Temperature rise of double-row tapered roller bearings analyzed with the thermal network method

被引：67

作者：

Ai, Siyuan ^{[1
]}

Wang, Wenzhong ^{[1
]}

Wang, Yunlong ^{[1
]}

Zhao, Ziqiang ^{[1
]}

机构：

[1] Beijing Inst Technol, Sch Mech Engn, Beijing 100081, Peoples R China

来源：

TRIBOLOGY INTERNATIONAL | 2015年 / 87卷

基金：

中国国家自然科学基金;

关键词：

Double-row tapered roller bearing; Thermal network method; Temperature; Power loss; ROLLING ELEMENT BEARINGS; HERSCHEL-BULKLEY MODEL; ELASTOHYDRODYNAMIC LUBRICATION; HIGH-SPEED; PREDICTION; CONTACTS; LOSSES; LIFE;

D O I：

10.1016/j.triboint.2015.02.011

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Based on generalized Ohm's law, the thermal network model (TNM) is developed for double-row tapered roller bearing lubricated with grease, which is commonly used in high-speed railway. The load distribution and kinematic parameters in bearing are obtained by developing a quasi-static model. The temperature of bearing at different speeds, filling grease ratios and roller large end radius are investigated. The results show that large rotating speed and filling grease ratio result in high temperature rise, especially at roller large end/flange contacts. Besides, an optimal roller large end radius is presented and its mechanism has been explored. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：11 / 22

页数：12

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