A method for direct evaluation of the dynamic 3D path accuracy of NC machine tools

被引：41
|
作者：
Bringmann, B. [1 ]
Maglie, P. [2 ]
机构：
[1] StarragHeckert AG, CH-9404 Rorschacherberg, Switzerland
[2] ETH, Inst Machine Tools & Mfg IWF, Zurich, Switzerland
来源：
CIRP ANNALS-MANUFACTURING TECHNOLOGY | 2009年 / 58卷 / 01期
关键词：
Dynamic; Measuring instrument; Accuracy;
D O I：
10.1016/j.cirp.2009.03.104
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Fast and high-quality machining operations require high dynamic path accuracy of the machine tool in use. Complementary to the work done on NC path planning and mechatronic simulation, in this paper a device is introduced for direct 3D measurements of dynamic path deviations at the tool center point (TCP). With it, linear as well as rotary axes can be tested in one setup, thus dynamic parameters such as jerk and acceleration limits can be set homogeneously for obtaining the required dynamic path accuracy. Relevant Eigenfrequencies of the machine can be identified. Measurement method, uncertainty estimation and result evaluation are explained in this paper. (C) 2009 CIRP.
引用
收藏
页码：343 / 346
页数：4
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