Effects of the radial force on the static contact properties and sealing performance of a radial lip seal

被引：21
|
作者：
Jia XiaoHong [1 ]
Guo Fei [1 ]
Huang Le [1 ,2 ]
Wang LongKe [3 ]
Gao Zhi [1 ]
Wang YuMing [1 ]
机构：
[1] Tsinghua Univ, State Key Lab Tribol, Beijing 100084, Peoples R China
[2] Guangzhou Mech Engn Res Inst Co Ltd, Guangzhou 510700, Guangdong, Peoples R China
[3] Eaton Corp, Eden Prairie, MN 55334 USA
来源：
SCIENCE CHINA-TECHNOLOGICAL SCIENCES | 2014年 / 57卷 / 06期
基金：
中国国家自然科学基金;
关键词：
lip seal; radial force; static contact properties; pumping rate; friction torque;
D O I：
10.1007/s11431-014-5548-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The radial force is a critical factor to determine the sealing performance of radial lip seals. The effects of radial force produced by garter spring and interference on the static contact properties and sealing performance of a radial lip seal are investigated by numerical simulations and experiments. Finite-element analysis and mixed elastohydrodynamic lubrication simulation are used. Radial force, contact width, temperature in the sealing zone, the reverse pumping rate and friction torque are measured. A critical value of interference for a cost-effectively designed radial lip seal is found. Spring force is required to compensate the decrease of the radial force because of the interference and used as a possible way to obtain intelligent control of sealing performance. The quantitative results gotten in this study could provide guide for the seal design and improvement.
引用
收藏
页码：1175 / 1182
页数：8
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