Thin film profile and interfacial temperature of worn bearings based on mixed thermal-elastohydrodynamic lubrication

被引：7
作者：
Fang, Xue-Qian [1 ,2 ,3 ]
Ning, Yao [1 ,2 ]
Yang, Shao-Pu [1 ,4 ]
机构：
[1] Shijiazhuang Tiedao Univ, State Key Lab Mech Behav & Syst Safety Traff Engn, Shijiazhuang 050043, Hebei, Peoples R China
[2] Shijiazhuang Tiedao Univ, Dept Engn Mech, Shijiazhuang, Hebei, Peoples R China
[3] Hebei Key Lab Intelligent Mat & Struct Mech, Shijiazhuang, Hebei, Peoples R China
[4] Shijiazhuang Tiedao Univ, Sch Mech Engn, Shijiazhuang, Hebei, Peoples R China
来源：
MECHANICS BASED DESIGN OF STRUCTURES AND MACHINES | 2022年 / 50卷 / 12期
基金：
中国国家自然科学基金;
关键词：
Ball bearings; interfacial temperature; thermal-elastohydrodynamic lubrication; thin film profile; worn band; HYDRODYNAMIC JOURNAL BEARINGS; NONLINEAR FREE-VIBRATION; CONTACT ANALYSIS; SURFACE; PROPAGATION; BEHAVIOR; FATIGUE; DESIGN; MODEL;
D O I：
10.1080/15397734.2020.1828913
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
Based on mixed thermal-elastohydrodynamic lubrication, the dynamic contact of ball bearings with worn band is investigated, and the film thickness, pressure, profile and interfacial temperature are analyzed. The temperature-pressure-viscoelastic equation of lubricant is constructed. The surface roughness, the elastic deformation and the worn band are included in the film thickness. The discretization method and compound iteration method are combined to solve the problem. Through numerical examples, the distribution and contour of film thickness, pressure and temperature with consideration of surface roughness and worn band are discussed, and the point contact with lower entrainment speed is found.
引用
收藏
页码：4186 / 4207
页数：22
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