Thermal characteristic analysis of ball screw feed drive system based on finite difference method considering the moving heat source

被引:0
|
作者
Yang Li
Wenming Wei
Dongxu Su
Wenwu Wu
Jun Zhang
Wanhua Zhao
机构
[1] Xi’an Jiaotong University,State Key Laboratory for Manufacturing Systems Engineering
[2] Xi’an University of Technology,Key Laboratory of NC Machine Tools and Integrated Manufacturing Equipment of the Education Ministry & Key Lab of Manufacturing Equipment of Shaanxi Province
关键词
Finite difference method; Ball screw feed drive system; Thermal characteristic; Moving heat source; Boundary condition optimization;
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中图分类号
学科分类号
摘要
The thermal characteristic of the ball screw feed drive system has great influence on machining accuracy as its thermal deformation would induce the positioning deviation. In this paper, finite difference method was applied to simulate the temperature distribution and thermal growth of the ball screw feed drive system under various working conditions. When simulating, the nut was considered a moving heat source, and the boundary conditions were optimized based on response surface methodology. By comparing the simulation results with the testing data, it was verified that the accuracy of the simulation could be improved by using the proposed method.
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页码:4533 / 4545
页数:12
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