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Effect of cage dynamic unbalance on the cage’s dynamic characteristics in high-speed cylindrical roller bearings

Yongcun Cui (School of Information Engineering, Henan University of Science and Technology, Luoyang, China)
Sier Deng (School of Mechatronics Engineering, Henan University of Science and Technology, Luoyang, China; National United Engineering Laboratory for Advanced Bearing Tribology, Henan University of Science and Technology, Luoyang, China; School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an, China and Collaborative Innovation Center of Major Machine Manufacturing in Liaoning, Dalian, China)
Haisheng Yang (School of Mechatronics Engineering, Henan University of Science and Technology, Luoyang, China)
Wenhu Zhang (School of Mechatronics Engineering, Henan University of Science and Technology, Luoyang, China)
Rongjun Niu (School of Mechatronics Engineering, Henan University of Science and Technology, Luoyang, China)

Industrial Lubrication and Tribology

ISSN: 0036-8792

Article publication date: 2 August 2019

Issue publication date: 21 November 2019

304

Abstract

Purpose

The purpose of this paper is to study the influence of the cage dynamic unbalance on the dynamic performances in cylindrical roller bearings.

Design/methodology/approach

The dynamic analysis model which considering cage dynamic unbalance is presented, and the relationship between the cage dynamic unbalance and the cage stability, the cage slip ratio and the cage skew angle is investigated.

Findings

Cage dynamic unbalance has a great effect on the cage stability. The cage dynamic unbalance which in an axial excursion affects the cage characteristics is greater than that only in the radial direction. The cage slip ratio and the cage skew increases with the cage dynamic unbalance, especially with the axial excursion. The non-metal cage is more sensitive to the cage dynamic unbalance than that of the metal cage.

Originality/value

The analytical method and model can be applied by the bearing engineering designers.

Keywords

Acknowledgements

This research is financially supported by National Natural Science Foundation of China (U1404514).

Citation

Cui, Y., Deng, S., Yang, H., Zhang, W. and Niu, R. (2019), "Effect of cage dynamic unbalance on the cage’s dynamic characteristics in high-speed cylindrical roller bearings", Industrial Lubrication and Tribology, Vol. 71 No. 10, pp. 1125-1135. https://doi.org/10.1108/ILT-12-2018-0462

Publisher

:

Emerald Publishing Limited

Copyright © 2019, Emerald Publishing Limited

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