Analysis on Dynamic Characteristics of High Speed Cylindrical Roller Bearing

Abstract:

A nonlinear dynamics analysis mathematical model for the high-speed cylindrical roller bearing was built up. Dynamic performance parameters were got by Newton - Raphson method . The rotational velocity regularities of rollers were analyzed at different radial loads. The distribution of minimum oil-film thickness and contact load between rollers and bearing ring raceway were obtained. The results showed that number of loaded rollers increased with the increase of radial loads at a certain speed. Rollers slip seriously at lower radial loads. The rotation speed was low. The minimum oil-film thickness between loaded rollers and inner raceways was less than that of outer raceways. The results were compared with the results of SHARBERTH and comparison was made with testing results. It showed that the dynamic characteristics analysis method of high speed cylindrical roller bearing was accurate, reliable,simple and convenient for practical engineering application.

• Periodical: Key Engineering Materials (Volumes 480-481)
• Pages: 980-985
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.480-481.980
• Online since: June 2011
• Authors: Yan Shuang Wang, Ning Ning Jin, Hai Feng Zhu
• Keywords: Cylindrical Roller Bearing, Dynamic Characteristic, High-Speed, Load Distribution, Minimum Oil-Film Thickness

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