Structural optimization of lubrication device for high speed angular contact ball bearing based on internal fluid flow analysis

被引：29

作者：

Yan, Ke ^{[1
]}

Zhang, Jinhua ^{[2
]}

Hong, Jun ^{[1
,2
]}

Wang, Yatai ^{[1
]}

Zhu, Yongsheng ^{[1
]}

机构：

[1] Xi An Jiao Tong Univ, Key Lab Educ, Minist Modern Design & Rotor Bearing Syst, Xian 710049, Peoples R China

[2] Xi An Jiao Tong Univ, State Key Lab Mfg Syst Engn, Xian 710049, Peoples R China

来源：

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2016年 / 95卷

基金：

中国国家自然科学基金;

关键词：

Angular contact ball bearing; Oil-air flow characteristic; Lubrication device structure; Lubrication performance; CHAMBERS;

D O I：

10.1016/j.ijheatmasstransfer.2015.12.036

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Lubrication performance is crucial for operating and frictional feature of high speed rolling bearing. In this paper, for B7008C angular contact ball bearing under outer ring guiding condition, the internal fluid flow and pressure distribution were investigated in condition of oil-air lubrication. The fluid flow characteristics inside bearing cavity and contact area were analyzed. Based on this, the oil-air flow and lubrication performance of two types of lubrication devices were discussed, and the key structural parameters were investigated and improved. Finally, the optimal oil-air supplying parameters and operating performance of the two devices were obtained via experimental testing. The limiting rotation speed of the specific B7008C bearing was improved by 6.0 x 10(3) r/min with the optimal lubrication device structure. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：540 / 550

页数：11

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