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Meshing contact analysis of cycloidal-pin gear in RV reducer considering the influence of manufacturing error

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Abstract

The manufacturing error of cycloid gear is the key factor affecting the transmission precision and meshing characteristics of cycloidal-pin gear in RV reducer. Taking the RV cycloidal-pin gear pair transmission as the object, a meshing contact analysis method is proposed for RV cycloidal-pin gear transmission considering the influence of manufacturing error. The modified tooth profile of cycloid gear is effectively superimposed and transformed by taking the influence of tooth profile and pitch errors of cycloidal gear into consideration, and the theoretical contact analysis model of cycloidal-pin gear transmission is established. By analyzing and solving the meshing contact model, the characteristic parameters such as the meshing point position, meshing backlash and transmission error of cycloidal-pin gear between the meshing contact surfaces are obtained under the influence of manufacturing error, and the effective pre-control of the tooth profile and the meshing contact performance is realized. The verification analysis results show that the manufacturing error has a great influence on the transmission accuracy of RV cycloidal-pin gear, among which the tooth pitch error has the greatest influence on the transmission error, which is in a positive proportion. And the influence of tooth profile error on transmission error is second. The meshing contact analysis method considers the interactive influence of the manufacturing error and modification shape of tooth profile on the meshing contact status of RV transmission; the cycloidal tooth profile can be obtained which is more suitable for engineering practice. This analysis method can provide the theoretical support and technical means for profile modification design, motion accuracy improvement and load-bearing contact analysis of RV transmission.

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Acknowledgements

This work was supported by National Natural Science Foundation of China (Grant No. U1504522), Key Scientific Research Projects of Higher Education Institutions of Henan Province of China (Grant No. 20A460010), Major Scientific and Technological Project in Henan Province of China (Grant No. 161100211200) and Key Scientific and Technological Project of Henan Province of China (Grant No. 182102210042). We would like to thank editor and anonymous reviewers for their constructive comments and helpful suggestions for improving the manuscript.

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Authors and Affiliations

  1. School of Mechatronics Engineering, Henan University of Science and Technology, 48, Xiyuan Road, Luoyang, 471003, China

    Tianxing Li, Meng Tian & Xiaotao An

  2. Collaborative Innovation Center of Machinery Equipment Advanced Manufacturing of Henan Province, 48, Xiyuan Road, Luoyang, 471003, China

    Xiaozhong Deng & Jianxin Su

  3. School of Mechatronics Engineering, Zhongyuan University of Technology, 41, Zhongyuan Road, Zhengzhou, 450007, China

    Hang Xu

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  1. Tianxing Li
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  2. Meng Tian
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  3. Hang Xu
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  4. Xiaozhong Deng
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Correspondence to Tianxing Li.

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Technical Editor: Zilda de Castro Silveira, Ph.D.

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Li, T., Tian, M., Xu, H. et al. Meshing contact analysis of cycloidal-pin gear in RV reducer considering the influence of manufacturing error. J Braz. Soc. Mech. Sci. Eng. 42, 133 (2020). https://doi.org/10.1007/s40430-020-2208-7

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  • DOI: https://doi.org/10.1007/s40430-020-2208-7

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