Abstract
This paper introduces an approximate grinding method (AGM) and tooth flank deviation correction strategies for helical face gears (HFGs) generated by grinding worm, addressing the issue of singularities on the grinding worm thread surface that hinders HFGs grinding properly. Firstly, the tooth flanks of the face gear and grinding worm are derived, and singularities on the grinding worm are determined. Then, based on the grinding generation theory of HFGs, the AGM is proposed to solve the challenge of grinding HFGs with a large helix angle. Next, the tooth flank deviation of HFG generated by the grinding worm with the AGM is investigated; meanwhile, the tooth contact pattern and transmission error analysis are conducted. In addition, the correction method of the HFG tooth flank deviation is researched. Finally, a grinding experiment is performed and demonstrates the validity of the theoretical analysis of the AGM.
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Funding
The authors would like to acknowledge the support of the National Science and Technology Major Project(2019-VII-0017-0159), National Key Laboratory Fund for helicopter transmission technology(HTL-O-22K01), Shaanxi Province key research and development plan project(2021ZDLGY12-03), and National key research and development plan of China(2023YFB3406500).
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All authors contributed to the study conception and design. Material preparation, data collection, and analysis were performed by Yaolong Yan, Hui Guo, Linlin Sun, and Ning Zhao. The first draft of the manuscript was written by Yaolong Yan and Hui Guo, and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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Yan, Y., Guo, H., Sun, L. et al. An approximate grinding and deviation correction method for helical face gear. Int J Adv Manuf Technol 132, 2271–2291 (2024). https://doi.org/10.1007/s00170-024-13379-0
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DOI: https://doi.org/10.1007/s00170-024-13379-0