Transient thermal analysis of grease-lubricated spherical roller bearings

被引：48

作者：

Ma, Fangbo ^{[1
]}

Li, Zhengmei ^{[1
]}

Qiu, Shengchang ^{[1
]}

Wu, Baojie ^{[2
]}

An, Qi ^{[1
]}

机构：

[1] E China Univ Sci & Technol, Sch Mech & Power Engn, Shanghai 200237, Peoples R China

[2] Lubricant Co, Tianjin Branch, SINOPEC, Tianjin 300480, Peoples R China

来源：

TRIBOLOGY INTERNATIONAL | 2016年 / 93卷

关键词：

Spherical roller bearing; Temperature rise; Thermal network method; Al-complex lubricating grease; POWER LOSS PREDICTIONS; BALL-BEARING; TEMPERATURE; NETWORKS; TORQUE;

D O I：

10.1016/j.triboint.2015.09.004

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Based on the local heat source analysis approach, a mathematical model for accurately calculating heat generation rate of grease-lubricated spherical roller bearings (SRBs) is established. The transient thermal model for a grease-lubricated SRB-shaft-bearing housing system is developed by using a thermal network method. The transient thermal model for the grease-lubricated SRB-shaft-bearing housing system is numerically solved and the results show a good agreement with the experiment results. Effects of some parameters on the temperature rise of grease-lubricated SRBs are analysed. The results show that larger rotating speed, radial load and grease filling ratio result in higher bearing temperature rise. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：115 / 123

页数：9

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