The effects of the race surface waviness on the cage dynamics, including cage slip ratios, cage instabilities, and time-averaged cage wear rates, in high-speed ball bearings are investigated. A dynamic model of high-speed ball bearings considering the cage effect and the race surface waviness is proposed. Based on the proposed dynamic model, the effects of the maximum wave amplitude (MWA) and the wave order (WO) of race surface waviness on cage slip ratio, cage instability, and time-averaged cage wear rate are investigated. The results show that the race surface waviness has a great effect on the cage dynamics. The waviness would increase the random impacts between balls and cage pockets and thus cause more instable motion of the cage. Although the ball skidding and the cage slip ratio decrease with the increase of MWA, the cage instability and the cage wear rate become severe when MWA increases. In addition, the effect of WO on cage dynamics is nonlinear. The current investigation could provide a theoretical tool for an in-depth understanding of the dynamics in a high-speed ball bearing.
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May 2019
Research-Article
A Simulation Study on the Effects of Race Surface Waviness on Cage Dynamics in High-Speed Ball Bearings
Linkai Niu
Linkai Niu
Key Laboratory of Advanced Transducers and Intelligent Control System of Ministry of Education and Shanxi Province;
College of Mechanical and Vehicle Engineering,
Taiyuan 030024,
e-mail: niulinkai@tyut.edu.cn
Taiyuan University of Technology
,Taiyuan 030024,
China
e-mail: niulinkai@tyut.edu.cn
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Linkai Niu
Key Laboratory of Advanced Transducers and Intelligent Control System of Ministry of Education and Shanxi Province;
College of Mechanical and Vehicle Engineering,
Taiyuan 030024,
e-mail: niulinkai@tyut.edu.cn
Taiyuan University of Technology
,Taiyuan 030024,
China
e-mail: niulinkai@tyut.edu.cn
Contributed by the Tribology Division of ASME for publication in the Journal of Tribology. Manuscript received July 16, 2018; final manuscript received January 3, 2019; published online March 4, 2019. Assoc. Editor: Yi Zhu.
J. Tribol. May 2019, 141(5): 051101 (13 pages)
Published Online: March 4, 2019
Article history
Received:
July 16, 2018
Revision Received:
January 3, 2019
Accepted:
January 3, 2019
Citation
Niu, L. (March 4, 2019). "A Simulation Study on the Effects of Race Surface Waviness on Cage Dynamics in High-Speed Ball Bearings." ASME. J. Tribol. May 2019; 141(5): 051101. https://doi.org/10.1115/1.4042656
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