Geometric error measurement and compensation for the rotary table of five-axis machine tool with double ballbar

Geometric error measurement and compensation for the rotary table of five-axis machine tool with double ballbar
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双球杆仪五轴机床回转工作台几何误差测量与补偿

DOI:
10.1007/s00170-012-4166-4
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发表时间:
2013-03
影响因子:
3.4
通讯作者:
Kun Zhang
Kun Zhang
中科院分区:
工程技术3区
文献类型:
--
作者:
Yi Zhang;Jianguo Yang;Kun Zhang

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提出了一种以双球杆仪为测量仪器的五轴机床转台几何误差识别的新方法。这种测量方法大大简化了测量装置,因为只需要一个DBB系统和一个高度可调夹具就可以同时评定五个误差,包括一个轴向误差、两个径向误差和两个由转台引起的倾斜误差。在不同的水平面上设计了两个DBB测量路径,以实现线性误差和角度误差的解耦。在误差模型的基础上,对不同误差引起的理论测量方向图进行了仿真。最后,将该方法应用于立式五轴联动加工中心的误差测量与补偿。实验结果表明,该测量方法对五轴机床转台引起的几何误差的识别是十分方便有效的。
This paper proposes a novel measuring method for geometric error identification of the rotary table on five-axis machine tools by using double ballbar (DBB) as the measuring instrument. This measuring method greatly simplifies the measurement setup, for only a DBB system and a height-adjustable fixture are needed to evaluate simultaneously five errors including one axial error, two radial errors, and two tilt errors caused by the rotary table. Two DBB-measuring paths are designed in different horizontal planes so as to decouple the linear and angular errors. The theoretical measuring patterns caused by different errors are simulated on the basis of the error model. Finally, the proposed method is applied to a vertical five-axis machining center for error measurement and compensation. The experimental results show that this measuring method is quite convenient and effective to identify geometric errors caused by the rotary table on five-axis machine tools.
DOI: 10.1016/j.ijmachtools.2006.03.008
发表时间: 2007-02
影响因子: 14
作者:
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通讯作者: Y. Hsu;S. S. Wang-S.
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期刊: The International Journal of Advanced Manufacturing Technology
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