id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
asir-56152	Sha, Yongbai; Han, Donghe; Yang, Kangshuai; Zhao, Xiaoying; Su, Baihan; Liu, Congzhi	Design and Parameter Optimization Analysis of the Tong Dies of the Clamping tong for the Iron Roughneck	2025	18	.pdf	application/pdf	7473	302	63	In the equation, [σs] is the yield strength of the material of the outer wall of the drilling tool, and k is the safety factor, and m is the total number of tong die teeth, and l is the length of each tong die along the axis of the drilling tool, and s is the width of the tong die’s bite into the drilling tool. Keywords iron roughneck, clamping tong, tong dies, mechanical analysis, tooth profile analysis, strength analysis, orthogonal experimental method 1.	cache/asir-56152.pdf	txt/asir-56152.txt