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A new approach to geometric error modeling and compensation for a three-axis machine tool

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Abstract

This paper proposes a new geometric error model and compensation algorithm for the three-axis machine tools. First, the relative motion matrix to the coordinate system is constructed by the homogenous transformation matrix (HTM). Next, the geometric error model is deduced based on homogenous transformations. Then, an error compensation algorithm is developed by means of the computer numerical control (CNC) program reconstruction by using the geometric error model. Finally, the simulation is implemented on a virtual machine tool established in the VERICUT software to validate the efficiency of the model and the compensation algorithm. An autocollimator is used to measure the yaw errors and an experiment is implemented on a real machine tool. The results simulation and experiment indicate that the error modele and compensation algorithm can significantly improve the machining precision.

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Funding

This study is supported by the National Natural Science Foundation, China (No. 51475382) and Major Projects of National Science and Technology (No. 2015ZX04001202).

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Authors and Affiliations

  1. Key Laboratory of Contemporary Design and Integrated Manufacturing Technology, Ministry of Education, Northwestern Polytechnical University, Xi’an, 710072, People’s Republic of China

    Baohai Wu, Yanjun Yin, Ying Zhang & Ming Luo

Authors
  1. Baohai Wu
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  2. Yanjun Yin
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  3. Ying Zhang
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  4. Ming Luo
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Corresponding author

Correspondence to Yanjun Yin.

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Wu, B., Yin, Y., Zhang, Y. et al. A new approach to geometric error modeling and compensation for a three-axis machine tool. Int J Adv Manuf Technol 102, 1249–1256 (2019). https://doi.org/10.1007/s00170-018-3160-x

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  • DOI: https://doi.org/10.1007/s00170-018-3160-x

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