Drilling Forces and Temperature Rises in Axial Low-frequency Vibration-assisted Cortical Bone Drilling

被引：0
|
作者：
Bai X. [1 ]
Hou S. [1 ]
Li K. [1 ]
Qu Y. [1 ]
机构：
[1] School of Mechanical Engineering, Hebei University of Technology, Tianjin
来源：
Zhongguo Jixie Gongcheng/China Mechanical Engineering | 2021年 / 32卷 / 03期
关键词：
Axial low-frequency vibration-assisted drilling(LFVAD); Cortical bone drilling; Cutting energy; Drilling force; Temperature rise;
D O I：
10.3969/j.issn.1004-132X.2021.03.010
中图分类号：
学科分类号：
摘要：
In order to study the influences of axial LFVAD method on drilling forces and temperature rises in cortical bone drilling processes, experiments of the drilling forces and temperature rises in conventional drilling and axial low-frequency vibration-assisted cortical bone drilling were conducted based on a self-developed LFVAD equipment. Drilling forces and heat generation rate models were presented. Experimental results show that the feed force and torque in axial LFVAD are obviously reduced, and the temperature rises are reduced by 3~5℃. It is found that the spindle speed is the most significant influence factor of drilling forces and temperature rises. Double objective optimizations were performed by statistics. Results from the model are consistent with experimental data. It may be regarded that periodic separation of drill bit and bone tissue generated by axial LFVAD is the main reason for the reductions of drilling forces and temperature rises. © 2021, China Mechanical Engineering Magazine Office. All right reserved.
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页码：321 / 330
页数：9
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