A dynamic model of the cage in an oil-lubricated cylindrical roller bearing was developed and the cage whirl has been researched by this model. In model, the forces between elements, especially the effect of EHL (Elastic Hydrodynamic Lubrication) between cage pockets and rollers were fully considered according to the geometry relationship between elements. The effects of variation in clearance ratio, load and bearing operating velocity on cage whirl have been investigated. The results of the effect of cage clearance on cage instability basically accord with the Gupta’s results, but the starting time of the direct contact between cage and guiding race is delayed while the EHL was considered. The effect of normal load is more important than bearing angular velocity on cage whirl.
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STLE/ASME 2010 International Joint Tribology Conference
October 17–20, 2010
San Francisco, California, USA
Conference Sponsors:
- Tribology Division
ISBN:
978-0-7918-4419-9
PROCEEDINGS PAPER
Cage Instabilities in High-Speed Cylindrical Roller Bearings
Zhenhuan Ye,
Zhenhuan Ye
Harbin Institute of Technology, Harbin, China
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Liqin Wang,
Liqin Wang
Harbin Institute of Technology, Harbin, China
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Le Gu,
Le Gu
Harbin Institute of Technology, Harbin, China
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Dezhi Zheng
Dezhi Zheng
Harbin Institute of Technology, Harbin, China
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Zhenhuan Ye
Harbin Institute of Technology, Harbin, China
Liqin Wang
Harbin Institute of Technology, Harbin, China
Le Gu
Harbin Institute of Technology, Harbin, China
Dezhi Zheng
Harbin Institute of Technology, Harbin, China
Paper No:
IJTC2010-41118, pp. 207-209; 3 pages
Published Online:
April 14, 2011
Citation
Ye, Z, Wang, L, Gu, L, & Zheng, D. "Cage Instabilities in High-Speed Cylindrical Roller Bearings." Proceedings of the STLE/ASME 2010 International Joint Tribology Conference. STLE/ASME 2010 International Joint Tribology Conference. San Francisco, California, USA. October 17–20, 2010. pp. 207-209. ASME. https://doi.org/10.1115/IJTC2010-41118
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