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Study on deformation and compensation for micromilled thin walls with high aspect ratios

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Abstract

In order to further improve the dimensional accuracy of micromilled thin walls with high aspect ratios, the machining process should be actively controlled. A device for active cutting force measurement and cutting parameter compensation is developed to realize the real-time measurement of radial cutting forces and compensation of radial cutting parameters in thin wall cutting process. Firstly, a mathematical model is established to calculate the deformation and cutting force of thin walls based on the cantilever beam deformation theory. The thin wall deformation in the cutting process is estimated by measuring the cutting force. Then, the obtained incremental thin wall deformation is to be compared with the compensation threshold, which is set at 0.5 μm. If the value of the incremental deformation is less than 0.5 μm, compensation will not be processed. Otherwise, the incremental deformation is used as the compensation value for iterative compensation, until the incremental deformation of the thin wall is less than 0.5 μm. At last, a contrast experiment is carried out. The experimental results show that the introduced device and compensation method are feasible. Machining quality of the thin wall has been obviously improved in dimension precision after the cutting parameter compensations.

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All data generated or analyzed during this study are included in this published article.

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Funding

This research was funded by the Natural Science Foundation of Shandong Province (ZR2020ME157), and the National Key Research and Development Program of China (2018YFB2001400).

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Authors and Affiliations

  1. School of Mechanical Engineering, Shandong University of Technology, Zibo, China

    Yang Li, Xiang Cheng, Guangming Zheng & Lei He

  2. School of Mechanical Engineering, Dalian University of Technology, Dalian, China

    Siying Ling

Authors
  1. Yang Li
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  2. Xiang Cheng
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  3. Siying Ling
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  4. Guangming Zheng
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  5. Lei He
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Correspondence to Xiang Cheng.

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Li, Y., Cheng, X., Ling, S. et al. Study on deformation and compensation for micromilled thin walls with high aspect ratios. Int J Adv Manuf Technol 117, 1797–1806 (2021). https://doi.org/10.1007/s00170-021-07833-6

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  • DOI: https://doi.org/10.1007/s00170-021-07833-6

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