ajst-11369	49	20	jaws	jaw	NOUN
ajst-11369	49	21	have	have	VERB
ajst-11369	49	22	almost	almost	ADV
ajst-11369	49	23	no	no	PRON
ajst-11369	49	24	deformation	deformation	NOUN
ajst-11369	49	25	.	.	PUNCT
ajst-11369	50	1	in	in	ADP
ajst-11369	50	2	the	the	DET
ajst-11369	50	3	finite	finite	PROPN
ajst-11369	50	4	element	element	NOUN
ajst-11369	50	5	model	model	NOUN
ajst-11369	50	6	of	of	ADP
ajst-11369	50	7	this	this	DET
ajst-11369	50	8	paper	paper	NOUN
ajst-11369	50	9	,	,	PUNCT
ajst-11369	50	10	the	the	DET
ajst-11369	50	11	joint	joint	NOUN
ajst-11369	50	12	of	of	ADP
ajst-11369	50	13	the	the	DET
ajst-11369	50	14	drill	drill	NOUN
ajst-11369	50	15	pipe	pipe	NOUN
ajst-11369	50	16	is	be	AUX
ajst-11369	50	17	set	set	VERB
ajst-11369	50	18	to	to	PART
ajst-11369	50	19	be	be	AUX
ajst-11369	50	20	a	a	DET
ajst-11369	50	21	flexible	flexible	ADJ
ajst-11369	50	22	body	body	NOUN
ajst-11369	50	23	,	,	PUNCT
ajst-11369	50	24	the	the	DET
ajst-11369	50	25	jaws	jaw	NOUN
ajst-11369	50	26	are	be	AUX
ajst-11369	50	27	set	set	VERB
ajst-11369	50	28	to	to	PART
ajst-11369	50	29	be	be	AUX
ajst-11369	50	30	a	a	DET
ajst-11369	50	31	rigid	rigid	ADJ
ajst-11369	50	32	body	body	NOUN
ajst-11369	50	33	,	,	PUNCT
ajst-11369	50	34	and	and	CCONJ
ajst-11369	50	35	the	the	DET
ajst-11369	50	36	contact	contact	NOUN
ajst-11369	50	37	mode	mode	NOUN
ajst-11369	50	38	is	be	AUX
ajst-11369	50	39	set	set	VERB
ajst-11369	50	40	to	to	PART
ajst-11369	50	41	be	be	AUX
ajst-11369	50	42	the	the	DET
ajst-11369	50	43	face	face	NOUN
ajst-11369	50	44	-	-	PUNCT
ajst-11369	50	45	to	to	ADP
ajst-11369	50	46	-	-	PUNCT
ajst-11369	50	47	face	face	NOUN
ajst-11369	50	48	contact	contact	NOUN
ajst-11369	50	49	between	between	ADP
ajst-11369	50	50	the	the	DET
ajst-11369	50	51	rigid	rigid	ADJ
ajst-11369	50	52	body	body	NOUN
ajst-11369	50	53	and	and	CCONJ
ajst-11369	50	54	the	the	DET
ajst-11369	50	55	flexible	flexible	ADJ
ajst-11369	50	56	body	body	NOUN
ajst-11369	50	57	.	.	PUNCT
ajst-11369	51	1	the	the	DET
ajst-11369	51	2	material	material	ADJ
ajst-11369	51	3	parameters	parameter	NOUN
ajst-11369	51	4	of	of	ADP
ajst-11369	51	5	the	the	DET
ajst-11369	51	6	drill	drill	NOUN
ajst-11369	51	7	pipe	pipe	NOUN
ajst-11369	51	8	joint	joint	NOUN
ajst-11369	51	9	are	be	AUX
ajst-11369	51	10	shown	show	VERB
ajst-11369	51	11	in	in	ADP
ajst-11369	51	12	table	table	NOUN
ajst-11369	51	13	1	1	NUM
ajst-11369	51	14	,	,	PUNCT
ajst-11369	51	15	and	and	CCONJ
ajst-11369	51	16	the	the	DET
ajst-11369	51	17	material	material	NOUN
ajst-11369	51	18	parameters	parameter	NOUN
ajst-11369	51	19	of	of	ADP
ajst-11369	51	20	the	the	DET
ajst-11369	51	21	clamp	clamp	NOUN
ajst-11369	51	22	teeth	tooth	NOUN
ajst-11369	51	23	are	be	AUX
ajst-11369	51	24	shown	show	VERB
ajst-11369	51	25	in	in	ADP
ajst-11369	51	26	table	table	NOUN
ajst-11369	51	27	2	2	NUM
ajst-11369	51	28	.	.	PUNCT
ajst-11369	52	1	according	accord	VERB
ajst-11369	52	2	to	to	ADP
ajst-11369	52	3	the	the	DET
ajst-11369	52	4	actual	actual	ADJ
ajst-11369	52	5	production	production	NOUN
ajst-11369	52	6	of	of	ADP
ajst-11369	52	7	this	this	DET
ajst-11369	52	8	type	type	NOUN
ajst-11369	52	9	of	of	ADP
ajst-11369	52	10	iron	iron	NOUN
ajst-11369	52	11	driller	driller	NOUN
ajst-11369	52	12	,	,	PUNCT
ajst-11369	52	13	the	the	DET
ajst-11369	52	14	friction	friction	NOUN
ajst-11369	52	15	coefficient	coefficient	NOUN
ajst-11369	52	16	is	be	AUX
ajst-11369	52	17	0.15	0.15	NUM
ajst-11369	52	18	,	,	PUNCT
ajst-11369	52	19	so	so	ADV
ajst-11369	52	20	the	the	DET
ajst-11369	52	21	friction	friction	NOUN
ajst-11369	52	22	coefficient	coefficient	NOUN
ajst-11369	52	23	of	of	ADP
ajst-11369	52	24	the	the	DET
ajst-11369	52	25	clamp	clamp	NOUN
ajst-11369	52	26	teeth	tooth	NOUN
ajst-11369	52	27	and	and	CCONJ
ajst-11369	52	28	the	the	DET
ajst-11369	52	29	drill	drill	NOUN
ajst-11369	52	30	pipe	pipe	NOUN
ajst-11369	52	31	joint	joint	NOUN
ajst-11369	52	32	is	be	AUX
ajst-11369	52	33	taken	take	VERB
ajst-11369	52	34	as	as	ADP
ajst-11369	52	35	0.15	0.15	NUM
ajst-11369	52	36	in	in	ADP
ajst-11369	52	37	this	this	DET
ajst-11369	52	38	paper	paper	NOUN
ajst-11369	52	39	.	.	PUNCT
ajst-11369	53	1	the	the	DET
ajst-11369	53	2	material	material	NOUN
ajst-11369	53	3	yield	yield	NOUN
ajst-11369	53	4	criterion	criterion	NOUN
ajst-11369	53	5	is	be	AUX
ajst-11369	53	6	the	the	DET
ajst-11369	53	7	von	von	PROPN
ajst-11369	53	8	-	-	PUNCT
ajst-11369	53	9	mises	mises	PROPN
ajst-11369	53	10	yield	yield	NOUN
ajst-11369	53	11	criterion	criterion	NOUN
ajst-11369	53	12	,	,	PUNCT
ajst-11369	53	13	calculated	calculate	VERB
ajst-11369	53	14	as	as	SCONJ
ajst-11369	53	15	follows	follow	VERB
ajst-11369	53	16	:	:	PUNCT
ajst-11369	53	17			NOUN
ajst-11369	53	18			SYM
ajst-11369	53	19			NOUN
ajst-11369	53	20			SYM
ajst-11369	53	21			NOUN
ajst-11369	53	22	2	2	ADJ
ajst-11369	53	23	2	2	NUM
ajst-11369	53	24	2	2	NUM
ajst-11369	53	25	1	1	NUM
ajst-11369	53	26	2	2	NUM
ajst-11369	53	27	2	2	NUM
ajst-11369	53	28	3	3	NUM
ajst-11369	53	29	3	3	NUM
ajst-11369	53	30	1	1	NUM
ajst-11369	53	31	1	1	NUM
ajst-11369	53	32	2s	2s	NUM
ajst-11369	53	33			X
ajst-11369	53	34			X
ajst-11369	53	35			X
ajst-11369	53	36			X
ajst-11369	53	37			PROPN
ajst-11369	53	38			PROPN
ajst-11369	53	39			PROPN
ajst-11369	53	40			PROPN
ajst-11369	53	41			VERB
ajst-11369	53	42			PROPN
ajst-11369	53	43			ADV
ajst-11369	53	44			NOUN
ajst-11369	53	45			PROPN
ajst-11369	53	46	(	(	PUNCT
ajst-11369	53	47	3	3	NUM
ajst-11369	53	48	)	)	PUNCT
ajst-11369	53	49	formula	formula	NOUN
ajst-11369	53	50	:	:	PUNCT
ajst-11369	53	51	1	1	NUM
ajst-11369	53	52	,	,	PUNCT
ajst-11369	53	53	2	2	NUM
ajst-11369	53	54	,	,	PUNCT
ajst-11369	53	55	3	3	NUM
ajst-11369	53	56	represents	represent	VERB
ajst-11369	53	57	the	the	DET
ajst-11369	53	58	first	first	ADJ
ajst-11369	53	59	,	,	PUNCT
ajst-11369	53	60	second	second	ADJ
ajst-11369	53	61	and	and	CCONJ
ajst-11369	53	62	third	third	ADJ
ajst-11369	53	63	principal	principal	NOUN
ajst-11369	53	64	stresses	stress	VERB
ajst-11369	53	65	respectively	respectively	ADV
ajst-11369	53	66	,	,	PUNCT
ajst-11369	53	67	and	and	CCONJ
ajst-11369	53	68	is	be	AUX
ajst-11369	53	69	the	the	DET
ajst-11369	53	70	yield	yield	NOUN
ajst-11369	53	71	strength	strength	NOUN
ajst-11369	53	72	limit	limit	NOUN
ajst-11369	53	73	of	of	ADP
ajst-11369	53	74	the	the	DET
ajst-11369	53	75	material	material	NOUN
ajst-11369	53	76	.	.	PUNCT
ajst-11369	54	1	table	table	NOUN
ajst-11369	54	2	1	1	NUM
ajst-11369	54	3	.	.	PUNCT
ajst-11369	54	4	material	material	NOUN
ajst-11369	54	5	parameters	parameter	NOUN
ajst-11369	54	6	of	of	ADP
ajst-11369	54	7	drill	drill	NOUN
ajst-11369	54	8	pipe	pipe	NOUN
ajst-11369	54	9	joints	joint	NOUN
ajst-11369	54	10	parameters	parameter	NOUN
ajst-11369	54	11	yield	yield	VERB
ajst-11369	54	12	strength	strength	NOUN
ajst-11369	54	13	/mpa	/mpa	PUNCT
ajst-11369	54	14	tensile	tensile	NOUN
ajst-11369	54	15	strength	strength	NOUN
ajst-11369	54	16	/mpa	/mpa	PUNCT
ajst-11369	54	17	elastic	elastic	ADJ
ajst-11369	54	18	modulus	modulus	NOUN
ajst-11369	54	19	/mpa	/mpa	PUNCT
ajst-11369	54	20	poisson	poisson	PROPN
ajst-11369	54	21	's	's	PART
ajst-11369	54	22	ratio	ratio	NOUN
ajst-11369	54	23	density	density	NOUN
ajst-11369	54	24	/kg	/kg	PUNCT
ajst-11369	54	25	/	/	SYM
ajst-11369	54	26	m3	m3	PROPN
ajst-11369	54	27	value	value	NOUN
ajst-11369	54	28	517	517	NUM
ajst-11369	54	29	689	689	NUM
ajst-11369	54	30	2e5	2e5	NUM
ajst-11369	54	31	0.3	0.3	NUM
ajst-11369	54	32	7850	7850	NUM
ajst-11369	54	33	table	table	NOUN
ajst-11369	54	34	2	2	NUM
ajst-11369	54	35	.	.	PUNCT
ajst-11369	54	36	parameters	parameter	NOUN
ajst-11369	54	37	of	of	ADP
ajst-11369	54	38	clamping	clamp	VERB
ajst-11369	54	39	material	material	NOUN
ajst-11369	54	40	parameters	parameter	NOUN
ajst-11369	54	41	yield	yield	VERB
ajst-11369	54	42	strength	strength	NOUN
ajst-11369	54	43	/mpa	/mpa	PUNCT
ajst-11369	54	44	tensile	tensile	NOUN
ajst-11369	54	45	strength	strength	NOUN
ajst-11369	54	46	/mpa	/mpa	PUNCT
ajst-11369	54	47	elastic	elastic	ADJ
ajst-11369	54	48	modulus	modulus	NOUN
ajst-11369	54	49	/mpa	/mpa	PUNCT
ajst-11369	54	50	poisson	poisson	PROPN
ajst-11369	54	51	's	's	PART
ajst-11369	54	52	ratio	ratio	NOUN
ajst-11369	54	53	density	density	NOUN
ajst-11369	54	54	/kg	/kg	SYM
ajst-11369	54	55	/	/	SYM
ajst-11369	54	56	m3	m3	PROPN
ajst-11369	54	57	value	value	NOUN
ajst-11369	54	58	835	835	NUM
ajst-11369	54	59	980	980	NUM
ajst-11369	54	60	2.08e5	2.08e5	NUM
ajst-11369	54	61	0.3	0.3	NUM
ajst-11369	54	62	7830	7830	NUM
ajst-11369	54	63	in	in	ADP
ajst-11369	54	64	the	the	DET
ajst-11369	54	65	three	three	NUM
ajst-11369	54	66	-	-	PUNCT
ajst-11369	54	67	dimensional	dimensional	ADJ
ajst-11369	54	68	finite	finite	ADJ
ajst-11369	54	69	element	element	NOUN
ajst-11369	54	70	model	model	NOUN
ajst-11369	54	71	of	of	ADP
ajst-11369	54	72	the	the	DET
ajst-11369	54	73	punch	punch	NOUN
ajst-11369	54	74	buckle	buckle	NOUN
ajst-11369	54	75	clamp	clamp	NOUN
ajst-11369	54	76	,	,	PUNCT
ajst-11369	54	77	the	the	DET
ajst-11369	54	78	drill	drill	NOUN
ajst-11369	54	79	pipe	pipe	NOUN
ajst-11369	54	80	joint	joint	NOUN
ajst-11369	54	81	is	be	AUX
ajst-11369	54	82	selected	select	VERB
ajst-11369	54	83	as	as	ADP
ajst-11369	54	84	c3d8r	c3d8r	NUM
ajst-11369	54	85	cell	cell	NOUN
ajst-11369	54	86	,	,	PUNCT
ajst-11369	54	87	hexahedral	hexahedral	ADJ
ajst-11369	54	88	,	,	PUNCT
ajst-11369	54	89	with	with	ADP
ajst-11369	54	90	a	a	DET
ajst-11369	54	91	total	total	NOUN
ajst-11369	54	92	of	of	ADP
ajst-11369	54	93	27880	27880	NUM
ajst-11369	54	94	cells	cell	NOUN
ajst-11369	54	95	;	;	PUNCT
ajst-11369	54	96	the	the	DET
ajst-11369	54	97	clamp	clamp	NOUN
ajst-11369	54	98	teeth	tooth	NOUN
ajst-11369	54	99	are	be	AUX
ajst-11369	54	100	selected	select	VERB
ajst-11369	54	101	as	as	ADP
ajst-11369	54	102	c3d10	c3d10	PROPN
ajst-11369	54	103	cell	cell	NOUN
ajst-11369	54	104	,	,	PUNCT
ajst-11369	54	105	tetrahedral	tetrahedral	ADJ
ajst-11369	54	106	,	,	PUNCT
ajst-11369	54	107	with	with	ADP
ajst-11369	54	108	a	a	DET
ajst-11369	54	109	total	total	NOUN
ajst-11369	54	110	of	of	ADP
ajst-11369	54	111	9906	9906	NUM
ajst-11369	54	112	cells	cell	NOUN
ajst-11369	54	113	.	.	PUNCT
ajst-11369	55	1	the	the	DET
ajst-11369	55	2	mesh	mesh	NOUN
ajst-11369	55	3	of	of	ADP
ajst-11369	55	4	the	the	DET
ajst-11369	55	5	3d	3d	PROPN
ajst-11369	55	6	finite	finite	PROPN
ajst-11369	55	7	element	element	NOUN
ajst-11369	55	8	model	model	NOUN
ajst-11369	55	9	of	of	ADP
ajst-11369	55	10	the	the	DET
ajst-11369	55	11	upper	upper	ADJ
ajst-11369	55	12	buckle	buckle	NOUN
ajst-11369	55	13	of	of	ADP
ajst-11369	55	14	the	the	DET
ajst-11369	55	15	punch	punch	NOUN
ajst-11369	55	16	clamp	clamp	NOUN
ajst-11369	55	17	is	be	AUX
ajst-11369	55	18	shown	show	VERB
ajst-11369	55	19	in	in	ADP
ajst-11369	55	20	figure	figure	NOUN
ajst-11369	55	21	4	4	NUM
ajst-11369	55	22	.	.	PUNCT
ajst-11369	56	1	the	the	DET
ajst-11369	56	2	boundary	boundary	ADJ
ajst-11369	56	3	conditions	condition	NOUN
ajst-11369	56	4	of	of	ADP
ajst-11369	56	5	the	the	DET
ajst-11369	56	6	punch	punch	NOUN
ajst-11369	56	7	buckle	buckle	NOUN
ajst-11369	56	8	pliers	plier	NOUN
ajst-11369	56	9	are	be	AUX
ajst-11369	56	10	set	set	VERB
ajst-11369	56	11	as	as	ADP
ajst-11369	56	12	in	in	ADP
ajst-11369	56	13	figure	figure	NOUN
ajst-11369	56	14	5	5	NUM
ajst-11369	56	15	.	.	PUNCT
ajst-11369	57	1	(	(	PUNCT
ajst-11369	57	2	a	a	X
ajst-11369	57	3	)	)	PUNCT
ajst-11369	57	4	pincer	pincer	NOUN
ajst-11369	57	5	tooth	tooth	NOUN
ajst-11369	57	6	mesh	mesh	NOUN
ajst-11369	57	7	(	(	PUNCT
ajst-11369	57	8	b	b	NOUN
ajst-11369	57	9	)	)	PUNCT
ajst-11369	57	10	drill	drill	NOUN
ajst-11369	57	11	pipe	pipe	NOUN
ajst-11369	57	12	joint	joint	ADJ
ajst-11369	57	13	grid	grid	NOUN
ajst-11369	57	14	figure	figure	NOUN
ajst-11369	57	15	4	4	NUM
ajst-11369	57	16	.	.	PUNCT
ajst-11369	58	1	mesh	mesh	NOUN
ajst-11369	58	2	of	of	ADP
ajst-11369	58	3	the	the	DET
ajst-11369	58	4	finite	finite	PROPN
ajst-11369	58	5	element	element	NOUN
ajst-11369	58	6	model	model	NOUN
ajst-11369	58	7	of	of	ADP
ajst-11369	58	8	the	the	DET
ajst-11369	58	9	punching	punching	NOUN
ajst-11369	58	10	buckle	buckle	NOUN
ajst-11369	58	11	clamp	clamp	NOUN
ajst-11369	58	12	203	203	NUM
ajst-11369	58	13	figure	figure	NOUN
ajst-11369	58	14	5	5	NUM
ajst-11369	58	15	.	.	PUNCT
ajst-11369	58	16	schematic	schematic	ADJ
ajst-11369	58	17	diagram	diagram	NOUN
ajst-11369	58	18	of	of	ADP
ajst-11369	58	19	the	the	DET
ajst-11369	58	20	boundary	boundary	ADJ
ajst-11369	58	21	condition	condition	NOUN
ajst-11369	58	22	of	of	ADP
ajst-11369	58	23	the	the	DET
ajst-11369	58	24	upper	upper	ADJ
ajst-11369	58	25	buckle	buckle	NOUN
ajst-11369	58	26	of	of	ADP
ajst-11369	58	27	the	the	DET
ajst-11369	58	28	punching	punching	NOUN
ajst-11369	58	29	buckle	buckle	NOUN
ajst-11369	58	30	clamp	clamp	NOUN
ajst-11369	58	31	3	3	NUM
ajst-11369	58	32	.	.	PUNCT
ajst-11369	58	33	stress	stress	NOUN
ajst-11369	58	34	analysis	analysis	NOUN
ajst-11369	58	35	of	of	ADP
ajst-11369	58	36	drill	drill	NOUN
ajst-11369	58	37	pipe	pipe	NOUN
ajst-11369	58	38	joints	joint	NOUN
ajst-11369	58	39	during	during	ADP
ajst-11369	58	40	buckling	buckling	NOUN
ajst-11369	58	41	of	of	ADP
ajst-11369	58	42	punching	punch	VERB
ajst-11369	58	43	jaws	jaw	NOUN
ajst-11369	58	44	3.1	3.1	NUM
ajst-11369	58	45	.	.	PUNCT
ajst-11369	59	1	stress	stress	ADJ
ajst-11369	59	2	distribution	distribution	NOUN
ajst-11369	59	3	of	of	ADP
ajst-11369	59	4	drill	drill	NOUN
ajst-11369	59	5	pipe	pipe	NOUN
ajst-11369	59	6	joint	joint	NOUN
ajst-11369	59	7	during	during	ADP
ajst-11369	59	8	loading	loading	NOUN
ajst-11369	59	9	of	of	ADP
ajst-11369	59	10	jaws	jaw	NOUN
ajst-11369	59	11	through	through	ADP
ajst-11369	59	12	reviewing	review	VERB
ajst-11369	59	13	the	the	DET
ajst-11369	59	14	literature	literature	NOUN
ajst-11369	60	1	,	,	PUNCT
ajst-11369	60	2	we	we	PRON
ajst-11369	60	3	know	know	VERB
ajst-11369	60	4	that	that	SCONJ
ajst-11369	60	5	tzg93/4140s1	tzg93/4140s1	NOUN
ajst-11369	60	6	iron	iron	NOUN
ajst-11369	60	7	driller	driller	NOUN
ajst-11369	60	8	,	,	PUNCT
ajst-11369	60	9	the	the	DET
ajst-11369	60	10	maximum	maximum	ADJ
ajst-11369	60	11	torque	torque	NOUN
ajst-11369	60	12	of	of	ADP
ajst-11369	60	13	the	the	DET
ajst-11369	60	14	upper	upper	ADJ
ajst-11369	60	15	buckle	buckle	NOUN
ajst-11369	60	16	is	be	AUX
ajst-11369	60	17	1000	1000	NUM
ajst-11369	60	18	000	000	NUM
ajst-11369	60	19	n.m	n.m	NOUN
ajst-11369	60	20	,	,	PUNCT
ajst-11369	60	21	the	the	DET
ajst-11369	60	22	thrust	thrust	NOUN
ajst-11369	60	23	of	of	ADP
ajst-11369	60	24	the	the	DET
ajst-11369	60	25	clamping	clamp	VERB
ajst-11369	60	26	hydraulic	hydraulic	ADJ
ajst-11369	60	27	cylinder	cylinder	NOUN
ajst-11369	60	28	is	be	AUX
ajst-11369	60	29	659	659	NUM
ajst-11369	60	30	400	400	NUM
ajst-11369	60	31	n	n	CCONJ
ajst-11369	60	32	,	,	PUNCT
ajst-11369	60	33	the	the	DET
ajst-11369	60	34	mechanical	mechanical	ADJ
ajst-11369	60	35	efficiency	efficiency	NOUN
ajst-11369	60	36	is	be	AUX
ajst-11369	60	37	generally	generally	ADV
ajst-11369	60	38	0.9	0.9	NUM
ajst-11369	60	39	∽	∽	NUM
ajst-11369	60	40	0.95	0.95	NUM
ajst-11369	60	41	,	,	PUNCT
ajst-11369	60	42	according	accord	VERB
ajst-11369	60	43	to	to	ADP
ajst-11369	60	44	the	the	DET
ajst-11369	60	45	actual	actual	ADJ
ajst-11369	60	46	working	work	VERB
ajst-11369	60	47	conditions	condition	NOUN
ajst-11369	60	48	,	,	PUNCT
ajst-11369	60	49	this	this	DET
ajst-11369	60	50	paper	paper	NOUN
ajst-11369	60	51	is	be	AUX
ajst-11369	60	52	taken	take	VERB
ajst-11369	60	53	as	as	ADP
ajst-11369	60	54	0.91	0.91	NUM
ajst-11369	60	55	for	for	ADP
ajst-11369	60	56	calculation	calculation	NOUN
ajst-11369	60	57	.	.	PUNCT
ajst-11369	61	1	therefore	therefore	ADV
ajst-11369	61	2	,	,	PUNCT
ajst-11369	61	3	the	the	DET
ajst-11369	61	4	simulation	simulation	NOUN
ajst-11369	61	5	is	be	AUX
ajst-11369	61	6	carried	carry	VERB
ajst-11369	61	7	out	out	ADP
ajst-11369	61	8	when	when	SCONJ
ajst-11369	61	9	the	the	DET
ajst-11369	61	10	clamping	clamp	VERB
ajst-11369	61	11	force	force	NOUN
ajst-11369	61	12	is	be	AUX
ajst-11369	61	13	600	600	NUM
ajst-11369	61	14	kn	kn	PROPN
ajst-11369	61	15	,	,	PUNCT
ajst-11369	61	16	the	the	DET
ajst-11369	61	17	clamp	clamp	NOUN
ajst-11369	61	18	teeth	tooth	NOUN
ajst-11369	61	19	are	be	AUX
ajst-11369	61	20	clamped	clamp	VERB
ajst-11369	61	21	and	and	CCONJ
ajst-11369	61	22	not	not	PART
ajst-11369	61	23	rotated	rotate	VERB
ajst-11369	61	24	when	when	SCONJ
ajst-11369	61	25	the	the	DET
ajst-11369	61	26	von	von	PROPN
ajst-11369	61	27	-	-	PUNCT
ajst-11369	61	28	mises	mises	PROPN
ajst-11369	61	29	stress	stress	NOUN
ajst-11369	61	30	is	be	AUX
ajst-11369	61	31	shown	show	VERB
ajst-11369	61	32	in	in	ADP
ajst-11369	61	33	figure	figure	NOUN
ajst-11369	61	34	6	6	NUM
ajst-11369	61	35	.	.	PUNCT
ajst-11369	61	36	figure	figure	NOUN
ajst-11369	61	37	6	6	NUM
ajst-11369	61	38	.	.	PUNCT
ajst-11369	61	39	clamping	clamp	VERB
ajst-11369	61	40	force	force	NOUN
ajst-11369	61	41	of	of	ADP
ajst-11369	61	42	600	600	NUM
ajst-11369	61	43	kn	kn	PROPN
ajst-11369	61	44	clamp	clamp	NOUN
ajst-11369	61	45	teeth	tooth	NOUN
ajst-11369	61	46	loaded	load	VERB
ajst-11369	61	47	with	with	ADP
ajst-11369	61	48	von	von	PROPN
ajst-11369	61	49	-	-	PUNCT
ajst-11369	61	50	mises	mises	PROPN
ajst-11369	61	51	stress	stress	NOUN
ajst-11369	61	52	clouds	cloud	NOUN
ajst-11369	61	53	from	from	ADP
ajst-11369	61	54	fig	fig	NOUN
ajst-11369	61	55	.	.	PUNCT
ajst-11369	62	1	6	6	NUM
ajst-11369	62	2	,	,	PUNCT
ajst-11369	62	3	it	it	PRON
ajst-11369	62	4	can	can	AUX
ajst-11369	62	5	be	be	AUX
ajst-11369	62	6	seen	see	VERB
ajst-11369	62	7	that	that	SCONJ
ajst-11369	62	8	the	the	DET
ajst-11369	62	9	von	von	PROPN
ajst-11369	62	10	-	-	PUNCT
ajst-11369	62	11	mises	mises	PROPN
ajst-11369	62	12	stress	stress	NOUN
ajst-11369	62	13	is	be	AUX
ajst-11369	62	14	centrally	centrally	ADV
ajst-11369	62	15	distributed	distribute	VERB
ajst-11369	62	16	in	in	ADP
ajst-11369	62	17	the	the	DET
ajst-11369	62	18	contact	contact	NOUN
ajst-11369	62	19	position	position	NOUN
ajst-11369	62	20	between	between	ADP
ajst-11369	62	21	the	the	DET
ajst-11369	62	22	clamping	clamp	VERB
ajst-11369	62	23	teeth	tooth	NOUN
ajst-11369	62	24	and	and	CCONJ
ajst-11369	62	25	the	the	DET
ajst-11369	62	26	drill	drill	NOUN
ajst-11369	62	27	pipe	pipe	NOUN
ajst-11369	62	28	joint	joint	NOUN
ajst-11369	62	29	,	,	PUNCT
ajst-11369	62	30	and	and	CCONJ
ajst-11369	62	31	the	the	DET
ajst-11369	62	32	maximum	maximum	ADJ
ajst-11369	62	33	value	value	NOUN
ajst-11369	62	34	of	of	ADP
ajst-11369	62	35	the	the	DET
ajst-11369	62	36	von	von	PROPN
ajst-11369	62	37	-	-	PUNCT
ajst-11369	62	38	mises	mises	PROPN
ajst-11369	62	39	stress	stress	VERB
ajst-11369	62	40	in	in	ADP
ajst-11369	62	41	the	the	DET
ajst-11369	62	42	drill	drill	NOUN
ajst-11369	62	43	pipe	pipe	NOUN
ajst-11369	62	44	joint	joint	NOUN
ajst-11369	62	45	during	during	ADP
ajst-11369	62	46	the	the	DET
ajst-11369	62	47	loading	loading	NOUN
ajst-11369	62	48	process	process	NOUN
ajst-11369	62	49	of	of	ADP
ajst-11369	62	50	the	the	DET
ajst-11369	62	51	clamping	clamp	VERB
ajst-11369	62	52	teeth	tooth	NOUN
ajst-11369	62	53	is	be	AUX
ajst-11369	62	54	39.49	39.49	NUM
ajst-11369	62	55	mpa	mpa	NOUN
ajst-11369	62	56	,	,	PUNCT
ajst-11369	62	57	which	which	PRON
ajst-11369	62	58	does	do	AUX
ajst-11369	62	59	not	not	PART
ajst-11369	62	60	reach	reach	VERB
ajst-11369	62	61	the	the	DET
ajst-11369	62	62	yield	yield	NOUN
ajst-11369	62	63	strength	strength	NOUN
ajst-11369	62	64	value	value	NOUN
ajst-11369	62	65	of	of	ADP
ajst-11369	62	66	the	the	DET
ajst-11369	62	67	drill	drill	NOUN
ajst-11369	62	68	pipe	pipe	NOUN
ajst-11369	62	69	,	,	PUNCT
ajst-11369	62	70	so	so	SCONJ
ajst-11369	62	71	the	the	DET
ajst-11369	62	72	drill	drill	NOUN
ajst-11369	62	73	pipe	pipe	NOUN
ajst-11369	62	74	joint	joint	NOUN
ajst-11369	62	75	will	will	AUX
ajst-11369	62	76	not	not	PART
ajst-11369	62	77	be	be	AUX
ajst-11369	62	78	plastically	plastically	ADV
ajst-11369	62	79	deformed	deform	VERB
ajst-11369	62	80	.	.	PUNCT
ajst-11369	63	1	3.2	3.2	NUM
ajst-11369	63	2	.	.	PUNCT
ajst-11369	64	1	clamp	clamp	NOUN
ajst-11369	64	2	teeth	tooth	NOUN
ajst-11369	64	3	rotation	rotation	NOUN
ajst-11369	64	4	process	process	NOUN
ajst-11369	64	5	drill	drill	NOUN
ajst-11369	64	6	pipe	pipe	NOUN
ajst-11369	64	7	joint	joint	ADJ
ajst-11369	64	8	stress	stress	NOUN
ajst-11369	64	9	change	change	NOUN
ajst-11369	64	10	rule	rule	NOUN
ajst-11369	64	11	punch	punch	NOUN
ajst-11369	64	12	buckle	buckle	NOUN
ajst-11369	64	13	clamp	clamp	NOUN
ajst-11369	64	14	on	on	ADP
ajst-11369	64	15	the	the	DET
ajst-11369	64	16	buckle	buckle	NOUN
ajst-11369	64	17	process	process	NOUN
ajst-11369	64	18	is	be	AUX
ajst-11369	64	19	the	the	DET
ajst-11369	64	20	clamp	clamp	NOUN
ajst-11369	64	21	tooth	tooth	NOUN
ajst-11369	64	22	rotation	rotation	NOUN
ajst-11369	64	23	and	and	CCONJ
ajst-11369	64	24	thus	thus	ADV
ajst-11369	64	25	drive	drive	VERB
ajst-11369	64	26	the	the	DET
ajst-11369	64	27	drill	drill	NOUN
ajst-11369	64	28	pipe	pipe	NOUN
ajst-11369	64	29	on	on	ADP
ajst-11369	64	30	the	the	DET
ajst-11369	64	31	buckle	buckle	NOUN
ajst-11369	64	32	operation	operation	NOUN
ajst-11369	64	33	,	,	PUNCT
ajst-11369	64	34	clamp	clamp	NOUN
ajst-11369	64	35	tooth	tooth	NOUN
ajst-11369	64	36	rotation	rotation	NOUN
ajst-11369	64	37	angle	angle	NOUN
ajst-11369	64	38	is	be	AUX
ajst-11369	64	39	generally	generally	ADV
ajst-11369	64	40	between	between	ADP
ajst-11369	64	41	40	40	NUM
ajst-11369	64	42	∽	∽	NUM
ajst-11369	64	43	60	60	NUM
ajst-11369	64	44	degrees	degree	NOUN
ajst-11369	64	45	,	,	PUNCT
ajst-11369	64	46	the	the	DET
ajst-11369	64	47	type	type	NOUN
ajst-11369	64	48	of	of	ADP
ajst-11369	64	49	iron	iron	NOUN
ajst-11369	64	50	driller	driller	NOUN
ajst-11369	64	51	punch	punch	NOUN
ajst-11369	64	52	buckle	buckle	NOUN
ajst-11369	64	53	clamp	clamp	NOUN
ajst-11369	64	54	teeth	tooth	NOUN
ajst-11369	64	55	are	be	AUX
ajst-11369	64	56	generally	generally	ADV
ajst-11369	64	57	1	1	NUM
ajst-11369	64	58	radian	radian	ADJ
ajst-11369	64	59	,	,	PUNCT
ajst-11369	64	60	so	so	SCONJ
ajst-11369	64	61	this	this	DET
ajst-11369	64	62	paper	paper	NOUN
ajst-11369	64	63	clamp	clamp	NOUN
ajst-11369	64	64	tooth	tooth	NOUN
ajst-11369	64	65	rotation	rotation	NOUN
ajst-11369	64	66	angle	angle	NOUN
ajst-11369	64	67	is	be	AUX
ajst-11369	64	68	set	set	VERB
ajst-11369	64	69	to	to	ADP
ajst-11369	64	70	1	1	NUM
ajst-11369	64	71	radian	radian	NOUN
ajst-11369	64	72	.	.	PUNCT
ajst-11369	65	1	after	after	SCONJ
ajst-11369	65	2	the	the	DET
ajst-11369	65	3	clamp	clamp	NOUN
ajst-11369	65	4	teeth	tooth	NOUN
ajst-11369	65	5	loading	loading	NOUN
ajst-11369	65	6	is	be	AUX
ajst-11369	65	7	completed	complete	VERB
ajst-11369	65	8	,	,	PUNCT
ajst-11369	65	9	the	the	DET
ajst-11369	65	10	drill	drill	NOUN
ajst-11369	65	11	pipe	pipe	NOUN
ajst-11369	65	12	is	be	AUX
ajst-11369	65	13	driven	drive	VERB
ajst-11369	65	14	to	to	PART
ajst-11369	65	15	rotate	rotate	VERB
ajst-11369	65	16	to	to	PART
ajst-11369	65	17	carry	carry	VERB
ajst-11369	65	18	out	out	ADP
ajst-11369	65	19	the	the	DET
ajst-11369	65	20	process	process	NOUN
ajst-11369	65	21	of	of	ADP
ajst-11369	65	22	upper	upper	ADJ
ajst-11369	65	23	buckle	buckle	NOUN
ajst-11369	65	24	.	.	PUNCT
ajst-11369	66	1	the	the	DET
ajst-11369	66	2	maximum	maximum	PROPN
ajst-11369	66	3	von	von	PROPN
ajst-11369	66	4	-	-	PUNCT
ajst-11369	66	5	mises	mises	PROPN
ajst-11369	66	6	stress	stress	NOUN
ajst-11369	66	7	change	change	NOUN
ajst-11369	66	8	curve	curve	NOUN
ajst-11369	66	9	of	of	ADP
ajst-11369	66	10	the	the	DET
ajst-11369	66	11	drill	drill	NOUN
ajst-11369	66	12	pipe	pipe	NOUN
ajst-11369	66	13	joint	joint	NOUN
ajst-11369	66	14	is	be	AUX
ajst-11369	66	15	shown	show	VERB
ajst-11369	66	16	in	in	ADP
ajst-11369	66	17	fig	fig	NOUN
ajst-11369	66	18	.	.	PUNCT
ajst-11369	67	1	7	7	NUM
ajst-11369	68	1	when	when	SCONJ
ajst-11369	68	2	the	the	DET
ajst-11369	68	3	jaws	jaw	NOUN
ajst-11369	68	4	are	be	AUX
ajst-11369	68	5	rotated	rotate	VERB
ajst-11369	68	6	at	at	ADP
ajst-11369	68	7	different	different	ADJ
ajst-11369	68	8	radian	radian	PROPN
ajst-11369	68	9	.	.	PUNCT
ajst-11369	68	10	figure	figure	NOUN
ajst-11369	68	11	7	7	NUM
ajst-11369	68	12	.	.	PUNCT
ajst-11369	69	1	maximum	maximum	PROPN
ajst-11369	69	2	von	von	PROPN
ajst-11369	69	3	-	-	PUNCT
ajst-11369	69	4	mises	mises	PROPN
ajst-11369	69	5	stress	stress	VERB
ajst-11369	69	6	variation	variation	NOUN
ajst-11369	69	7	curve	curve	NOUN
ajst-11369	69	8	during	during	ADP
ajst-11369	69	9	rotation	rotation	NOUN
ajst-11369	69	10	of	of	ADP
ajst-11369	69	11	drill	drill	NOUN
ajst-11369	69	12	pipe	pipe	NOUN
ajst-11369	69	13	joints	joint	NOUN
ajst-11369	69	14	from	from	ADP
ajst-11369	69	15	fig	fig	NOUN
ajst-11369	69	16	.	.	PUNCT
ajst-11369	70	1	7	7	NUM
ajst-11369	70	2	,	,	PUNCT
ajst-11369	70	3	it	it	PRON
ajst-11369	70	4	can	can	AUX
ajst-11369	70	5	be	be	AUX
ajst-11369	70	6	seen	see	VERB
ajst-11369	70	7	that	that	SCONJ
ajst-11369	70	8	with	with	ADP
ajst-11369	70	9	the	the	DET
ajst-11369	70	10	increase	increase	NOUN
ajst-11369	70	11	of	of	ADP
ajst-11369	70	12	the	the	DET
ajst-11369	70	13	rotation	rotation	NOUN
ajst-11369	70	14	angle	angle	NOUN
ajst-11369	70	15	of	of	ADP
ajst-11369	70	16	the	the	DET
ajst-11369	70	17	drill	drill	NOUN
ajst-11369	70	18	pipe	pipe	NOUN
ajst-11369	70	19	,	,	PUNCT
ajst-11369	70	20	the	the	DET
ajst-11369	70	21	overall	overall	ADJ
ajst-11369	70	22	trend	trend	NOUN
ajst-11369	70	23	of	of	ADP
ajst-11369	70	24	the	the	DET
ajst-11369	70	25	value	value	NOUN
ajst-11369	70	26	of	of	ADP
ajst-11369	70	27	the	the	DET
ajst-11369	70	28	von	von	PROPN
ajst-11369	70	29	mises	mises	PROPN
ajst-11369	70	30	stress	stress	NOUN
ajst-11369	70	31	increases	increase	NOUN
ajst-11369	70	32	,	,	PUNCT
ajst-11369	70	33	and	and	CCONJ
ajst-11369	70	34	the	the	DET
ajst-11369	70	35	stress	stress	NOUN
ajst-11369	70	36	value	value	NOUN
ajst-11369	70	37	increases	increase	VERB
ajst-11369	70	38	from	from	ADP
ajst-11369	70	39	34.49	34.49	NUM
ajst-11369	70	40	mpa	mpa	NOUN
ajst-11369	70	41	to	to	ADP
ajst-11369	70	42	78.66	78.66	NUM
ajst-11369	70	43	mpa	mpa	PROPN
ajst-11369	70	44	.	.	PUNCT
ajst-11369	71	1	compared	compare	VERB
ajst-11369	71	2	with	with	ADP
ajst-11369	71	3	the	the	DET
ajst-11369	71	4	maximum	maximum	ADJ
ajst-11369	71	5	stress	stress	NOUN
ajst-11369	71	6	during	during	ADP
ajst-11369	71	7	the	the	DET
ajst-11369	71	8	loading	loading	NOUN
ajst-11369	71	9	process	process	NOUN
ajst-11369	71	10	of	of	ADP
ajst-11369	71	11	the	the	DET
ajst-11369	71	12	jaws	jaw	NOUN
ajst-11369	71	13	,	,	PUNCT
ajst-11369	71	14	the	the	DET
ajst-11369	71	15	value	value	NOUN
ajst-11369	71	16	of	of	ADP
ajst-11369	71	17	the	the	DET
ajst-11369	71	18	maximum	maximum	ADJ
ajst-11369	71	19	stress	stress	NOUN
ajst-11369	71	20	during	during	ADP
ajst-11369	71	21	the	the	DET
ajst-11369	71	22	rotation	rotation	NOUN
ajst-11369	71	23	process	process	NOUN
ajst-11369	71	24	of	of	ADP
ajst-11369	71	25	the	the	DET
ajst-11369	71	26	jaws	jaw	NOUN
ajst-11369	71	27	increases	increase	VERB
ajst-11369	71	28	by	by	ADP
ajst-11369	71	29	2.28	2.28	NUM
ajst-11369	71	30	times	time	NOUN
ajst-11369	71	31	.	.	PUNCT
ajst-11369	72	1	the	the	DET
ajst-11369	72	2	reason	reason	NOUN
ajst-11369	72	3	for	for	ADP
ajst-11369	72	4	this	this	PRON
ajst-11369	72	5	is	be	AUX
ajst-11369	72	6	that	that	SCONJ
ajst-11369	72	7	the	the	DET
ajst-11369	72	8	upper	upper	ADJ
ajst-11369	72	9	buckling	buckle	VERB
ajst-11369	72	10	torque	torque	NOUN
ajst-11369	72	11	is	be	AUX
ajst-11369	72	12	the	the	DET
ajst-11369	72	13	main	main	ADJ
ajst-11369	72	14	influence	influence	NOUN
ajst-11369	72	15	factor	factor	NOUN
ajst-11369	72	16	for	for	ADP
ajst-11369	72	17	the	the	DET
ajst-11369	72	18	stress	stress	NOUN
ajst-11369	72	19	change	change	NOUN
ajst-11369	72	20	of	of	ADP
ajst-11369	72	21	the	the	DET
ajst-11369	72	22	joint	joint	NOUN
ajst-11369	72	23	between	between	ADP
ajst-11369	72	24	the	the	DET
ajst-11369	72	25	clamp	clamp	NOUN
ajst-11369	72	26	teeth	tooth	NOUN
ajst-11369	72	27	and	and	CCONJ
ajst-11369	72	28	the	the	DET
ajst-11369	72	29	drill	drill	NOUN
ajst-11369	72	30	pipe	pipe	NOUN
ajst-11369	72	31	.	.	PUNCT
ajst-11369	73	1	during	during	ADP
ajst-11369	73	2	the	the	DET
ajst-11369	73	3	rotation	rotation	NOUN
ajst-11369	73	4	process	process	NOUN
ajst-11369	73	5	of	of	ADP
ajst-11369	73	6	the	the	DET
ajst-11369	73	7	drill	drill	NOUN
ajst-11369	73	8	pipe	pipe	NOUN
ajst-11369	73	9	driven	drive	VERB
ajst-11369	73	10	by	by	ADP
ajst-11369	73	11	the	the	DET
ajst-11369	73	12	jaws	jaw	NOUN
ajst-11369	73	13	,	,	PUNCT
ajst-11369	73	14	the	the	DET
ajst-11369	73	15	upper	upper	ADJ
ajst-11369	73	16	buckling	buckle	VERB
ajst-11369	73	17	torque	torque	NOUN
ajst-11369	73	18	changes	change	NOUN
ajst-11369	73	19	continuously	continuously	ADV
ajst-11369	73	20	,	,	PUNCT
ajst-11369	73	21	because	because	SCONJ
ajst-11369	73	22	the	the	DET
ajst-11369	73	23	upper	upper	ADJ
ajst-11369	73	24	buckling	buckle	VERB
ajst-11369	73	25	torque	torque	NOUN
ajst-11369	73	26	in	in	ADP
ajst-11369	73	27	the	the	DET
ajst-11369	73	28	buckling	buckle	VERB
ajst-11369	73	29	process	process	NOUN
ajst-11369	73	30	increases	increase	VERB
ajst-11369	73	31	with	with	ADP
ajst-11369	73	32	the	the	DET
ajst-11369	73	33	increase	increase	NOUN
ajst-11369	73	34	of	of	ADP
ajst-11369	73	35	the	the	DET
ajst-11369	73	36	clamping	clamp	VERB
ajst-11369	73	37	force	force	NOUN
ajst-11369	73	38	of	of	ADP
ajst-11369	73	39	the	the	DET
ajst-11369	73	40	punching	punching	NOUN
ajst-11369	73	41	jaws	jaw	NOUN
ajst-11369	73	42	,	,	PUNCT
ajst-11369	73	43	so	so	SCONJ
ajst-11369	73	44	the	the	DET
ajst-11369	73	45	stress	stress	NOUN
ajst-11369	73	46	of	of	ADP
ajst-11369	73	47	the	the	DET
ajst-11369	73	48	joint	joint	NOUN
ajst-11369	73	49	of	of	ADP
ajst-11369	73	50	the	the	DET
ajst-11369	73	51	drill	drill	NOUN
ajst-11369	73	52	pipe	pipe	NOUN
ajst-11369	73	53	increases	increase	VERB
ajst-11369	73	54	gradually	gradually	ADV
ajst-11369	73	55	.	.	PUNCT
ajst-11369	74	1	the	the	DET
ajst-11369	74	2	displacement	displacement	NOUN
ajst-11369	74	3	of	of	ADP
ajst-11369	74	4	the	the	DET
ajst-11369	74	5	punching	punching	NOUN
ajst-11369	74	6	clamp	clamp	NOUN
ajst-11369	74	7	during	during	ADP
ajst-11369	74	8	the	the	DET
ajst-11369	74	9	rotation	rotation	NOUN
ajst-11369	74	10	of	of	ADP
ajst-11369	74	11	the	the	DET
ajst-11369	74	12	drill	drill	NOUN
ajst-11369	74	13	pipe	pipe	NOUN
ajst-11369	74	14	driven	drive	VERB
ajst-11369	74	15	by	by	ADP
ajst-11369	74	16	the	the	DET
ajst-11369	74	17	jaws	jaw	NOUN
ajst-11369	74	18	is	be	AUX
ajst-11369	74	19	shown	show	VERB
ajst-11369	74	20	in	in	ADP
ajst-11369	74	21	fig	fig	NOUN
ajst-11369	74	22	.	.	PUNCT
ajst-11369	75	1	8	8	NUM
ajst-11369	75	2	.	.	NOUN
ajst-11369	75	3	0	0	NUM
ajst-11369	76	1	20	20	NUM
ajst-11369	76	2	40	40	NUM
ajst-11369	76	3	60	60	NUM
ajst-11369	76	4	80	80	NUM
ajst-11369	76	5	100	100	NUM
ajst-11369	76	6	0	0	NUM
ajst-11369	76	7	0.5	0.5	NUM
ajst-11369	76	8	1	1	NUM
ajst-11369	76	9	1.5	1.5	NUM
ajst-11369	76	10	vo	vo	NOUN
ajst-11369	76	11	nm	nm	PROPN
ajst-11369	76	12	is	be	AUX
ajst-11369	76	13	es	es	ADP
ajst-11369	76	14	s	s	PROPN
ajst-11369	76	15	st	st	PROPN
ajst-11369	76	16	re	re	ADJ
ajst-11369	76	17	ss	ss	PROPN
ajst-11369	76	18	/m	/m	PUNCT
ajst-11369	77	1	pa	pa	PROPN
ajst-11369	77	2	clamp	clamp	PROPN
ajst-11369	77	3	teeth	teeth	PROPN
ajst-11369	77	4	rotation	rotation	NOUN
ajst-11369	77	5	angle/(rad	angle/(rad	PROPN
ajst-11369	77	6	)	)	PUNCT
ajst-11369	77	7	204	204	NUM
ajst-11369	77	8	figure	figure	NOUN
ajst-11369	77	9	8	8	NUM
ajst-11369	77	10	.	.	PUNCT
ajst-11369	78	1	displacement	displacement	NOUN
ajst-11369	78	2	of	of	ADP
ajst-11369	78	3	the	the	DET
ajst-11369	78	4	punching	punching	NOUN
ajst-11369	78	5	and	and	CCONJ
ajst-11369	78	6	buckling	buckle	VERB
ajst-11369	78	7	jaws	jaw	NOUN
ajst-11369	78	8	during	during	ADP
ajst-11369	78	9	the	the	DET
ajst-11369	78	10	rotation	rotation	NOUN
ajst-11369	78	11	of	of	ADP
ajst-11369	78	12	the	the	DET
ajst-11369	78	13	jaws	jaw	NOUN
ajst-11369	78	14	.	.	PUNCT
ajst-11369	79	1	as	as	SCONJ
ajst-11369	79	2	can	can	AUX
ajst-11369	79	3	be	be	AUX
ajst-11369	79	4	seen	see	VERB
ajst-11369	79	5	from	from	ADP
ajst-11369	79	6	fig	fig	NOUN
ajst-11369	79	7	.	.	PUNCT
ajst-11369	80	1	8	8	NUM
ajst-11369	80	2	,	,	PUNCT
ajst-11369	80	3	the	the	DET
ajst-11369	80	4	maximum	maximum	ADJ
ajst-11369	80	5	displacement	displacement	NOUN
ajst-11369	80	6	of	of	ADP
ajst-11369	80	7	the	the	DET
ajst-11369	80	8	jaws	jaw	NOUN
ajst-11369	80	9	is	be	AUX
ajst-11369	80	10	6.159x10	6.159x10	NUM
ajst-11369	80	11	-	-	SYM
ajst-11369	80	12	2	2	NUM
ajst-11369	80	13	mm	mm	NOUN
ajst-11369	80	14	when	when	SCONJ
ajst-11369	80	15	the	the	DET
ajst-11369	80	16	jaws	jaw	NOUN
ajst-11369	80	17	are	be	AUX
ajst-11369	80	18	rotating	rotate	VERB
ajst-11369	80	19	,	,	PUNCT
ajst-11369	80	20	and	and	CCONJ
ajst-11369	80	21	the	the	DET
ajst-11369	80	22	general	general	ADJ
ajst-11369	80	23	depth	depth	NOUN
ajst-11369	80	24	of	of	ADP
ajst-11369	80	25	the	the	DET
ajst-11369	80	26	bite	bite	NOUN
ajst-11369	80	27	mark	mark	NOUN
ajst-11369	80	28	is	be	AUX
ajst-11369	80	29	not	not	PART
ajst-11369	80	30	more	more	ADJ
ajst-11369	80	31	than	than	ADP
ajst-11369	80	32	1	1	NUM
ajst-11369	80	33	mm	mm	NOUN
ajst-11369	80	34	for	for	ADP
ajst-11369	80	35	the	the	DET
ajst-11369	80	36	optimal	optimal	ADJ
ajst-11369	80	37	working	working	NOUN
ajst-11369	80	38	condition	condition	NOUN
ajst-11369	80	39	,	,	PUNCT
ajst-11369	80	40	and	and	CCONJ
ajst-11369	80	41	the	the	DET
ajst-11369	80	42	depth	depth	NOUN
ajst-11369	80	43	of	of	ADP
ajst-11369	80	44	the	the	DET
ajst-11369	80	45	bite	bite	NOUN
ajst-11369	80	46	mark	mark	NOUN
ajst-11369	80	47	is	be	AUX
ajst-11369	80	48	suitable	suitable	ADJ
ajst-11369	80	49	for	for	ADP
ajst-11369	80	50	less	less	ADJ
ajst-11369	80	51	damage	damage	NOUN
ajst-11369	80	52	to	to	ADP
ajst-11369	80	53	the	the	DET
ajst-11369	80	54	joints	joint	NOUN
ajst-11369	80	55	of	of	ADP
ajst-11369	80	56	the	the	DET
ajst-11369	80	57	drill	drill	NOUN
ajst-11369	80	58	pipe	pipe	NOUN
ajst-11369	80	59	.	.	PUNCT
ajst-11369	81	1	3.3	3.3	NUM
ajst-11369	81	2	.	.	PUNCT
ajst-11369	82	1	analysis	analysis	NOUN
ajst-11369	82	2	of	of	ADP
ajst-11369	82	3	maximum	maximum	ADJ
ajst-11369	82	4	buckling	buckle	VERB
ajst-11369	82	5	torque	torque	NOUN
ajst-11369	82	6	of	of	ADP
ajst-11369	82	7	drill	drill	NOUN
ajst-11369	82	8	pipe	pipe	NOUN
ajst-11369	82	9	punching	punching	NOUN
ajst-11369	82	10	clamp	clamp	NOUN
ajst-11369	82	11	buckling	buckling	NOUN
ajst-11369	82	12	is	be	AUX
ajst-11369	82	13	to	to	PART
ajst-11369	82	14	make	make	VERB
ajst-11369	82	15	up	up	ADP
ajst-11369	82	16	for	for	ADP
ajst-11369	82	17	the	the	DET
ajst-11369	82	18	lack	lack	NOUN
ajst-11369	82	19	of	of	ADP
ajst-11369	82	20	rotary	rotary	ADJ
ajst-11369	82	21	buckling	buckle	VERB
ajst-11369	82	22	torque	torque	NOUN
ajst-11369	82	23	of	of	ADP
ajst-11369	82	24	the	the	DET
ajst-11369	82	25	rotary	rotary	NOUN
ajst-11369	82	26	buckling	buckling	NOUN
ajst-11369	82	27	clamp	clamp	NOUN
ajst-11369	82	28	and	and	CCONJ
ajst-11369	82	29	the	the	DET
ajst-11369	82	30	buckling	buckle	VERB
ajst-11369	82	31	process	process	NOUN
ajst-11369	82	32	,	,	PUNCT
ajst-11369	82	33	mainly	mainly	ADV
ajst-11369	82	34	through	through	ADP
ajst-11369	82	35	the	the	DET
ajst-11369	82	36	thrust	thrust	ADJ
ajst-11369	82	37	hydraulic	hydraulic	ADJ
ajst-11369	82	38	cylinder	cylinder	NOUN
ajst-11369	82	39	and	and	CCONJ
ajst-11369	82	40	the	the	DET
ajst-11369	82	41	punch	punch	NOUN
ajst-11369	82	42	hydraulic	hydraulic	ADJ
ajst-11369	82	43	cylinder	cylinder	NOUN
ajst-11369	82	44	together	together	ADV
ajst-11369	82	45	to	to	PART
ajst-11369	82	46	drive	drive	VERB
ajst-11369	82	47	the	the	DET
ajst-11369	82	48	jaws	jaw	NOUN
ajst-11369	82	49	to	to	PART
ajst-11369	82	50	drive	drive	VERB
ajst-11369	82	51	the	the	DET
ajst-11369	82	52	drill	drill	NOUN
ajst-11369	82	53	pipe	pipe	NOUN
ajst-11369	82	54	for	for	ADP
ajst-11369	82	55	the	the	DET
ajst-11369	82	56	buckling	buckle	VERB
ajst-11369	82	57	process	process	NOUN
ajst-11369	82	58	.	.	PUNCT
ajst-11369	83	1	the	the	DET
ajst-11369	83	2	size	size	NOUN
ajst-11369	83	3	of	of	ADP
ajst-11369	83	4	the	the	DET
ajst-11369	83	5	punching	punching	NOUN
ajst-11369	83	6	torque	torque	NOUN
ajst-11369	83	7	is	be	AUX
ajst-11369	83	8	mainly	mainly	ADV
ajst-11369	83	9	determined	determine	VERB
ajst-11369	83	10	by	by	ADP
ajst-11369	83	11	the	the	DET
ajst-11369	83	12	clamping	clamp	VERB
ajst-11369	83	13	force	force	NOUN
ajst-11369	83	14	and	and	CCONJ
ajst-11369	83	15	friction	friction	NOUN
ajst-11369	83	16	coefficient	coefficient	NOUN
ajst-11369	83	17	.	.	PUNCT
ajst-11369	84	1	when	when	SCONJ
ajst-11369	84	2	the	the	DET
ajst-11369	84	3	friction	friction	NOUN
ajst-11369	84	4	coefficient	coefficient	NOUN
ajst-11369	84	5	is	be	AUX
ajst-11369	84	6	certain	certain	ADJ
ajst-11369	84	7	,	,	PUNCT
ajst-11369	84	8	increasing	increase	VERB
ajst-11369	84	9	the	the	DET
ajst-11369	84	10	clamping	clamp	VERB
ajst-11369	84	11	force	force	NOUN
ajst-11369	84	12	can	can	AUX
ajst-11369	84	13	effectively	effectively	ADV
ajst-11369	84	14	solve	solve	VERB
ajst-11369	84	15	the	the	DET
ajst-11369	84	16	problem	problem	NOUN
ajst-11369	84	17	of	of	ADP
ajst-11369	84	18	insufficient	insufficient	ADJ
ajst-11369	84	19	torque	torque	NOUN
ajst-11369	84	20	of	of	ADP
ajst-11369	84	21	rotary	rotary	ADJ
ajst-11369	84	22	buckling	buckling	NOUN
ajst-11369	84	23	.	.	PUNCT
ajst-11369	85	1	take	take	VERB
ajst-11369	85	2	the	the	DET
ajst-11369	85	3	friction	friction	NOUN
ajst-11369	85	4	coefficient	coefficient	NOUN
ajst-11369	85	5	as	as	ADP
ajst-11369	85	6	0.15	0.15	NUM
ajst-11369	85	7	,	,	PUNCT
ajst-11369	85	8	increase	increase	VERB
ajst-11369	85	9	the	the	DET
ajst-11369	85	10	clamping	clamp	VERB
ajst-11369	85	11	force	force	NOUN
ajst-11369	85	12	,	,	PUNCT
ajst-11369	85	13	that	that	ADV
ajst-11369	85	14	is	is	ADV
ajst-11369	85	15	,	,	PUNCT
ajst-11369	85	16	increase	increase	VERB
ajst-11369	85	17	the	the	DET
ajst-11369	85	18	torque	torque	NOUN
ajst-11369	85	19	,	,	PUNCT
ajst-11369	85	20	so	so	SCONJ
ajst-11369	85	21	as	as	SCONJ
ajst-11369	85	22	to	to	PART
ajst-11369	85	23	draw	draw	VERB
ajst-11369	85	24	the	the	DET
ajst-11369	85	25	peak	peak	NOUN
ajst-11369	85	26	stress	stress	NOUN
ajst-11369	85	27	curve	curve	NOUN
ajst-11369	85	28	of	of	ADP
ajst-11369	85	29	punching	punch	VERB
ajst-11369	85	30	buckle	buckle	NOUN
ajst-11369	85	31	clamp	clamp	NOUN
ajst-11369	85	32	punching	punching	NOUN
ajst-11369	85	33	process	process	NOUN
ajst-11369	85	34	as	as	SCONJ
ajst-11369	85	35	shown	show	VERB
ajst-11369	85	36	in	in	ADP
ajst-11369	85	37	figure	figure	NOUN
ajst-11369	85	38	9	9	NUM
ajst-11369	85	39	.	.	PUNCT
ajst-11369	85	40	figure	figure	NOUN
ajst-11369	85	41	9	9	NUM
ajst-11369	85	42	.	.	PUNCT
ajst-11369	85	43	peak	peak	VERB
ajst-11369	85	44	stress	stress	NOUN
ajst-11369	85	45	curves	curve	NOUN
ajst-11369	85	46	of	of	ADP
ajst-11369	85	47	drill	drill	NOUN
ajst-11369	85	48	pipe	pipe	NOUN
ajst-11369	85	49	joints	joint	NOUN
ajst-11369	85	50	at	at	ADP
ajst-11369	85	51	different	different	ADJ
ajst-11369	85	52	buckling	buckle	VERB
ajst-11369	85	53	torques	torque	NOUN
ajst-11369	85	54	as	as	SCONJ
ajst-11369	85	55	can	can	AUX
ajst-11369	85	56	be	be	AUX
ajst-11369	85	57	seen	see	VERB
ajst-11369	85	58	from	from	ADP
ajst-11369	85	59	fig	fig	NOUN
ajst-11369	85	60	.	.	PUNCT
ajst-11369	86	1	9	9	NUM
ajst-11369	86	2	,	,	PUNCT
ajst-11369	86	3	when	when	SCONJ
ajst-11369	86	4	the	the	DET
ajst-11369	86	5	friction	friction	NOUN
ajst-11369	86	6	coefficient	coefficient	NOUN
ajst-11369	86	7	is	be	AUX
ajst-11369	86	8	constant	constant	ADJ
ajst-11369	86	9	,	,	PUNCT
ajst-11369	86	10	the	the	DET
ajst-11369	86	11	maximum	maximum	ADJ
ajst-11369	86	12	value	value	NOUN
ajst-11369	86	13	of	of	ADP
ajst-11369	86	14	the	the	DET
ajst-11369	86	15	von	von	PROPN
ajst-11369	86	16	-	-	PUNCT
ajst-11369	86	17	mises	mises	PROPN
ajst-11369	86	18	stress	stress	VERB
ajst-11369	86	19	in	in	ADP
ajst-11369	86	20	the	the	DET
ajst-11369	86	21	drill	drill	NOUN
ajst-11369	86	22	pipe	pipe	NOUN
ajst-11369	86	23	joint	joint	NOUN
ajst-11369	86	24	during	during	ADP
ajst-11369	86	25	the	the	DET
ajst-11369	86	26	buckling	buckle	VERB
ajst-11369	86	27	process	process	NOUN
ajst-11369	86	28	of	of	ADP
ajst-11369	86	29	the	the	DET
ajst-11369	86	30	buckling	buckle	VERB
ajst-11369	86	31	clamp	clamp	NOUN
ajst-11369	86	32	increases	increase	NOUN
ajst-11369	86	33	with	with	ADP
ajst-11369	86	34	the	the	DET
ajst-11369	86	35	increase	increase	NOUN
ajst-11369	86	36	of	of	ADP
ajst-11369	86	37	the	the	DET
ajst-11369	86	38	upper	upper	ADJ
ajst-11369	86	39	buckling	buckle	VERB
ajst-11369	86	40	torque	torque	NOUN
ajst-11369	86	41	.	.	PUNCT
ajst-11369	87	1	when	when	SCONJ
ajst-11369	87	2	the	the	DET
ajst-11369	87	3	upper	upper	ADJ
ajst-11369	87	4	buckling	buckle	VERB
ajst-11369	87	5	torque	torque	NOUN
ajst-11369	87	6	increases	increase	NOUN
ajst-11369	87	7	from	from	ADP
ajst-11369	87	8	15.8	15.8	NUM
ajst-11369	87	9	kn.m	kn.m	NOUN
ajst-11369	87	10	to	to	ADP
ajst-11369	87	11	81.9	81.9	NUM
ajst-11369	87	12	kn.m	kn.m	NOUN
ajst-11369	87	13	,	,	PUNCT
ajst-11369	87	14	the	the	DET
ajst-11369	87	15	maximum	maximum	PROPN
ajst-11369	87	16	von	von	PROPN
ajst-11369	87	17	-	-	PUNCT
ajst-11369	87	18	mises	mises	PROPN
ajst-11369	87	19	stress	stress	NOUN
ajst-11369	87	20	of	of	ADP
ajst-11369	87	21	the	the	DET
ajst-11369	87	22	drill	drill	NOUN
ajst-11369	87	23	pipe	pipe	NOUN
ajst-11369	87	24	joint	joint	ADJ
ajst-11369	87	25	increases	increase	NOUN
ajst-11369	87	26	from	from	ADP
ajst-11369	87	27	78.6	78.6	NUM
ajst-11369	87	28	mpa	mpa	NOUN
ajst-11369	87	29	to	to	ADP
ajst-11369	87	30	517	517	NUM
ajst-11369	87	31	mpa	mpa	NOUN
ajst-11369	87	32	,	,	PUNCT
ajst-11369	87	33	and	and	CCONJ
ajst-11369	87	34	the	the	DET
ajst-11369	87	35	increase	increase	NOUN
ajst-11369	87	36	value	value	NOUN
ajst-11369	87	37	is	be	AUX
ajst-11369	87	38	83.1	83.1	NUM
ajst-11369	87	39	%	%	NOUN
ajst-11369	87	40	of	of	ADP
ajst-11369	87	41	the	the	DET
ajst-11369	87	42	yield	yield	NOUN
ajst-11369	87	43	strength	strength	NOUN
ajst-11369	87	44	of	of	ADP
ajst-11369	87	45	the	the	DET
ajst-11369	87	46	material	material	NOUN
ajst-11369	87	47	of	of	ADP
ajst-11369	87	48	the	the	DET
ajst-11369	87	49	drill	drill	NOUN
ajst-11369	87	50	pipe	pipe	NOUN
ajst-11369	87	51	joint	joint	NOUN
ajst-11369	87	52	;	;	PUNCT
ajst-11369	87	53	until	until	SCONJ
ajst-11369	87	54	the	the	DET
ajst-11369	87	55	upper	upper	ADJ
ajst-11369	87	56	buckling	buckle	VERB
ajst-11369	87	57	torque	torque	NOUN
ajst-11369	87	58	increases	increase	NOUN
ajst-11369	87	59	to	to	ADP
ajst-11369	87	60	81.9	81.9	NUM
ajst-11369	87	61	kn.m	kn.m	NOUN
ajst-11369	87	62	,	,	PUNCT
ajst-11369	87	63	at	at	ADP
ajst-11369	87	64	which	which	DET
ajst-11369	87	65	time	time	NOUN
ajst-11369	87	66	,	,	PUNCT
ajst-11369	87	67	the	the	DET
ajst-11369	87	68	clamping	clamp	VERB
ajst-11369	87	69	force	force	NOUN
ajst-11369	87	70	of	of	ADP
ajst-11369	87	71	the	the	DET
ajst-11369	87	72	drill	drill	NOUN
ajst-11369	87	73	pipe	pipe	NOUN
ajst-11369	87	74	joint	joint	NOUN
ajst-11369	87	75	is	be	AUX
ajst-11369	87	76	1200	1200	NUM
ajst-11369	87	77	kn	kn	PROPN
ajst-11369	87	78	,	,	PUNCT
ajst-11369	87	79	and	and	CCONJ
ajst-11369	87	80	the	the	DET
ajst-11369	87	81	maximum	maximum	ADJ
ajst-11369	87	82	value	value	NOUN
ajst-11369	87	83	of	of	ADP
ajst-11369	87	84	von	von	PROPN
ajst-11369	87	85	-	-	PUNCT
ajst-11369	87	86	mises	mises	PROPN
ajst-11369	87	87	stress	stress	NOUN
ajst-11369	87	88	of	of	ADP
ajst-11369	87	89	the	the	DET
ajst-11369	87	90	drill	drill	NOUN
ajst-11369	87	91	pipe	pipe	NOUN
ajst-11369	87	92	joint	joint	NOUN
ajst-11369	87	93	is	be	AUX
ajst-11369	87	94	517	517	NUM
ajst-11369	87	95	mpa	mpa	NOUN
ajst-11369	87	96	.	.	PUNCT
ajst-11369	88	1	mises	mises	PROPN
ajst-11369	88	2	stress	stress	VERB
ajst-11369	88	3	is	be	AUX
ajst-11369	88	4	517	517	NUM
ajst-11369	88	5	mpa	mpa	NOUN
ajst-11369	88	6	,	,	PUNCT
ajst-11369	88	7	reaching	reach	VERB
ajst-11369	88	8	the	the	DET
ajst-11369	88	9	yield	yield	NOUN
ajst-11369	88	10	limit	limit	NOUN
ajst-11369	88	11	of	of	ADP
ajst-11369	88	12	the	the	DET
ajst-11369	88	13	drill	drill	NOUN
ajst-11369	88	14	pipe	pipe	NOUN
ajst-11369	88	15	material	material	NOUN
ajst-11369	88	16	,	,	PUNCT
ajst-11369	88	17	the	the	DET
ajst-11369	88	18	material	material	NOUN
ajst-11369	88	19	begins	begin	VERB
ajst-11369	88	20	to	to	PART
ajst-11369	88	21	deform	deform	VERB
ajst-11369	88	22	plastically	plastically	ADV
ajst-11369	88	23	,	,	PUNCT
ajst-11369	88	24	and	and	CCONJ
ajst-11369	88	25	does	do	AUX
ajst-11369	88	26	not	not	PART
ajst-11369	88	27	exceed	exceed	VERB
ajst-11369	88	28	the	the	DET
ajst-11369	88	29	maximum	maximum	ADJ
ajst-11369	88	30	allowable	allowable	ADJ
ajst-11369	88	31	upper	upper	ADJ
ajst-11369	88	32	buckling	buckle	VERB
ajst-11369	88	33	torque	torque	NOUN
ajst-11369	88	34	of	of	ADP
ajst-11369	88	35	this	this	DET
ajst-11369	88	36	type	type	NOUN
ajst-11369	88	37	of	of	ADP
ajst-11369	88	38	iron	iron	NOUN
ajst-11369	88	39	driller	driller	NOUN
ajst-11369	88	40	's	's	PART
ajst-11369	88	41	punching	punching	NOUN
ajst-11369	88	42	pliers	plier	NOUN
ajst-11369	88	43	,	,	PUNCT
ajst-11369	88	44	i.e.	i.e.	X
ajst-11369	88	45	,	,	PUNCT
ajst-11369	88	46	this	this	DET
ajst-11369	88	47	upper	upper	ADJ
ajst-11369	88	48	buckling	buckle	VERB
ajst-11369	88	49	torque	torque	NOUN
ajst-11369	88	50	is	be	AUX
ajst-11369	88	51	the	the	DET
ajst-11369	88	52	maximum	maximum	ADJ
ajst-11369	88	53	upper	upper	ADJ
ajst-11369	88	54	buckling	buckle	VERB
ajst-11369	88	55	torque	torque	NOUN
ajst-11369	88	56	of	of	ADP
ajst-11369	88	57	the	the	DET
ajst-11369	88	58	punching	punching	NOUN
ajst-11369	88	59	pliers	plier	NOUN
ajst-11369	88	60	during	during	ADP
ajst-11369	88	61	the	the	DET
ajst-11369	88	62	process	process	NOUN
ajst-11369	88	63	of	of	ADP
ajst-11369	88	64	upper	upper	ADJ
ajst-11369	88	65	buckling	buckling	NOUN
ajst-11369	88	66	and	and	CCONJ
ajst-11369	88	67	the	the	DET
ajst-11369	88	68	maximum	maximum	ADJ
ajst-11369	88	69	clamping	clamp	VERB
ajst-11369	88	70	force	force	NOUN
ajst-11369	88	71	of	of	ADP
ajst-11369	88	72	the	the	DET
ajst-11369	88	73	drill	drill	NOUN
ajst-11369	88	74	pipe	pipe	NOUN
ajst-11369	88	75	joints	joint	NOUN
ajst-11369	88	76	is	be	AUX
ajst-11369	88	77	1,200	1,200	NUM
ajst-11369	88	78	kn	kn	PROPN
ajst-11369	88	79	.	.	PUNCT
ajst-11369	89	1	therefore	therefore	ADV
ajst-11369	89	2	,	,	PUNCT
ajst-11369	89	3	for	for	ADP
ajst-11369	89	4	139.7	139.7	NUM
ajst-11369	89	5	mm	mm	NOUN
ajst-11369	89	6	x	x	SYM
ajst-11369	89	7	9.17	9.17	NUM
ajst-11369	89	8	mm	mm	PROPN
ajst-11369	89	9	drill	drill	NOUN
ajst-11369	89	10	pipe	pipe	NOUN
ajst-11369	89	11	,	,	PUNCT
ajst-11369	89	12	the	the	DET
ajst-11369	89	13	maximum	maximum	ADJ
ajst-11369	89	14	buckling	buckle	VERB
ajst-11369	89	15	torque	torque	NOUN
ajst-11369	89	16	of	of	ADP
ajst-11369	89	17	the	the	DET
ajst-11369	89	18	punching	punching	NOUN
ajst-11369	89	19	and	and	CCONJ
ajst-11369	89	20	buckling	buckling	NOUN
ajst-11369	89	21	pliers	plier	NOUN
ajst-11369	89	22	is	be	AUX
ajst-11369	89	23	81.9	81.9	NUM
ajst-11369	89	24	kn.m	kn.m	NOUN
ajst-11369	89	25	.	.	PUNCT
ajst-11369	90	1	the	the	DET
ajst-11369	90	2	finite	finite	PROPN
ajst-11369	90	3	element	element	PROPN
ajst-11369	90	4	simulation	simulation	NOUN
ajst-11369	90	5	of	of	ADP
ajst-11369	90	6	the	the	DET
ajst-11369	90	7	drill	drill	NOUN
ajst-11369	90	8	pipe	pipe	NOUN
ajst-11369	90	9	joint	joint	NOUN
ajst-11369	90	10	under	under	ADP
ajst-11369	90	11	the	the	DET
ajst-11369	90	12	maximum	maximum	ADJ
ajst-11369	90	13	buckling	buckle	VERB
ajst-11369	90	14	torque	torque	NOUN
ajst-11369	90	15	is	be	AUX
ajst-11369	90	16	as	as	SCONJ
ajst-11369	90	17	follows	follow	VERB
ajst-11369	90	18	:	:	PUNCT
ajst-11369	90	19	figure	figure	NOUN
ajst-11369	90	20	10	10	NUM
ajst-11369	90	21	.	.	PUNCT
ajst-11369	91	1	stress	stress	NOUN
ajst-11369	91	2	cloud	cloud	NOUN
ajst-11369	91	3	of	of	ADP
ajst-11369	91	4	drill	drill	NOUN
ajst-11369	91	5	pipe	pipe	NOUN
ajst-11369	91	6	joint	joint	NOUN
ajst-11369	91	7	3.4	3.4	NUM
ajst-11369	91	8	.	.	PUNCT
ajst-11369	91	9	effect	effect	NOUN
ajst-11369	91	10	of	of	ADP
ajst-11369	91	11	friction	friction	NOUN
ajst-11369	91	12	coefficient	coefficient	NOUN
ajst-11369	91	13	on	on	ADP
ajst-11369	91	14	the	the	DET
ajst-11369	91	15	maximum	maximum	ADJ
ajst-11369	91	16	clamping	clamp	VERB
ajst-11369	91	17	force	force	NOUN
ajst-11369	91	18	of	of	ADP
ajst-11369	91	19	drill	drill	NOUN
ajst-11369	91	20	pipe	pipe	NOUN
ajst-11369	91	21	joints	joint	NOUN
ajst-11369	91	22	in	in	ADP
ajst-11369	91	23	order	order	NOUN
ajst-11369	91	24	to	to	PART
ajst-11369	91	25	obtain	obtain	VERB
ajst-11369	91	26	a	a	DET
ajst-11369	91	27	large	large	ADJ
ajst-11369	91	28	buckling	buckle	VERB
ajst-11369	91	29	torque	torque	NOUN
ajst-11369	91	30	,	,	PUNCT
ajst-11369	91	31	the	the	DET
ajst-11369	91	32	clamping	clamp	VERB
ajst-11369	91	33	force	force	NOUN
ajst-11369	91	34	and	and	CCONJ
ajst-11369	91	35	friction	friction	NOUN
ajst-11369	91	36	coefficient	coefficient	NOUN
ajst-11369	91	37	can	can	AUX
ajst-11369	91	38	be	be	AUX
ajst-11369	91	39	increased	increase	VERB
ajst-11369	91	40	.	.	PUNCT
ajst-11369	92	1	however	however	ADV
ajst-11369	92	2	,	,	PUNCT
ajst-11369	92	3	too	too	ADV
ajst-11369	92	4	large	large	ADJ
ajst-11369	92	5	friction	friction	NOUN
ajst-11369	92	6	coefficient	coefficient	NOUN
ajst-11369	92	7	will	will	AUX
ajst-11369	92	8	easily	easily	ADV
ajst-11369	92	9	lead	lead	VERB
ajst-11369	92	10	to	to	ADP
ajst-11369	92	11	the	the	DET
ajst-11369	92	12	surface	surface	NOUN
ajst-11369	92	13	damage	damage	NOUN
ajst-11369	92	14	of	of	ADP
ajst-11369	92	15	drill	drill	NOUN
ajst-11369	92	16	pipe	pipe	NOUN
ajst-11369	92	17	joint	joint	NOUN
ajst-11369	92	18	,	,	PUNCT
ajst-11369	92	19	and	and	CCONJ
ajst-11369	92	20	in	in	ADP
ajst-11369	92	21	serious	serious	ADJ
ajst-11369	92	22	cases	case	NOUN
ajst-11369	92	23	,	,	PUNCT
ajst-11369	92	24	it	it	PRON
ajst-11369	92	25	will	will	AUX
ajst-11369	92	26	cause	cause	VERB
ajst-11369	92	27	the	the	DET
ajst-11369	92	28	skin	skin	NOUN
ajst-11369	92	29	of	of	ADP
ajst-11369	92	30	drill	drill	NOUN
ajst-11369	92	31	pipe	pipe	NOUN
ajst-11369	92	32	joint	joint	NOUN
ajst-11369	92	33	to	to	PART
ajst-11369	92	34	peel	peel	VERB
ajst-11369	92	35	off	off	ADP
ajst-11369	92	36	and	and	CCONJ
ajst-11369	92	37	accelerate	accelerate	VERB
ajst-11369	92	38	the	the	DET
ajst-11369	92	39	corrosion	corrosion	NOUN
ajst-11369	92	40	of	of	ADP
ajst-11369	92	41	drill	drill	NOUN
ajst-11369	92	42	pipe	pipe	NOUN
ajst-11369	92	43	,	,	PUNCT
ajst-11369	92	44	therefore	therefore	ADV
ajst-11369	92	45	,	,	PUNCT
ajst-11369	92	46	it	it	PRON
ajst-11369	92	47	is	be	AUX
ajst-11369	92	48	especially	especially	ADV
ajst-11369	92	49	important	important	ADJ
ajst-11369	92	50	to	to	PART
ajst-11369	92	51	study	study	VERB
ajst-11369	92	52	the	the	DET
ajst-11369	92	53	influence	influence	NOUN
ajst-11369	92	54	of	of	ADP
ajst-11369	92	55	friction	friction	NOUN
ajst-11369	92	56	coefficient	coefficient	NOUN
ajst-11369	92	57	on	on	ADP
ajst-11369	92	58	the	the	DET
ajst-11369	92	59	process	process	NOUN
ajst-11369	92	60	of	of	ADP
ajst-11369	92	61	punching	punch	VERB
ajst-11369	92	62	buckle	buckle	NOUN
ajst-11369	92	63	clamp	clamp	NOUN
ajst-11369	92	64	.	.	PUNCT
ajst-11369	93	1	when	when	SCONJ
ajst-11369	93	2	the	the	DET
ajst-11369	93	3	upper	upper	ADJ
ajst-11369	93	4	buckling	buckle	VERB
ajst-11369	93	5	torque	torque	NOUN
ajst-11369	93	6	is	be	AUX
ajst-11369	93	7	certain	certain	ADJ
ajst-11369	93	8	,	,	PUNCT
ajst-11369	93	9	the	the	DET
ajst-11369	93	10	friction	friction	NOUN
ajst-11369	93	11	coefficient	coefficient	NOUN
ajst-11369	93	12	is	be	AUX
ajst-11369	93	13	0.15	0.15	NUM
ajst-11369	93	14	∽	∽	NUM
ajst-11369	93	15	0.3	0.3	NUM
ajst-11369	93	16	,	,	PUNCT
ajst-11369	93	17	and	and	CCONJ
ajst-11369	93	18	the	the	DET
ajst-11369	93	19	maximum	maximum	ADJ
ajst-11369	93	20	clamping	clamp	VERB
ajst-11369	93	21	force	force	NOUN
ajst-11369	93	22	of	of	ADP
ajst-11369	93	23	the	the	DET
ajst-11369	93	24	drill	drill	NOUN
ajst-11369	93	25	pipe	pipe	NOUN
ajst-11369	93	26	joint	joint	NOUN
ajst-11369	93	27	under	under	ADP
ajst-11369	93	28	different	different	ADJ
ajst-11369	93	29	friction	friction	NOUN
ajst-11369	93	30	coefficients	coefficient	NOUN
ajst-11369	93	31	is	be	AUX
ajst-11369	93	32	shown	show	VERB
ajst-11369	93	33	in	in	ADP
ajst-11369	93	34	figure	figure	NOUN
ajst-11369	93	35	11	11	NUM
ajst-11369	93	36	.	.	PUNCT
ajst-11369	94	1	figure	figure	VERB
ajst-11369	94	2	11	11	NUM
ajst-11369	94	3	.	.	PUNCT
ajst-11369	95	1	variation	variation	NOUN
ajst-11369	95	2	curve	curve	NOUN
ajst-11369	95	3	of	of	ADP
ajst-11369	95	4	stress	stress	NOUN
ajst-11369	95	5	with	with	ADP
ajst-11369	95	6	friction	friction	NOUN
ajst-11369	95	7	coefficient	coefficient	NOUN
ajst-11369	95	8	for	for	ADP
ajst-11369	95	9	different	different	ADJ
ajst-11369	95	10	clamping	clamping	NOUN
ajst-11369	95	11	force	force	NOUN
ajst-11369	95	12	as	as	SCONJ
ajst-11369	95	13	can	can	AUX
ajst-11369	95	14	be	be	AUX
ajst-11369	95	15	seen	see	VERB
ajst-11369	95	16	from	from	ADP
ajst-11369	95	17	fig	fig	NOUN
ajst-11369	95	18	.	.	PUNCT
ajst-11369	96	1	11	11	NUM
ajst-11369	96	2	,	,	PUNCT
ajst-11369	96	3	when	when	SCONJ
ajst-11369	96	4	the	the	DET
ajst-11369	96	5	upper	upper	ADJ
ajst-11369	96	6	buckling	buckle	VERB
ajst-11369	96	7	torque	torque	NOUN
ajst-11369	96	8	is	be	AUX
ajst-11369	96	9	a	a	DET
ajst-11369	96	10	constant	constant	ADJ
ajst-11369	96	11	value	value	NOUN
ajst-11369	96	12	,	,	PUNCT
ajst-11369	96	13	the	the	DET
ajst-11369	96	14	maximum	maximum	ADJ
ajst-11369	96	15	clamping	clamp	VERB
ajst-11369	96	16	force	force	NOUN
ajst-11369	96	17	of	of	ADP
ajst-11369	96	18	0	0	NUM
ajst-11369	96	19	100	100	NUM
ajst-11369	96	20	200	200	NUM
ajst-11369	96	21	300	300	NUM
ajst-11369	96	22	400	400	NUM
ajst-11369	96	23	500	500	NUM
ajst-11369	96	24	600	600	NUM
ajst-11369	96	25	0	0	NUM
ajst-11369	96	26	20	20	NUM
ajst-11369	96	27	40	40	NUM
ajst-11369	96	28	60	60	NUM
ajst-11369	96	29	80	80	NUM
ajst-11369	96	30	100	100	NUM
ajst-11369	96	31	vo	vo	NOUN
ajst-11369	96	32	nm	nm	PROPN
ajst-11369	96	33	is	be	AUX
ajst-11369	96	34	es	es	ADP
ajst-11369	96	35	pe	pe	PROPN
ajst-11369	96	36	ak	ak	PROPN
ajst-11369	96	37	s	s	PART
ajst-11369	96	38	tr	tr	VERB
ajst-11369	96	39	es	es	NOUN
ajst-11369	96	40	s/	s/	NUM
ajst-11369	97	1	m	m	PROPN
ajst-11369	98	1	pa	pa	PROPN
ajst-11369	98	2	upper	upper	ADJ
ajst-11369	98	3	buckling	buckling	NOUN
ajst-11369	98	4	torque/(kn.m	torque/(kn.m	NOUN
ajst-11369	98	5	)	)	PUNCT
ajst-11369	98	6	0	0	NUM
ajst-11369	98	7	200	200	NUM
ajst-11369	98	8	400	400	NUM
ajst-11369	98	9	600	600	NUM
ajst-11369	98	10	800	800	NUM
ajst-11369	98	11	1000	1000	NUM
ajst-11369	98	12	1200	1200	NUM
ajst-11369	98	13	1400	1400	NUM
ajst-11369	98	14	0.15	0.15	NUM
ajst-11369	98	15	0.18	0.18	NUM
ajst-11369	98	16	0.21	0.21	NUM
ajst-11369	98	17	0.24	0.24	NUM
ajst-11369	98	18	0.27	0.27	NUM
ajst-11369	98	19	0.3	0.3	NUM
ajst-11369	98	20	m	m	NOUN
ajst-11369	98	21	ax	ax	NOUN
ajst-11369	98	22	.c	.c	PROPN
ajst-11369	99	1	la	la	PROPN
ajst-11369	99	2	m	m	PROPN
ajst-11369	99	3	pi	pi	PROPN
ajst-11369	99	4	m	m	PROPN
ajst-11369	99	5	ng	ng	PROPN
ajst-11369	100	1	fo	fo	INTJ
ajst-11369	100	2	rc	rc	PROPN
ajst-11369	100	3	e/	e/	PROPN
ajst-11369	100	4	kn	kn	PROPN
ajst-11369	100	5	friction	friction	PROPN
ajst-11369	100	6	coefficient	coefficient	NOUN
ajst-11369	100	7	205	205	NUM
ajst-11369	100	8	the	the	DET
ajst-11369	100	9	drill	drill	NOUN
ajst-11369	100	10	pipe	pipe	NOUN
ajst-11369	100	11	joint	joint	NOUN
ajst-11369	100	12	decreases	decrease	NOUN
ajst-11369	100	13	with	with	ADP
ajst-11369	100	14	the	the	DET
ajst-11369	100	15	increase	increase	NOUN
ajst-11369	100	16	of	of	ADP
ajst-11369	100	17	the	the	DET
ajst-11369	100	18	friction	friction	NOUN
ajst-11369	100	19	coefficient	coefficient	NOUN
ajst-11369	100	20	,	,	PUNCT
ajst-11369	100	21	and	and	CCONJ
ajst-11369	100	22	the	the	DET
ajst-11369	100	23	red	red	ADJ
ajst-11369	100	24	dotted	dot	VERB
ajst-11369	100	25	line	line	NOUN
ajst-11369	100	26	is	be	AUX
ajst-11369	100	27	the	the	DET
ajst-11369	100	28	trend	trend	NOUN
ajst-11369	100	29	of	of	ADP
ajst-11369	100	30	the	the	DET
ajst-11369	100	31	fitted	fit	VERB
ajst-11369	100	32	curve	curve	NOUN
ajst-11369	100	33	,	,	PUNCT
ajst-11369	100	34	which	which	PRON
ajst-11369	100	35	is	be	AUX
ajst-11369	100	36	a	a	DET
ajst-11369	100	37	linear	linear	ADJ
ajst-11369	100	38	relationship	relationship	NOUN
ajst-11369	100	39	.	.	PUNCT
ajst-11369	101	1	the	the	DET
ajst-11369	101	2	reason	reason	NOUN
ajst-11369	101	3	for	for	ADP
ajst-11369	101	4	this	this	PRON
ajst-11369	101	5	is	be	AUX
ajst-11369	101	6	that	that	SCONJ
ajst-11369	101	7	the	the	DET
ajst-11369	101	8	upward	upward	ADJ
ajst-11369	101	9	buckling	buckling	NOUN
ajst-11369	101	10	of	of	ADP
ajst-11369	101	11	the	the	DET
ajst-11369	101	12	punching	punching	NOUN
ajst-11369	101	13	pliers	plier	NOUN
ajst-11369	101	14	needs	need	VERB
ajst-11369	101	15	to	to	PART
ajst-11369	101	16	reach	reach	VERB
ajst-11369	101	17	the	the	DET
ajst-11369	101	18	rated	rate	VERB
ajst-11369	101	19	torque	torque	NOUN
ajst-11369	101	20	,	,	PUNCT
ajst-11369	101	21	and	and	CCONJ
ajst-11369	101	22	the	the	DET
ajst-11369	101	23	torque	torque	NOUN
ajst-11369	101	24	of	of	ADP
ajst-11369	101	25	the	the	DET
ajst-11369	101	26	punching	punching	NOUN
ajst-11369	101	27	pliers	plier	NOUN
ajst-11369	101	28	is	be	AUX
ajst-11369	101	29	the	the	DET
ajst-11369	101	30	sum	sum	NOUN
ajst-11369	101	31	of	of	ADP
ajst-11369	101	32	the	the	DET
ajst-11369	101	33	friction	friction	NOUN
ajst-11369	101	34	between	between	ADP
ajst-11369	101	35	the	the	DET
ajst-11369	101	36	four	four	NUM
ajst-11369	101	37	jaws	jaw	NOUN
ajst-11369	101	38	and	and	CCONJ
ajst-11369	101	39	the	the	DET
ajst-11369	101	40	drill	drill	NOUN
ajst-11369	101	41	pipe	pipe	NOUN
ajst-11369	101	42	joint	joint	NOUN
ajst-11369	101	43	;	;	PUNCT
ajst-11369	101	44	when	when	SCONJ
ajst-11369	101	45	the	the	DET
ajst-11369	101	46	torque	torque	NOUN
ajst-11369	101	47	is	be	AUX
ajst-11369	101	48	certain	certain	ADJ
ajst-11369	101	49	,	,	PUNCT
ajst-11369	101	50	the	the	DET
ajst-11369	101	51	friction	friction	NOUN
ajst-11369	101	52	coefficient	coefficient	NOUN
ajst-11369	101	53	is	be	AUX
ajst-11369	101	54	inversely	inversely	ADV
ajst-11369	101	55	proportional	proportional	ADJ
ajst-11369	101	56	to	to	ADP
ajst-11369	101	57	the	the	DET
ajst-11369	101	58	maximum	maximum	ADJ
ajst-11369	101	59	clamping	clamp	VERB
ajst-11369	101	60	force	force	NOUN
ajst-11369	101	61	.	.	PUNCT
ajst-11369	102	1	therefore	therefore	ADV
ajst-11369	102	2	,	,	PUNCT
ajst-11369	102	3	a	a	DET
ajst-11369	102	4	suitable	suitable	ADJ
ajst-11369	102	5	friction	friction	NOUN
ajst-11369	102	6	coefficient	coefficient	NOUN
ajst-11369	102	7	can	can	AUX
ajst-11369	102	8	reduce	reduce	VERB
ajst-11369	102	9	the	the	DET
ajst-11369	102	10	output	output	NOUN
ajst-11369	102	11	of	of	ADP
ajst-11369	102	12	clamping	clamp	VERB
ajst-11369	102	13	force	force	NOUN
ajst-11369	102	14	,	,	PUNCT
ajst-11369	102	15	reduce	reduce	VERB
ajst-11369	102	16	the	the	DET
ajst-11369	102	17	power	power	NOUN
ajst-11369	102	18	cost	cost	NOUN
ajst-11369	102	19	and	and	CCONJ
ajst-11369	102	20	improve	improve	VERB
ajst-11369	102	21	the	the	DET
ajst-11369	102	22	buckling	buckle	VERB
ajst-11369	102	23	efficiency	efficiency	NOUN
ajst-11369	102	24	.	.	PUNCT
ajst-11369	103	1	4	4	X
ajst-11369	103	2	.	.	X
ajst-11369	103	3	conclusion	conclusion	NOUN
ajst-11369	103	4	in	in	ADP
ajst-11369	103	5	this	this	DET
ajst-11369	103	6	paper	paper	NOUN
ajst-11369	103	7	,	,	PUNCT
ajst-11369	103	8	the	the	DET
ajst-11369	103	9	stress	stress	NOUN
ajst-11369	103	10	distribution	distribution	NOUN
ajst-11369	103	11	law	law	NOUN
ajst-11369	103	12	of	of	ADP
ajst-11369	103	13	drill	drill	NOUN
ajst-11369	103	14	pipe	pipe	NOUN
ajst-11369	103	15	joints	joint	NOUN
ajst-11369	103	16	under	under	ADP
ajst-11369	103	17	the	the	DET
ajst-11369	103	18	clamping	clamp	VERB
ajst-11369	103	19	teeth	tooth	NOUN
ajst-11369	103	20	loading	loading	NOUN
ajst-11369	103	21	and	and	CCONJ
ajst-11369	103	22	rotation	rotation	NOUN
ajst-11369	103	23	state	state	NOUN
ajst-11369	103	24	is	be	AUX
ajst-11369	103	25	studied	study	VERB
ajst-11369	103	26	.	.	PUNCT
ajst-11369	104	1	the	the	DET
ajst-11369	104	2	following	follow	VERB
ajst-11369	104	3	understanding	understanding	NOUN
ajst-11369	104	4	can	can	AUX
ajst-11369	104	5	be	be	AUX
ajst-11369	104	6	analyzed	analyze	VERB
ajst-11369	104	7	(	(	PUNCT
ajst-11369	104	8	1	1	X
ajst-11369	104	9	)	)	PUNCT
ajst-11369	104	10	the	the	DET
ajst-11369	104	11	stress	stress	NOUN
ajst-11369	104	12	of	of	ADP
ajst-11369	104	13	the	the	DET
ajst-11369	104	14	drill	drill	NOUN
ajst-11369	104	15	pipe	pipe	NOUN
ajst-11369	104	16	joint	joint	NOUN
ajst-11369	104	17	is	be	AUX
ajst-11369	104	18	mainly	mainly	ADV
ajst-11369	104	19	distributed	distribute	VERB
ajst-11369	104	20	in	in	ADP
ajst-11369	104	21	the	the	DET
ajst-11369	104	22	contact	contact	NOUN
ajst-11369	104	23	position	position	NOUN
ajst-11369	104	24	between	between	ADP
ajst-11369	104	25	the	the	DET
ajst-11369	104	26	clamping	clamp	VERB
ajst-11369	104	27	teeth	tooth	NOUN
ajst-11369	104	28	and	and	CCONJ
ajst-11369	104	29	the	the	DET
ajst-11369	104	30	drill	drill	NOUN
ajst-11369	104	31	pipe	pipe	NOUN
ajst-11369	104	32	joint	joint	NOUN
ajst-11369	104	33	,	,	PUNCT
ajst-11369	104	34	and	and	CCONJ
ajst-11369	104	35	in	in	ADP
ajst-11369	104	36	the	the	DET
ajst-11369	104	37	process	process	NOUN
ajst-11369	104	38	of	of	ADP
ajst-11369	104	39	rotation	rotation	NOUN
ajst-11369	104	40	of	of	ADP
ajst-11369	104	41	the	the	DET
ajst-11369	104	42	drill	drill	NOUN
ajst-11369	104	43	pipe	pipe	NOUN
ajst-11369	104	44	joint	joint	NOUN
ajst-11369	104	45	driven	drive	VERB
ajst-11369	104	46	by	by	ADP
ajst-11369	104	47	the	the	DET
ajst-11369	104	48	clamping	clamp	VERB
ajst-11369	104	49	teeth	tooth	NOUN
ajst-11369	104	50	,	,	PUNCT
ajst-11369	104	51	the	the	DET
ajst-11369	104	52	maximum	maximum	ADJ
ajst-11369	104	53	stress	stress	NOUN
ajst-11369	104	54	of	of	ADP
ajst-11369	104	55	the	the	DET
ajst-11369	104	56	drill	drill	NOUN
ajst-11369	104	57	pipe	pipe	NOUN
ajst-11369	104	58	joint	joint	PROPN
ajst-11369	104	59	von	von	PROPN
ajst-11369	104	60	-	-	PUNCT
ajst-11369	104	61	mises	mises	PROPN
ajst-11369	104	62	basically	basically	ADV
ajst-11369	104	63	shows	show	VERB
ajst-11369	104	64	an	an	DET
ajst-11369	104	65	increasing	increase	VERB
ajst-11369	104	66	trend	trend	NOUN
ajst-11369	104	67	,	,	PUNCT
ajst-11369	104	68	which	which	PRON
ajst-11369	104	69	is	be	AUX
ajst-11369	104	70	due	due	ADJ
ajst-11369	104	71	to	to	ADP
ajst-11369	104	72	the	the	DET
ajst-11369	104	73	fact	fact	NOUN
ajst-11369	104	74	that	that	SCONJ
ajst-11369	104	75	,	,	PUNCT
ajst-11369	104	76	the	the	DET
ajst-11369	104	77	upper	upper	ADJ
ajst-11369	104	78	button	button	NOUN
ajst-11369	104	79	torque	torque	NOUN
ajst-11369	104	80	of	of	ADP
ajst-11369	104	81	the	the	DET
ajst-11369	104	82	upper	upper	ADJ
ajst-11369	104	83	button	button	NOUN
ajst-11369	104	84	process	process	NOUN
ajst-11369	104	85	increases	increase	VERB
ajst-11369	104	86	with	with	ADP
ajst-11369	104	87	the	the	DET
ajst-11369	104	88	increase	increase	NOUN
ajst-11369	104	89	of	of	ADP
ajst-11369	104	90	the	the	DET
ajst-11369	104	91	clamping	clamp	VERB
ajst-11369	104	92	force	force	NOUN
ajst-11369	104	93	of	of	ADP
ajst-11369	104	94	the	the	DET
ajst-11369	104	95	punch	punch	NOUN
ajst-11369	104	96	button	button	NOUN
ajst-11369	104	97	pliers	plier	NOUN
ajst-11369	104	98	,	,	PUNCT
ajst-11369	104	99	and	and	CCONJ
ajst-11369	104	100	the	the	DET
ajst-11369	104	101	stress	stress	NOUN
ajst-11369	104	102	of	of	ADP
ajst-11369	104	103	the	the	DET
ajst-11369	104	104	joint	joint	NOUN
ajst-11369	104	105	of	of	ADP
ajst-11369	104	106	the	the	DET
ajst-11369	104	107	drill	drill	NOUN
ajst-11369	104	108	pipe	pipe	NOUN
ajst-11369	104	109	gradually	gradually	ADV
ajst-11369	104	110	increases	increase	VERB
ajst-11369	104	111	.	.	PUNCT
ajst-11369	105	1	(	(	PUNCT
ajst-11369	105	2	2	2	X
ajst-11369	105	3	)	)	PUNCT
ajst-11369	105	4	when	when	SCONJ
ajst-11369	105	5	the	the	DET
ajst-11369	105	6	contact	contact	NOUN
ajst-11369	105	7	friction	friction	NOUN
ajst-11369	105	8	coefficient	coefficient	NOUN
ajst-11369	105	9	between	between	ADP
ajst-11369	105	10	the	the	DET
ajst-11369	105	11	jaw	jaw	NOUN
ajst-11369	105	12	teeth	tooth	NOUN
ajst-11369	105	13	and	and	CCONJ
ajst-11369	105	14	the	the	DET
ajst-11369	105	15	drill	drill	NOUN
ajst-11369	105	16	pipe	pipe	NOUN
ajst-11369	105	17	joint	joint	NOUN
ajst-11369	105	18	is	be	AUX
ajst-11369	105	19	0.15	0.15	NUM
ajst-11369	105	20	,	,	PUNCT
ajst-11369	105	21	the	the	DET
ajst-11369	105	22	up	up	ADV
ajst-11369	105	23	-	-	PUNCT
ajst-11369	105	24	buckling	buckle	VERB
ajst-11369	105	25	operation	operation	NOUN
ajst-11369	105	26	is	be	AUX
ajst-11369	105	27	completed	complete	VERB
ajst-11369	105	28	by	by	ADP
ajst-11369	105	29	increasing	increase	VERB
ajst-11369	105	30	the	the	DET
ajst-11369	105	31	up	up	ADV
ajst-11369	105	32	-	-	PUNCT
ajst-11369	105	33	buckling	buckle	VERB
ajst-11369	105	34	torque	torque	NOUN
ajst-11369	105	35	.	.	PUNCT
ajst-11369	106	1	when	when	SCONJ
ajst-11369	106	2	the	the	DET
ajst-11369	106	3	up	up	ADV
ajst-11369	106	4	-	-	PUNCT
ajst-11369	106	5	buckling	buckle	VERB
ajst-11369	106	6	torque	torque	NOUN
ajst-11369	106	7	increases	increase	NOUN
ajst-11369	106	8	to	to	ADP
ajst-11369	106	9	81.9kn.m	81.9kn.m	NUM
ajst-11369	106	10	,	,	PUNCT
ajst-11369	106	11	the	the	DET
ajst-11369	106	12	drill	drill	NOUN
ajst-11369	106	13	pipe	pipe	NOUN
ajst-11369	106	14	reaches	reach	VERB
ajst-11369	106	15	the	the	DET
ajst-11369	106	16	yield	yield	NOUN
ajst-11369	106	17	strength	strength	NOUN
ajst-11369	106	18	value	value	NOUN
ajst-11369	106	19	,	,	PUNCT
ajst-11369	106	20	i.e.	i.e.	X
ajst-11369	106	21	,	,	PUNCT
ajst-11369	106	22	the	the	DET
ajst-11369	106	23	maximum	maximum	ADJ
ajst-11369	106	24	upbuckling	upbuckling	ADJ
ajst-11369	106	25	torque	torque	NOUN
ajst-11369	106	26	of	of	ADP
ajst-11369	106	27	the	the	DET
ajst-11369	106	28	drill	drill	NOUN
ajst-11369	106	29	pipe	pipe	NOUN
ajst-11369	106	30	is	be	AUX
ajst-11369	106	31	81.9kn.m	81.9kn.m	NUM
ajst-11369	106	32	.	.	PUNCT
ajst-11369	107	1	at	at	ADP
ajst-11369	107	2	this	this	DET
ajst-11369	107	3	time	time	NOUN
ajst-11369	107	4	,	,	PUNCT
ajst-11369	107	5	the	the	DET
ajst-11369	107	6	maximum	maximum	ADJ
ajst-11369	107	7	clamping	clamp	VERB
ajst-11369	107	8	force	force	NOUN
ajst-11369	107	9	of	of	ADP
ajst-11369	107	10	the	the	DET
ajst-11369	107	11	drill	drill	NOUN
ajst-11369	107	12	pipe	pipe	NOUN
ajst-11369	107	13	joint	joint	NOUN
ajst-11369	107	14	is	be	AUX
ajst-11369	107	15	1,200kn	1,200kn	NUM
ajst-11369	107	16	.	.	PUNCT
ajst-11369	108	1	(	(	PUNCT
ajst-11369	108	2	3	3	X
ajst-11369	108	3	)	)	PUNCT
ajst-11369	108	4	when	when	SCONJ
ajst-11369	108	5	the	the	DET
ajst-11369	108	6	upper	upper	ADJ
ajst-11369	108	7	buckling	buckle	VERB
ajst-11369	108	8	torque	torque	NOUN
ajst-11369	108	9	is	be	AUX
ajst-11369	108	10	a	a	DET
ajst-11369	108	11	fixed	fix	VERB
ajst-11369	108	12	value	value	NOUN
ajst-11369	108	13	,	,	PUNCT
ajst-11369	108	14	the	the	DET
ajst-11369	108	15	maximum	maximum	ADJ
ajst-11369	108	16	clamping	clamp	VERB
ajst-11369	108	17	force	force	NOUN
ajst-11369	108	18	of	of	ADP
ajst-11369	108	19	the	the	DET
ajst-11369	108	20	drill	drill	NOUN
ajst-11369	108	21	pipe	pipe	NOUN
ajst-11369	108	22	joint	joint	NOUN
ajst-11369	108	23	decreases	decrease	NOUN
ajst-11369	108	24	with	with	ADP
ajst-11369	108	25	the	the	DET
ajst-11369	108	26	increase	increase	NOUN
ajst-11369	108	27	of	of	ADP
ajst-11369	108	28	the	the	DET
ajst-11369	108	29	friction	friction	NOUN
ajst-11369	108	30	coefficient	coefficient	NOUN
ajst-11369	108	31	,	,	PUNCT
ajst-11369	108	32	and	and	CCONJ
ajst-11369	108	33	the	the	DET
ajst-11369	108	34	friction	friction	NOUN
ajst-11369	108	35	coefficient	coefficient	NOUN
ajst-11369	108	36	is	be	AUX
ajst-11369	108	37	inversely	inversely	ADV
ajst-11369	108	38	proportional	proportional	ADJ
ajst-11369	108	39	to	to	ADP
ajst-11369	108	40	the	the	DET
ajst-11369	108	41	maximum	maximum	ADJ
ajst-11369	108	42	clamping	clamp	VERB
ajst-11369	108	43	force	force	NOUN
ajst-11369	108	44	.	.	PUNCT
ajst-11369	109	1	therefore	therefore	ADV
ajst-11369	109	2	,	,	PUNCT
ajst-11369	109	3	increasing	increase	VERB
ajst-11369	109	4	the	the	DET
ajst-11369	109	5	friction	friction	NOUN
ajst-11369	109	6	coefficient	coefficient	NOUN
ajst-11369	109	7	will	will	AUX
ajst-11369	109	8	reduce	reduce	VERB
ajst-11369	109	9	the	the	DET
ajst-11369	109	10	size	size	NOUN
ajst-11369	109	11	of	of	ADP
ajst-11369	109	12	clamping	clamp	VERB
ajst-11369	109	13	force	force	NOUN
ajst-11369	109	14	and	and	CCONJ
ajst-11369	109	15	power	power	NOUN
ajst-11369	109	16	cost	cost	NOUN
ajst-11369	109	17	,	,	PUNCT
ajst-11369	109	18	which	which	PRON
ajst-11369	109	19	can	can	AUX
ajst-11369	109	20	provide	provide	VERB
ajst-11369	109	21	a	a	DET
ajst-11369	109	22	reference	reference	NOUN
ajst-11369	109	23	basis	basis	NOUN
ajst-11369	109	24	for	for	ADP
ajst-11369	109	25	the	the	DET
ajst-11369	109	26	actual	actual	ADJ
ajst-11369	109	27	operating	operating	NOUN
ajst-11369	109	28	conditions	condition	NOUN
ajst-11369	109	29	.	.	PUNCT
ajst-11369	110	1	references	reference	NOUN
ajst-11369	110	2	[	[	X
ajst-11369	110	3	1	1	NUM
ajst-11369	110	4	]	]	X
ajst-11369	110	5	guo	guo	PROPN
ajst-11369	110	6	litong	litong	PROPN
ajst-11369	110	7	.	.	PUNCT
ajst-11369	111	1	design	design	NOUN
ajst-11369	111	2	of	of	ADP
ajst-11369	111	3	iron	iron	NOUN
ajst-11369	111	4	driller	driller	NOUN
ajst-11369	111	5	's	's	PART
ajst-11369	111	6	punching	punching	NOUN
ajst-11369	111	7	and	and	CCONJ
ajst-11369	111	8	buckling	buckle	VERB
ajst-11369	111	9	clamp	clamp	NOUN
ajst-11369	111	10	mechanism	mechanism	NOUN
ajst-11369	111	11	and	and	CCONJ
ajst-11369	111	12	analysis	analysis	NOUN
ajst-11369	111	13	of	of	ADP
ajst-11369	111	14	pipe	pipe	NOUN
ajst-11369	111	15	column	column	NOUN
ajst-11369	111	16	clamping	clamp	VERB
ajst-11369	111	17	kinematics	kinematic	NOUN
ajst-11369	112	1	[	[	X
ajst-11369	112	2	d	d	X
ajst-11369	112	3	]	]	X
ajst-11369	112	4	.	.	PUNCT
ajst-11369	113	1	xi'an	xi'an	PROPN
ajst-11369	113	2	petroleum	petroleum	PROPN
ajst-11369	113	3	university	university	PROPN
ajst-11369	113	4	,	,	PUNCT
ajst-11369	113	5	2019	2019	NUM
ajst-11369	113	6	.	.	PUNCT
ajst-11369	114	1	[	[	X
ajst-11369	114	2	2	2	X
ajst-11369	114	3	]	]	PUNCT
ajst-11369	114	4	ibrahmi	ibrahmi	NOUN
ajst-11369	114	5	a	a	PRON
ajst-11369	114	6	,	,	PUNCT
ajst-11369	114	7	hbaieb	hbaieb	PROPN
ajst-11369	114	8	m	m	PROPN
ajst-11369	114	9	,	,	PUNCT
ajst-11369	114	10	krichen	krichen	X
ajst-11369	114	11	a.	a.	PROPN
ajst-11369	114	12	experimental	experimental	PROPN
ajst-11369	114	13	study	study	NOUN
ajst-11369	114	14	of	of	ADP
ajst-11369	114	15	the	the	DET
ajst-11369	114	16	effect	effect	NOUN
ajst-11369	114	17	of	of	ADP
ajst-11369	114	18	the	the	DET
ajst-11369	114	19	threading	threading	NOUN
ajst-11369	114	20	process	process	NOUN
ajst-11369	114	21	on	on	ADP
ajst-11369	114	22	the	the	DET
ajst-11369	114	23	mechanical	mechanical	ADJ
ajst-11369	114	24	and	and	CCONJ
ajst-11369	114	25	tribological	tribological	ADJ
ajst-11369	114	26	behaviors	behavior	NOUN
ajst-11369	114	27	of	of	ADP
ajst-11369	114	28	the	the	DET
ajst-11369	114	29	triangular	triangular	NOUN
ajst-11369	114	30	thread[j	thread[j	PROPN
ajst-11369	114	31	]	]	PUNCT
ajst-11369	114	32	.	.	PUNCT
ajst-11369	115	1	international	international	ADJ
ajst-11369	115	2	journal	journal	PROPN
ajst-11369	115	3	of	of	ADP
ajst-11369	115	4	advanced	advanced	ADJ
ajst-11369	115	5	manufacturing	manufacturing	NOUN
ajst-11369	115	6	technology	technology	NOUN
ajst-11369	115	7	,	,	PUNCT
ajst-11369	115	8	2017,88(14):269	2017,88(14):269	NUM
ajst-11369	115	9	-	-	SYM
ajst-11369	115	10	276	276	NUM
ajst-11369	115	11	.	.	PUNCT
ajst-11369	116	1	[	[	X
ajst-11369	116	2	3	3	X
ajst-11369	116	3	]	]	X
ajst-11369	116	4	abd	abd	PROPN
ajst-11369	116	5	-	-	PROPN
ajst-11369	116	6	elhady	elhady	PROPN
ajst-11369	116	7	a	a	DET
ajst-11369	116	8	a.	a.	NOUN
ajst-11369	116	9	effect	effect	NOUN
ajst-11369	116	10	of	of	ADP
ajst-11369	116	11	clamping	clamp	VERB
ajst-11369	116	12	force	force	NOUN
ajst-11369	116	13	and	and	CCONJ
ajst-11369	116	14	coefficient	coefficient	NOUN
ajst-11369	116	15	of	of	ADP
ajst-11369	116	16	friction	friction	NOUN
ajst-11369	116	17	on	on	ADP
ajst-11369	116	18	the	the	DET
ajst-11369	116	19	elastic	elastic	ADJ
ajst-11369	116	20	-	-	PUNCT
ajst-11369	116	21	plastic	plastic	NOUN
ajst-11369	116	22	behavior	behavior	NOUN
ajst-11369	116	23	of	of	ADP
ajst-11369	116	24	cracked	cracked	NOUN
ajst-11369	116	25	bolted	bolt	VERB
ajst-11369	116	26	joint[j	joint[j	PRON
ajst-11369	116	27	]	]	PUNCT
ajst-11369	116	28	.	.	PUNCT
ajst-11369	117	1	ain	ain	PROPN
ajst-11369	117	2	shams	sham	VERB
ajst-11369	117	3	engineering	engineering	NOUN
ajst-11369	117	4	journal	journal	NOUN
ajst-11369	117	5	,	,	PUNCT
ajst-11369	117	6	2018	2018	NUM
ajst-11369	117	7	,	,	PUNCT
ajst-11369	117	8	9(4):3113	9(4):3113	NUM
ajst-11369	117	9	-	-	SYM
ajst-11369	117	10	3122	3122	NUM
ajst-11369	117	11	.	.	PUNCT
ajst-11369	118	1	[	[	X
ajst-11369	118	2	4	4	X
ajst-11369	118	3	]	]	X
ajst-11369	118	4	yan	yan	PROPN
ajst-11369	118	5	w	w	PROPN
ajst-11369	118	6	,	,	PUNCT
ajst-11369	118	7	xie	xie	PROPN
ajst-11369	118	8	d	d	PROPN
ajst-11369	118	9	,	,	PUNCT
ajst-11369	118	10	guo	guo	PROPN
ajst-11369	118	11	l	l	PROPN
ajst-11369	118	12	,	,	PUNCT
ajst-11369	118	13	et	et	PROPN
ajst-11369	118	14	al	al	PROPN
ajst-11369	118	15	.	.	PROPN
ajst-11369	118	16	design	design	NOUN
ajst-11369	118	17	and	and	CCONJ
ajst-11369	118	18	analysis	analysis	NOUN
ajst-11369	118	19	of	of	ADP
ajst-11369	118	20	iron	iron	NOUN
ajst-11369	118	21	roughneck	roughneck	NOUN
ajst-11369	118	22	non	non	ADJ
ajst-11369	118	23	-	-	ADJ
ajst-11369	118	24	clamp	clamp	ADJ
ajst-11369	118	25	-	-	PUNCT
ajst-11369	118	26	tooth	tooth	NOUN
ajst-11369	118	27	clamping	clamp	VERB
ajst-11369	118	28	mechanism[j	mechanism[j	NOUN
ajst-11369	118	29	]	]	PUNCT
ajst-11369	118	30	.	.	PUNCT
ajst-11369	119	1	journal	journal	PROPN
ajst-11369	119	2	of	of	ADP
ajst-11369	119	3	physics	physics	PROPN
ajst-11369	119	4	:	:	PUNCT
ajst-11369	119	5	conference	conference	NOUN
ajst-11369	119	6	series	series	NOUN
ajst-11369	119	7	,	,	PUNCT
ajst-11369	119	8	2020	2020	NUM
ajst-11369	119	9	,	,	PUNCT
ajst-11369	119	10	1653	1653	NUM
ajst-11369	119	11	(	(	PUNCT
ajst-11369	119	12	1	1	NUM
ajst-11369	119	13	):	):	PUNCT
ajst-11369	119	14	31	31	NUM
ajst-11369	119	15	-	-	SYM
ajst-11369	119	16	39	39	NUM
ajst-11369	119	17	.	.	PUNCT
ajst-11369	120	1	[	[	X
ajst-11369	120	2	5	5	NUM
ajst-11369	120	3	]	]	PUNCT
ajst-11369	120	4	yu	yu	PROPN
ajst-11369	120	5	zhi	zhi	PROPN
ajst-11369	120	6	,	,	PUNCT
ajst-11369	120	7	zhang	zhang	PROPN
ajst-11369	120	8	le	le	PROPN
ajst-11369	120	9	.	.	PUNCT
ajst-11369	121	1	analysis	analysis	NOUN
ajst-11369	121	2	of	of	ADP
ajst-11369	121	3	the	the	DET
ajst-11369	121	4	effect	effect	NOUN
ajst-11369	121	5	of	of	ADP
ajst-11369	121	6	clamping	clamp	VERB
ajst-11369	121	7	force	force	NOUN
ajst-11369	121	8	on	on	ADP
ajst-11369	121	9	threaded	thread	VERB
ajst-11369	121	10	joints	joint	NOUN
ajst-11369	121	11	in	in	ADP
ajst-11369	121	12	the	the	DET
ajst-11369	121	13	upper	upper	ADJ
ajst-11369	121	14	unloading	unloading	NOUN
ajst-11369	121	15	buckle	buckle	NOUN
ajst-11369	121	16	test[j	test[j	NOUN
ajst-11369	121	17	]	]	PUNCT
ajst-11369	121	18	.	.	PUNCT
ajst-11369	122	1	china	china	PROPN
ajst-11369	122	2	petroleum	petroleum	PROPN
ajst-11369	122	3	and	and	CCONJ
ajst-11369	122	4	chemical	chemical	NOUN
ajst-11369	122	5	standards	standard	NOUN
ajst-11369	122	6	and	and	CCONJ
ajst-11369	122	7	quality	quality	NOUN
ajst-11369	122	8	,	,	PUNCT
ajst-11369	122	9	2020	2020	NUM
ajst-11369	122	10	,	,	PUNCT
ajst-11369	122	11	40(18	40(18	NUM
ajst-11369	122	12	):	):	PUNCT
ajst-11369	122	13	53	53	NUM
ajst-11369	122	14	-	-	SYM
ajst-11369	122	15	55	55	NUM
ajst-11369	122	16	.	.	PUNCT
ajst-11369	123	1	[	[	X
ajst-11369	123	2	6	6	NUM
ajst-11369	123	3	]	]	PUNCT
ajst-11369	123	4	wu	wu	PROPN
ajst-11369	123	5	xiangshi	xiangshi	PROPN
ajst-11369	123	6	,	,	PUNCT
ajst-11369	123	7	gao	gao	PROPN
ajst-11369	123	8	lianxin	lianxin	PROPN
ajst-11369	123	9	,	,	PUNCT
ajst-11369	123	10	yuan	yuan	NOUN
ajst-11369	123	11	pengbin	pengbin	NOUN
ajst-11369	123	12	.	.	PUNCT
ajst-11369	124	1	research	research	NOUN
ajst-11369	124	2	on	on	ADP
ajst-11369	124	3	the	the	DET
ajst-11369	124	4	calculation	calculation	NOUN
ajst-11369	124	5	method	method	NOUN
ajst-11369	124	6	of	of	ADP
ajst-11369	124	7	buckling	buckle	VERB
ajst-11369	124	8	torque	torque	NOUN
ajst-11369	124	9	on	on	ADP
ajst-11369	124	10	joints	joint	NOUN
ajst-11369	124	11	of	of	ADP
ajst-11369	124	12	oil	oil	NOUN
ajst-11369	124	13	drill	drill	NOUN
ajst-11369	124	14	pipe[j	pipe[j	NOUN
ajst-11369	124	15	]	]	PUNCT
ajst-11369	124	16	.	.	PUNCT
ajst-11369	125	1	drilling	drilling	NOUN
ajst-11369	125	2	process	process	NOUN
ajst-11369	125	3	,	,	PUNCT
ajst-11369	125	4	2017,40(02):67	2017,40(02):67	PROPN
ajst-11369	125	5	-	-	SYM
ajst-11369	125	6	70	70	NUM
ajst-11369	125	7	.	.	PUNCT
ajst-11369	126	1	[	[	X
ajst-11369	126	2	7	7	X
ajst-11369	126	3	]	]	X
ajst-11369	126	4	pei	pei	PROPN
ajst-11369	126	5	junfeng	junfeng	PROPN
ajst-11369	126	6	,	,	PUNCT
ajst-11369	126	7	song	song	PROPN
ajst-11369	126	8	chuanzhi	chuanzhi	PROPN
ajst-11369	126	9	,	,	PUNCT
ajst-11369	126	10	liu	liu	PROPN
ajst-11369	126	11	zhigang	zhigang	PROPN
ajst-11369	126	12	,	,	PUNCT
ajst-11369	126	13	et	et	PROPN
ajst-11369	126	14	al	al	PROPN
ajst-11369	126	15	.	.	PROPN
ajst-11369	126	16	parameter	parameter	PROPN
ajst-11369	126	17	analysis	analysis	NOUN
ajst-11369	126	18	and	and	CCONJ
ajst-11369	126	19	optimization	optimization	NOUN
ajst-11369	126	20	of	of	ADP
ajst-11369	126	21	the	the	DET
ajst-11369	126	22	teeth	tooth	NOUN
ajst-11369	126	23	of	of	ADP
ajst-11369	126	24	iron	iron	NOUN
ajst-11369	126	25	driller	driller	NOUN
ajst-11369	126	26	's	's	PART
ajst-11369	126	27	punch	punch	NOUN
ajst-11369	126	28	clamp[j	clamp[j	NOUN
ajst-11369	126	29	]	]	PUNCT
ajst-11369	126	30	.	.	PUNCT
ajst-11369	127	1	mechanical	mechanical	ADJ
ajst-11369	127	2	strength	strength	NOUN
ajst-11369	127	3	,	,	PUNCT
ajst-11369	127	4	2019,41(05):1096	2019,41(05):1096	NUM
ajst-11369	127	5	-	-	SYM
ajst-11369	127	6	1104	1104	NUM
ajst-11369	127	7	.	.	PUNCT
ajst-11369	128	1	[	[	X
ajst-11369	128	2	8	8	NUM
ajst-11369	128	3	]	]	X
ajst-11369	128	4	yan	yan	PROPN
ajst-11369	128	5	wenhui	wenhui	PROPN
ajst-11369	128	6	,	,	PUNCT
ajst-11369	128	7	guo	guo	PROPN
ajst-11369	128	8	litong	litong	PROPN
ajst-11369	128	9	,	,	PUNCT
ajst-11369	128	10	peng	peng	PROPN
ajst-11369	128	11	yong	yong	PROPN
ajst-11369	128	12	,	,	PUNCT
ajst-11369	128	13	et	et	PROPN
ajst-11369	128	14	al	al	PROPN
ajst-11369	128	15	.	.	PROPN
ajst-11369	128	16	sensitivity	sensitivity	NOUN
ajst-11369	128	17	analysis	analysis	NOUN
ajst-11369	128	18	of	of	ADP
ajst-11369	128	19	jaw	jaw	NOUN
ajst-11369	128	20	parameters	parameter	NOUN
ajst-11369	128	21	of	of	ADP
ajst-11369	128	22	iron	iron	NOUN
ajst-11369	128	23	driller	driller	NOUN
ajst-11369	128	24	's	's	PART
ajst-11369	128	25	punch	punch	NOUN
ajst-11369	128	26	clamp[j	clamp[j	NOUN
ajst-11369	128	27	]	]	PUNCT
ajst-11369	128	28	.	.	PUNCT
ajst-11369	129	1	journal	journal	PROPN
ajst-11369	129	2	of	of	ADP
ajst-11369	129	3	xi'an	xi'an	PROPN
ajst-11369	129	4	petroleum	petroleum	PROPN
ajst-11369	129	5	university	university	PROPN
ajst-11369	129	6	(	(	PUNCT
ajst-11369	129	7	natural	natural	ADJ
ajst-11369	129	8	science	science	NOUN
ajst-11369	129	9	edition	edition	NOUN
ajst-11369	129	10	)	)	PUNCT
ajst-11369	129	11	.	.	PUNCT
ajst-11369	130	1	2019	2019	NUM
ajst-11369	130	2	,	,	PUNCT
ajst-11369	130	3	34(05	34(05	NUM
ajst-11369	130	4	):	):	PUNCT
ajst-11369	130	5	110	110	NUM
ajst-11369	130	6	-	-	SYM
ajst-11369	130	7	115	115	NUM
ajst-11369	130	8	.	.	PUNCT
ajst-11369	131	1	[	[	X
ajst-11369	131	2	9	9	NUM
ajst-11369	131	3	]	]	X
ajst-11369	131	4	ye	ye	PROPN
ajst-11369	131	5	qiang	qiang	PROPN
ajst-11369	131	6	,	,	PUNCT
ajst-11369	131	7	yan	yan	PROPN
ajst-11369	131	8	wenhui	wenhui	PROPN
ajst-11369	131	9	,	,	PUNCT
ajst-11369	131	10	li	li	PROPN
ajst-11369	131	11	huiying	huiying	PROPN
ajst-11369	131	12	,	,	PUNCT
ajst-11369	131	13	et	et	PROPN
ajst-11369	131	14	al	al	PROPN
ajst-11369	131	15	.	.	PUNCT
ajst-11369	131	16	design	design	NOUN
ajst-11369	131	17	of	of	ADP
ajst-11369	131	18	telescopic	telescopic	ADJ
ajst-11369	131	19	arm	arm	NOUN
ajst-11369	131	20	type	type	NOUN
ajst-11369	131	21	iron	iron	NOUN
ajst-11369	131	22	driller	driller	NOUN
ajst-11369	131	23	's	's	PART
ajst-11369	131	24	punching	punching	NOUN
ajst-11369	131	25	pliers[j	pliers[j	PROPN
ajst-11369	131	26	]	]	PUNCT
ajst-11369	131	27	.	.	PUNCT
ajst-11369	132	1	hydraulic	hydraulic	ADJ
ajst-11369	132	2	pneumatic	pneumatic	NOUN
ajst-11369	132	3	and	and	CCONJ
ajst-11369	132	4	sealing	sealing	NOUN
ajst-11369	132	5	,	,	PUNCT
ajst-11369	132	6	2018	2018	NUM
ajst-11369	132	7	,	,	PUNCT
ajst-11369	132	8	38(06):8	38(06):8	NUM
ajst-11369	132	9	-	-	SYM
ajst-11369	132	10	11	11	NUM
ajst-11369	132	11	.	.	PUNCT
ajst-11369	133	1	[	[	X
ajst-11369	133	2	10	10	NUM
ajst-11369	133	3	]	]	X
ajst-11369	133	4	liu	liu	PROPN
ajst-11369	133	5	bailong	bailong	PROPN
ajst-11369	133	6	.	.	PUNCT
ajst-11369	134	1	design	design	NOUN
ajst-11369	134	2	of	of	ADP
ajst-11369	134	3	rocker	rocker	NOUN
ajst-11369	134	4	-	-	PUNCT
ajst-11369	134	5	type	type	NOUN
ajst-11369	134	6	iron	iron	NOUN
ajst-11369	134	7	driller	driller	NOUN
ajst-11369	134	8	's	's	PART
ajst-11369	134	9	punching	punching	NOUN
ajst-11369	134	10	buckle	buckle	NOUN
ajst-11369	134	11	pliers	plier	NOUN
ajst-11369	134	12	and	and	CCONJ
ajst-11369	134	13	simulation	simulation	NOUN
ajst-11369	134	14	test	test	NOUN
ajst-11369	134	15	of	of	ADP
ajst-11369	134	16	buckling	buckle	VERB
ajst-11369	134	17	process	process	NOUN
ajst-11369	134	18	on	on	ADP
ajst-11369	134	19	the	the	DET
ajst-11369	134	20	jaws	jaw	NOUN
ajst-11369	135	1	[	[	X
ajst-11369	135	2	d	d	X
ajst-11369	135	3	]	]	X
ajst-11369	135	4	.	.	PUNCT
ajst-11369	136	1	northeast	northeast	ADJ
ajst-11369	136	2	university	university	PROPN
ajst-11369	136	3	of	of	ADP
ajst-11369	136	4	petroleum	petroleum	NOUN
ajst-11369	136	5	,	,	PUNCT
ajst-11369	136	6	2017	2017	NUM
ajst-11369	136	7	.	.	PUNCT