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Dynamic analysis of gear system with multiple lubrication states in torque–speed parameter space

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Abstract

The existence of backlash causes de-meshing and reverse impact in the gear system, and the influence of the working lubrication conditions of the gear on the dynamics is ignored. This study focused on the impact of the coupling characteristics of gear system based on the multi-meshing state model and the gear lubrication model on the evolution of nonlinear dynamic behavior. Firstly, the transition of the meshing state was considered, and the time-varying parameters such as contact radius, load distribution ratio, meshing stiffness, entrainment speed, and slip-to-roll ratio were analyzed under meshing and reverse impact conditions. Then, the elastohydrodynamic lubrication model of the gear was analyzed, the coupling effect between the lubrication model and the gear system was reflected by two factors. One was the comprehensive meshing stiffness obtained by coupling the gear meshing stiffness and the lubricating oil film stiffness, and the other was the lubrication state transition of the system determined by the oil film thickness. Further, the gear dynamics model considering the above factors was established, and the influence of the coupling characteristics of lubrication and gear systems on the dynamic behavior was analyzed on the torque–speed parameter plane. The research results have theoretical guiding significance for the parameter selection, optimization design of gear system and the optimization of meshing characteristics.

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Data availability

The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.

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Funding

This research is financially supported by National Natural Science Foundation of China (No. 52265004); Guangxi Science and Technology Major Program (No. AA23073019); Open Research Fund of State Key Laboratory of Precision Manufacturing for Extreme Service Performance, Central South University (No. Kfkt2023-06); Open Fund of State Key Laboratory of Digital Manufacturing Equipment and Technology, Huazhong University of Science and Technology (No. DMETKF2021017); Entrepreneurship and Innovation Talent Program of Taizhou City, Jiangsu Province; Innovation Project of Guangxi Graduate Education; Open Fund of High-end Basic Component Innovation Station (No. KY01080030124001); Open Fund for Academician Mao Ming’s Workstation(XS JSFW-QNKXJ-202404-007); Technology Innovation Platform Project of China Aviation Engine Group Corporation (No.CXPT-2023-044); Open Fund for Innovation Workstation in the National Defense Science and Technology Innovation Special Zone (Xi’an Jiaotong University).

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Author notes

  1. Shuai Mo and Yingxin Zhang contributed equally to this work, they are co-first authors of the article.

Authors and Affiliations

  1. State Key Laboratory of Featured Metal Materials and Life-Cycle Safety for Composite Structures, Guangxi University, Nanning, 530004, China

    Shuai Mo, Yingxin Zhang, Keren Chen, Yanxiao Zheng & Wei Zhang

  2. School of Mechanical Engineering, Guangxi University, Nanning, 530004, China

    Shuai Mo, Yingxin Zhang & Keren Chen

  3. Guangxi Key Laboratory of Disaster Prevention and Engineering Safety, Guangxi University, Nanning, 530004, China

    Shuai Mo, Yingxin Zhang & Keren Chen

  4. State Key Lab of Digital Manufacturing Equipment and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China

    Shuai Mo

  5. National Key Laboratory of Science and Technology on Helicopter Transmission, Nanjing, 210016, China

    Shuai Mo

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  1. Shuai Mo
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  2. Yingxin Zhang
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  3. Keren Chen
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  4. Yanxiao Zheng
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  5. Wei Zhang
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Contributions

S.M. is responsible for financial support, cutting-edge research, and paper review. Y.Z. is responsible for the main research work and the writing of the paper. K.C. is responsible for data processing. Y.Z. is responsible for drawing some images, and W.Z is responsible for work supervision.

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Correspondence to Shuai Mo.

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Mo, S., Zhang, Y., Chen, K. et al. Dynamic analysis of gear system with multiple lubrication states in torque–speed parameter space. Meccanica 59, 961–986 (2024). https://doi.org/10.1007/s11012-024-01825-y

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