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Tool paths generation strategy for polishing of freeform surface with physically uniform coverage

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Abstract

The tool path used for polishing applications with characteristic of physically uniform coverage, which is similar to the iso-scallop path in milling operations, is significantly important to facilitate uniform material removal and acquire low surface roughness and consistent surface quality. In this paper, tool path planning method for physically uniform coverage instead of traditional geometrically uniform coverage of polishing path based on scanning mode is further investigated and an efficient iterative approximation algorithm is proposed. Then a complete spiral path generation strategy for small tool polishing of freeform surface is presented, which uses a cyclic iteration correction and driving method to produce spiral path with physically uniform coverage. At the same time, this strategy uses surface expansion and re-parameterization techniques to avoid edge effect in polishing. The effectiveness and robustness of the developed polishing path generation technique are proved by case studies. And the superiority of the planned polishing path over the traditional path in promoting uniformity of material removal is examined through the practical application of polishing.

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Acknowledgements

This research is supported by the National High Technology Research and Development Program (863 Program) of China (Grant No. 2012AA041304), the Young Creative Leading Talent and Team Program of Jilin Province (Grant No. 20150519005JH), the National Science Foundation of China (Grant No. 51505312), the Natural Science Foundation of Jiangsu Province (Grant No. BK20150330), and the Project 2017140 supported by Graduate Innovation Fund of Jilin University.

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Authors and Affiliations

  1. School of Mechanical Science and Engineering, Jilin University, Changchun, 130025, People’s Republic of China

    Yanjun Han, Lei Zhang, Ming Guo & Fusheng Liang

  2. Robotics and Micro-systems Research Center, Soochow University, Suzhou, 215021, People’s Republic of China

    Cheng Fan

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  1. Yanjun Han
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  2. Lei Zhang
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  3. Ming Guo
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  4. Cheng Fan
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  5. Fusheng Liang
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Correspondence to Lei Zhang.

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Han, Y., Zhang, L., Guo, M. et al. Tool paths generation strategy for polishing of freeform surface with physically uniform coverage. Int J Adv Manuf Technol 95, 2125–2144 (2018). https://doi.org/10.1007/s00170-017-1281-2

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  • DOI: https://doi.org/10.1007/s00170-017-1281-2

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