A Theory of Ball-screw Thermal Compensation

被引：0

作者：

Chang, Ching-Feng ^{[1
]}

Wang, Chih-Chung ^{[1
]}

Lin, Chao-Shui ^{[1
]}

Chao, Ching-Yi ^{[2
]}

Chen, Tsair-Rong ^{[1
]}

机构：

[1] Natl Changhua Univ Educ, Dept Elect Engn, Changhua 500, Taiwan

[2] Dayeh Univ, Dept Elect Engn, Changhua 500, Taiwan

来源：

IMECS 2009: INTERNATIONAL MULTI-CONFERENCE OF ENGINEERS AND COMPUTER SCIENTISTS, VOLS I AND II | 2009年

关键词：

Thermal growth; HSM; Compensation; MACHINING CENTER; ERRORS; TOOL;

D O I：

暂无

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

Thermal growth effects the reliability and accuracy of a machine tool, especially, as it relates to the High Speed Machining (HSM) technology. When axis speeds increase, the effect of thermal expansion of ballscrews will create large positional errors of the axes. In this paper, a piezo-integrated actuator and a load sensor are placed on the machine ballscrews, and the feedback from this arrangement becomes an ideal source for compensation of backlash and thermal expansion. This smart unit provides excellent performance of tolerance, the roundness test report reduced from 18.1 mu m to 10.00 mu m, and large cost savings in the manufacture of the machine tool.

引用

页码：1493 / +

页数：2

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