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Effect of Geometric Error of Inner Raceway on Motion of Cylindrical Roller Bearings Under Radial Load

[+] Author Affiliations
Li Jishun, Yu Yongjian, Xue Yujun, Zhou Yuankun

Henan University of Science and Technology, Luoyang, China

Guan Zhiqiang

University of Queensland, Brisbane, Australia

Paper No. DETC2018-85215, pp. V004T05A036; 7 pages
doi:10.1115/DETC2018-85215
From:
  • ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 4: 23rd Design for Manufacturing and the Life Cycle Conference; 12th International Conference on Micro- and Nanosystems
  • Quebec City, Quebec, Canada, August 26–29, 2018
  • Conference Sponsors: Design Engineering Division, Computers and Information in Engineering Division
  • ISBN: 978-0-7918-5179-1
  • Copyright © 2018 by ASME

abstract

The motion error of bearing depends highly on the geometric profile of bearing components. Therefore, it is crucial to establish a correlation between the geometric error of bearing components and the motion error of an assembled bearing, which is required for designing and manufacturing bearings with high accuracy of motion. In this paper, authors derived a geometric compatibility equation for cylindrical roller bearing considering the geometric error of bearing inner raceway. Based on the load balance and the geometric compatibility derived, a mathematical model of motion accuracy is established, and the model is also validated. The effect of geometric error such as the amplitude of roundness error and dimension error of bearing inner raceway, and radial clearance on the bearing motion error is investigated. Results show that the motion error of the bearing increases with the amplitude of the roundness error of inner raceway, and reduces with the increase of radial load. The results indicated that the motion accuracy can be improved by controlling the distribution of machining tolerance of bearing components.

Copyright © 2018 by ASME

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