Modelling thermomechanical behaviour of multi-axis machine tools

被引：28

作者：

Delbressine, FLM ^{[1
]}

Florussen, GHJ ^{[1
]}

Schijvenaars, LA ^{[1
]}

Schellekens, PHJ ^{[1
]}

机构：

[1] Eindhoven Univ Technol, Dept Mech Engn, NL-5600 MB Eindhoven, Netherlands

来源：

PRECISION ENGINEERING-JOURNAL OF THE INTERNATIONAL SOCIETIES FOR PRECISION ENGINEERING AND NANOTECHNOLOGY | 2006年 / 30卷 / 01期

关键词：

thermal error compensation; telescopic double ball bar; machine tools; extended lumped capacitance method;

D O I：

10.1016/j.precisioneng.2005.05.005

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper describes a method to measure and model the thermally induced positioning errors of multi-axis machines. These errors result from changes in temperature distribution of such a machine. To achieve a reduction of the machine's tool positioning errors a generally applicable model has been developed. First the temperature distribution of a machine tool is computed from a limited number of sensors. Using this calculated temperature distribution and a deformation model based on the machine's structural loop and rigid body kinematics the tool positioning error is computed. To validate the developed thermomechanical model a new measuring method based on three-dimensional length measurements has been used. (c) 2005 Elsevier Inc. All rights reserved.

引用

页码：47 / 53

页数：7

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