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Effect of friction coefficients on the dynamic response of gear systems

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Abstract

The inevitable deterioration of the lubrication conditions in a gearbox in service can change the tribological properties of the meshing teeth. In turn, such changes can significantly affect the dynamic responses and running status of gear systems. This paper investigates such an effect by utilizing virtual prototype technology to model and simulate the dynamics of a wind turbine gearbox system. The change in the lubrication conditions is modeled by the changes in the friction coefficients, thereby indicating that poor lubrication causes not only increased frictional losses but also significant changes in the dynamic responses. These results are further demonstrated by the mean and root mean square values calculated by the simulated responses under different friction coefficients. In addition, the spectrum exhibits significant changes in the first, second, and third harmonics of the meshing components. The findings and simulation method of this study provide theoretical bases for the development of accurate diagnostic techniques.

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Acknowledgements

This work was supported by the National Natural Science Foundation of China (Grant No. 51575177), the China Scholarship Council, the China Postdoctoral Science Foundation, and the Science and Technology Department of Hunan Province (Grant No. 2015JC3108).

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Authors and Affiliations

  1. Hunan Provincial Key Laboratory of Health Maintenance for Mechanical Equipment, Hunan University of Science and Technology, Xiangtan, 411201, China

    Lingli Jiang, Zhenyong Deng & Xuejun Li

  2. Centre for Efficiency and Performance Engineering, University of Huddersfield, Huddersfield, HD1 3DH, UK

    Lingli Jiang, Fengshou Gu & Andrew D. Ball

Authors
  1. Lingli Jiang
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  2. Zhenyong Deng
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  3. Fengshou Gu
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  4. Andrew D. Ball
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  5. Xuejun Li
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Correspondence to Lingli Jiang.

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Jiang, L., Deng, Z., Gu, F. et al. Effect of friction coefficients on the dynamic response of gear systems. Front. Mech. Eng. 12, 397–405 (2017). https://doi.org/10.1007/s11465-017-0415-4

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  • DOI: https://doi.org/10.1007/s11465-017-0415-4

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