A nonlinear dynamic analysis of skidding behavior in rolling bearings using lubricant traction coefficients and cage flexibility

被引：2

作者：

Atef, Mahmoud M. ^{[1
,2
]}

Khair-Eldeen, Wael ^{[1
,2
]}

Yan, Jiwang ^{[3
]}

Nassef, Mohamed G. A. ^{[1
,4
]}

机构：

[1] Egypt Japan Univ Sci & Technol, Sch Innovat Design Engn, Ind & Mfg Engn Dept, New Borg El Arab City 21934, Egypt

[2] Assiut Univ, Fac Engn, Mech Design & Prod Engn Dept, Assiut 71515, Egypt

[3] Keio Univ, Fac Sci & Technol, Dept Mech Engn, Yokohama 2238522, Japan

[4] Alexandria Univ, Fac Engn, Prod Engn Dept, Alexandria 21928, Egypt

来源：

TRIBOLOGY INTERNATIONAL | 2024年 / 197卷

关键词：

Rolling element bearing; Skidding behavior; Lubricant traction; Nonlinear dynamic model; ELEMENT BEARINGS; ROLLER-BEARINGS; GREASE; SLIP;

D O I：

10.1016/j.triboint.2024.109756

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Skidding is a primary cause of rolling element bearing (REB) failure, which is influenced by operating conditions, lubricant properties, and bearing design. This paper presents an improved nonlinear dynamic model of REBs to analyze the impact of lubricant characteristics on REB skidding at different speed states. The model considers time-varying traction coefficient, cage flexibility, and cage pocket clearance. The selected tested lubricants include lithium grease (LGT2), compound calcium sulfonate (CCS) grease, and 4109 Chinese aviation oil. Simulation results show that CCS grease effectively reduces cage skidding, with the lowest load limits (300 N at 2000 RPM) under constant speed conditions and the highest stable limit (2932 RPM) during acceleration. LGT2 grease exhibits minimal sensitivity to acceleration and fluctuation speed parameters change.

引用

页数：17

共 46 条

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