Abstract
The use of high contact ratio (HCR) gear is an important means to improve the comprehensive performance of transmission system. A meshing cycle of HCR gear can be divided into five stages, i.e., three pairs of teeth meshing, double pairs of teeth meshing, three pairs of teeth meshing, double pairs of teeth meshing and three pairs of meshing. The traditional dynamic model based on a pair of teeth will not be accurate for describing the dynamic behavior of gear system with high contact ratio. Therefore, based on the actual meshing characteristics of each pair of gear teeth, a nonlinear dynamic model of gear pair with high contact ratio considering the meshing state of multiple pairs of teeth is proposed. To accurately obtain the meshing error of each pair of teeth, which is the key to establish the new dynamic model, the TCA (tooth contact analysis) method is employed in this paper. Further, the effects of different factors on dynamic characteristics based on this new model are analyzed. The new dynamic model proposed in this paper lays a foundation for building a more accurate dynamic model of a HCR gear system and analyzing the effect of each pair of meshing teeth on its dynamic behavior.
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Acknowledgements
This project is supported by the University Synergy Innovation Program of Anhui Province (Grant number GXXT-2019-048), Anhui university scientific research platform innovation team building projects (2016-2018), Anhui Provincial Natural Science Foundation (Grant number 2108085ME169), Scientific Research Foundation for Talent Introduced (Grant number 2019YQQ005) and Scientific Research Project (Grant number Xjky2020008) of Anhui Polytechnic University, Industrial Collaborative & Innovative Special Fund Co-sponsored by Anhui Polytechnic University and Jiujiang District of Wuhu City (Grant number 2021cyxtb5) and National Natural Science Foundation of China (Grant number 51775156).
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Xu, R., Zhang, J., Wang, J., Li, R., Shi, P. (2022). Nonlinear Dynamic Modelling and Analysis for a High Contact Ratio Spur Gear Pair Considering the Meshing State of Multiple Pairs of Teeth. In: Tan, J. (eds) Advances in Mechanical Design. ICMD 2021. Mechanisms and Machine Science, vol 111. Springer, Singapore. https://doi.org/10.1007/978-981-16-7381-8_140
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DOI: https://doi.org/10.1007/978-981-16-7381-8_140
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