Experimental investigation of the influence of the pocket shape on the cage stability of high-precision ball bearings

被引：7

作者：

Yang, Zhaohui ^{[1
,2
]}

Niu, Xiaoliang ^{[1
]}

Li, Chonghe ^{[4
]}

Zhou, Ningning ^{[3
]}

机构：

[1] Northwestern Polytech Univ, Sch Aeronaut, Xian 710072, Peoples R China

[2] Northwestern Polytech Univ Shenzhen, Res & Dev Inst, Shenzhen 518057, Peoples R China

[3] Beijing Inst Control Engn, Beijing Key Lab Long Life Technol Precise Rotat &, Beijing 100094, Peoples R China

[4] Res Inst Management Engn, Aviat Ind Dev Res Ctr China, Beijing 100029, Peoples R China

来源：

PRECISION ENGINEERING-JOURNAL OF THE INTERNATIONAL SOCIETIES FOR PRECISION ENGINEERING AND NANOTECHNOLOGY | 2023年 / 82卷

关键词：

High-precision ball bearing; Cage stability; Cage structure; Experimental instrument; CYLINDRICAL ROLLER BEARING; FRICTIONAL INSTABILITIES; CRYOGENIC ENVIRONMENTS; DYNAMIC-BEHAVIOR; RETAINER; DEFECTS; MOTIONS;

D O I：

10.1016/j.precisioneng.2023.02.010

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The unstable motion of the cage directly affects the dynamic performance and life of high-precision ball bearings, which cause their failure or even that of the entire rotating system. The pocket shape is an important factor that determines cage stability, but research on this aspect is insufficient. Based on the ball-bearing cage stability experiment instrument, the stability of six cages with different pocket shapes was experimentally investigated. The results demonstrated that the cage with circular pockets was sensitive to changes in the working conditions, and its stability decreased significantly as the rotational speed and load increased. The stability of the cage with square pockets was better than those of the cages with combined shape pockets and non-equiangular pockets. Square pockets are considered to be the best design owing to their better stability compared to other cages.

引用

页码：62 / 67

页数：6

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