Thermal error compensation of rotary axes and main spindles using cooling power as input parameter

被引：28

作者：

Mayr, Josef ^{[1
]}

Egeter, Michael ^{[1
]}

Weikert, Sascha ^{[1
]}

Wegener, Konrad ^{[1
]}

机构：

[1] Swiss Fed Inst Technol, Inst Machine Tools & Mfg, Zurich, Switzerland

来源：

JOURNAL OF MANUFACTURING SYSTEMS | 2015年 / 37卷

关键词：

Thermal error; Five-axis machine tools; Compensation; 5-AXIS MACHINE-TOOLS;

D O I：

10.1016/j.jmsy.2015.04.003

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Thermal errors of machine tools are one of the main contributors for geometrical inaccuracies of machined workpieces. In this paper, research work is presented compensating thermal errors induced by moving the rotary and swiveling axis unit of a five axis machine tool as well as running the main spindle. The compensation approach is based on a dynamic gray box model consisting of a system of differential equations. Input parameters related to the generated heat are investigated. The best relation between the arising thermal location errors and model input parameter is found for the cooling power of the machine tool axes and the main spindle. Based on measurements it is shown that all dominant thermal location errors can be significantly reduced. (C) 2015 The Society of Manufacturing Engineers. Published by Elsevier Ltd. All rights reserved.

引用

页码：542 / 549

页数：8

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