Improvement of thermal growth compensation for motorized spindles

2010 IEEE International Conference on Industrial Engineering and Engineering Management Pub Date : 2010-12-23 DOI:10.1109/IEEM.2010.5674406

Kun-fang Huang, Y. Juan, Chia-Hui Tang, Ching-Feng Chang, Tsair-Rong Chen

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Abstract

A dual displacement measurement meter applied as a compensatory device for spindle thermal growth compensation, it can reduce the measurement error dramatically from single measurement device. The result matches the laser inspection report, which is an external direct checking device and been considered as one of the best checking device of spindle thermal growth. However, the non-flat surface of spindle nose, fluctuating measurement distance and the tiny measurement meter can hardly be fitted rectangular to spindle nose surface which create a certain percentage of error when the single displacement measurement meter is applied. The addition of a differential amplifier will greatly enhance the linear output voltage fed back from dual measurement meter to the CPU and provide a high sensitive level of compensation. This new device can reduce the measurement error from 6% down to 1.8%. The machining tolerance can be improved greatly and machining time is reduced. The quality of the machine and the cutting performance can be upgraded.

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电主轴热生长补偿的改进

双位移测量仪作为主轴热生长补偿的补偿装置，可以大大降低单台测量仪的测量误差。结果与激光检测报告吻合，激光检测是一种外部直接检测装置，被认为是锭子热生长的最佳检测装置之一。然而，在采用单位移测量仪时，由于主轴端面不平坦、测量距离波动、测量仪表尺寸微小等原因，很难与主轴端面进行矩形拟合，产生一定百分比的误差。差分放大器的加入将极大地增强双测量计到CPU的线性输出电压反馈，并提供高灵敏度的补偿水平。该装置可将测量误差从6%降低到1.8%。可大大提高加工公差，缩短加工时间。提高了机器的质量和切割性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2010 IEEE International Conference on Industrial Engineering and Engineering Management

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