Thermal error compensation model of machine spindle based on exponential function

被引：0
|
作者：
Key Laboratory of High-Efficiency and Clean Mechanical Manufacture , School of Mechanical Engineering, Shandong University, Jinan [1 ]
250061, China
不详 [2 ]
272100, China
机构：
来源：
Jisuanji Jicheng Zhizao Xitong | / 6卷 / 1553-1558期
关键词：
Machine tools - Deformation - Regression analysis - Least squares approximations - Error compensation;
D O I：
10.13196/j.cims.2015.06.018
中图分类号：
学科分类号：
摘要：
Based on analyzing the thermal characteristic of machine tool spindle, an exponential thermal error compensation model of machine tool spindle was presented. This compensation model could be easily and quickly implemented in production with little investment of manpower and time. The deformation of the spindle at various rotational speeds was obtained by measuring experiment. Estimating equations of the spindle deformation under steady state and time constant were established with method of least squares and regression analysis. A thermal error compensation model which could predict the spindle deformation under various rotational speeds was developed. The effectiveness of the compensation model under constant speed and variable speed working conditions was verified by experiment. ©, 2015, CIMS. All right reserved.
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