Collision Behavior between Ball and Cage in Ball Bearing during Oscillating

doi:10.3969/j.issn.1000-1093.2022.01.023

Abstract

Abstract: For the failure of cage in ball bearing under the oscillating condition, a dynamic analysis model of oscillating ball bearing is established based on the dynamics theory of rolling bearing, and solved by the Gear stiff(GSTIFF) integer algorithm with variable steps. The effects of bearing operating parameters, lubricant traction coefficient and cage pocket clearance on the collision behavior between cage and ball are investigated. The results show that the collision force between ball and cage under the oscillating condition is obviously larger than that at constant speed. The collision force between ball and cage in the loading area is the largest, their collision force in the non-loading area is larger, and the collision force in and out of the loading area is the smallest. The collision force between cage and ball increases with increase in cage pocket clearance. The reduction in stability speed and radial load of bearing, the increase in shifting time and the use of low viscosity lubricant are beneficial to reduce the collision force between ball and cage.

Key words: deepgrooveballbearing, oscillatingcondition, bearingdynamics, collisionbehavior

CLC Number:

V233.4⁺53

ZHANG Wenhu, HU Yusheng, DENG Sier, XU Jia, LI Feng. Collision Behavior between Ball and Cage in Ball Bearing during Oscillating[J]. Acta Armamentarii, 2022, 43(1): 207-217.

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