Elastohydrodynamic Analysis of the Sealing Performance of Rotary Shaft Helix Lip Seals—Part 1

[+] Author and Article Information
Lou Liming, Kazutoshi Yamamoto

Koyo Seiko Co. Ltd., Kashiwara, Japan

Ken Ikeuchi

Kyoto University, Kyoto, Japan

J. Tribol 120(3), 476-481 (Jul 01, 1998) (6 pages) doi:10.1115/1.2834573 History: Received February 26, 1996; Revised June 20, 1997; Online January 30, 2008


Based upon EHD theory, the sealing performance of a rotary shaft helix lip seal has been analyzed numerically using a complete hydrodynamic lubrication model. In order to verify the analytical method, several experiments are carried out under different operating conditions. After verification by the experimental results, the analytical method is used to calculate the sealing limit and the optimum seal radial load. The effects of the boundary pressure of sump side upon the pumping rate of a seal are discussed.

Copyright © 1998 by The American Society of Mechanical Engineers
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