Principle and verification of a structure model based correction approach

被引：3
|
作者：
Thiem, Xaver [1 ]
Riedel, Mirko [1 ]
Kauschinger, Bernd [1 ]
Mueller, Jens [1 ]
机构：
[1] Inst Machine Tools & Control Engn, Helmholtzstr 7A, D-01069 Dresden, Germany
来源：
7TH HPC 2016 - CIRP CONFERENCE ON HIGH PERFORMANCE CUTTING | 2016年 / 46卷
关键词：
machine tool; thermal error; compensation; measurement; MACHINE-TOOLS;
D O I：
10.1016/j.procir.2016.03.169
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Structure model based correction is a new approach for the reduction of thermally induced positioning errors in machine tools. Herein axisposition dependent correction values are calculated in thermal real-time using thermal and thermo-elastic models. The correction values are used for the compensation of thermal errors. Necessary input data for the thermal model are captured in the control. This approach is verified at a 6-axis-machine using a camera based pose measuring system. The paper shows the principle of the correction approach and its verification by pose measurements. In conclusion the correction model meets the qualitative displacement in the workspace quite well. (C) 2016 The Authors. Published by Elservier B.V
引用
收藏
页码：111 / 114
页数：4
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