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JOURNAL OF MECHANICAL ENGINEERING  > 2017  >  43(1): 58-64.
WANG Min, LI Jiafu, ZAN Tao, MA Gangjian, ZHOU Shuang. Identification of CNC Machine Tools’ Geometric Errors Based on Circular Tests[J]. JOURNAL OF MECHANICAL ENGINEERING, 2017, 43(1): 58-64. doi: 10.11936/bjutxb2016010070
Citation: WANG Min, LI Jiafu, ZAN Tao, MA Gangjian, ZHOU Shuang. Identification of CNC Machine Tools’ Geometric Errors Based on Circular Tests[J]. JOURNAL OF MECHANICAL ENGINEERING, 2017, 43(1): 58-64. doi: 10.11936/bjutxb2016010070
shu

Identification of CNC Machine Tools’ Geometric Errors Based on Circular Tests

doi: 10.11936/bjutxb2016010070
  • 1.

    Advanced Manufacturing Technology of the Key Laboratory of Beijing Municipality, College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100124, China

  • 2.

    Beijing Municipal Key Lab of EDM Technology, Beijing 100191, China

  • Received Date: 30 Jan 2016
    Available Online: 09 Sep 2022
  • Issue Publish Date: 01 Jan 2017
    Abstract
  • To identify the geometric errors of three-axis vertical CNC machine tools, the circular motion trajectories of three-axis vertical machine tools were modeled by using the theory of multi-body system. Based on the numerical simulations of circular motion trajectories, the influence mechanism of the typical geometric errors on the circular motion trajectories was analyzed. Considering the influence of multiple geometric errors on the circular motion trajectory, this paper put forward a geometric errors identification method, which can identify all 21 geometric errors of three-axis vertical machine tools based on the least squares method and polynomial based error modeling. Numerical simulation results demonstrate the accuracy and feasibility of this method.

     

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