Effects of cage clearance on its wear in an angular contact ball bearing

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Journal of Vibration and Shock ›› 2018, Vol. 37 ›› Issue (23) : 9-14.

WEN Baogang1,2,HAN Qingkai1,2,QIAO Liuchun1,2,ZHOU Xianwen1,2

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Abstract

Cage clearances are an important parameter of ball bearings,and they directly affect cage’s force-bearing and motion,and even cage wear and bearing life.Here,based on analyzing the relation between cage clearance and its force-bearing,the effects of cage clearance on cage wear were qualitatively analyzed.Tests were conducted for these effects on a built ball bearing test rig.Under the same test conditions,tests were done for bearings with cages adopting different guiding clearances and pocket ones to analyze morphology wear features of cages and steel ball surfaces,and compare wear degrees of cages and steel ball surfaces under different cage clearances,and obtain the effect laws of cage clearance on its wear in an angular contact ball bearing.The test results showed that cage clearance significantly affects its pocket and guiding surface’s wear; increase in cage’s guiding clearance and pocket one can reduce wear degree of cage guiding surface; the study results provide a theoretical reference and a test basis for ball bearing’s cage clearance design and optimization.

Key words

angular contact ball bearing / cage / guiding clearance / pocket clearance / impact ;wear

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WEN Baogang1,2,HAN Qingkai1,2,QIAO Liuchun1,2,ZHOU Xianwen1,2. Effects of cage clearance on its wear in an angular contact ball bearing[J]. Journal of Vibration and Shock, 2018, 37(23): 9-14

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