赫兹
接触理论
刚度
润滑
材料科学
接触力学
方位(导航)
接触面积
球(数学)
机械
接触力
接触分析
摩擦学
工作(物理)
变形(气象学)
结构工程
复合材料
有限元法
物理
经典力学
工程类
几何学
热力学
数学
量子力学
天文
作者
Jiyin Tian,Su He,Zijia Wang,Koucheng Zuo,Dongfeng Wang,Dan Guo
标识
DOI:10.1016/j.triboint.2024.109251
摘要
Stiffness is the key dynamic parameter of the angular contact ball bearing. This work established a dynamic bearing model based on Hertz theory and thermo-elastohydrodynamic lubrication (TEHL) and compared the contact angle, inner race position, and stiffness. In most cases, the stiffness calculated via Hertz was higher than when using TEHL. The axial stiffness values determined via the two theories were close, while the radial stiffness calculated via the Hertz theory was smaller than that determined by TEHL under light load and high speed. Considering the elastic deformation of the races and the initial contact angle, the results obtained by TEHL displayed a lower error rate in the experiment than Hertz.
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