Lubrication and Fatigue Life Evaluation of High-Speed Cylindrical Roller Bearing under Misalignment

Hongyu Duan, Jiawei Song and Zhijian Wang

Mathematical Problems in Engineering, 2020, vol. 2020, 1-11

Abstract:

This paper developed a coupled model, incorporating the quasistatic model, fatigue life model, and mixed lubrication model, to investigate the effect of misalignment angle on high-speed cylindrical roller bearings. The model is verified by comparing with the published literature results. Then, a parametric analysis is carried out. The results show that as the misalignment increases, the load distribution is basically unchanged, but the fatigue life of the roller bearing decreases due to the variation of contact pressure, and the skewing moment of single roller contact pair increases. Furthermore, the optimal design of roller profile needs to consider the effect of lubrication in order to improve the fatigue life of roller bearings. In general, the optimal crown drop is too small according to the design from the slicing technique.

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:2068924

DOI: 10.1155/2020/2068924

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