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2008年 第3卷 第2期

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《机械工程前沿（英文）》 >> 2008年 第3卷 第2期 doi: 10.1007/s11465-008-0033-2

Measurement and analysis of typical motion error traces from a circular test

1.Huazhong University of Science and Technology; 2.Mechanical Engineering College, Zhanjiang Ocean University

发布日期： 2008-06-05
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摘要

The circular test provides a rapid and efficient way of measuring the contouring accuracy of a machine tool. To get the actual point coordinate in the work plane, an improved measurement instrument - a new ball bar test system - is presented in this paper to identify both the radial error and the rotation angle error when the machine is manipulated to move in circular traces. Based on the measured circular error, a combination of Fourier components is chosen to represent the systematic form error that fluctuates in the radial direction. The typical motion errors represented by the corresponding Fourier components can thus be identified. The values for machine compensation can be calculated and adjusted until the desired results are achieved.

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