MODELING TRANSVERSE MOTIONS OF A DRILL BIT FOR PROCESS UNDERSTANDING

被引：11
|
作者：
BASILE, SA
机构：
[1] Applied Physics Laboratory, Johns Hopkins University, Laurel, MD
来源：
PRECISION ENGINEERING-JOURNAL OF THE AMERICAN SOCIETY FOR PRECISION ENGINEERING | 1993年 / 15卷 / 04期
关键词：
TOOL VIBRATIONS; HOLE ROUNDNESS; DRILL TRANSVERSE MOTION MODEL;
D O I：
10.1016/0141-6359(93)90108-M
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A model for drill bit transverse motions is proposed that identifies process conditions affecting hole quality and helps in the interpretation of drilling signal patterns produced during the hole-making process. A two-dimensional model of a drill rotating in a hole with clearance is presented. The simulation results, drilling force signal patterns, and hole geometry were found to be in close agreement. Drill rotation speed, drill stiffness, structural damping, drill/hole clearance, and amplitude modulation of the forces acting on the drill appear to have a significant effect on drill bit transverse motions and on hole quality.
引用
收藏
页码：258 / 265
页数：8
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