id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ajst-29861	Feng, Yazhou; Zhao, Xincheng; Liu, Zhanfeng; Yang, Weiye	Shape Design and Analysis of Guide Pad for BTA Deep Hole Drilling Tool	2025	8	.pdf	application/pdf	3359	168	65	This research specifically focuses on the machining characteristics and process optimization of through-hole structures with a nominal diameter of ∅65mm. (2) Analysis of working state of guide pad The BTA deep hole drilling tool usually consists of several blades, several guide pads and a tool body, and its structure is shown in Figure 2. The positive pressure of guide pad 1 is N , and the friction force is F ; the positive pressure of guide pad 2 is N and the friction force is F .	cache/ajst-29861.pdf	txt/ajst-29861.txt