Exact Two-Dimensional Theory of Spherical Spiral Groove Bearings

[+] Author and Article Information
Susumu Murata, Yutaka Miyake, Nobuyoshi Kawabata

Department of Mechanical Engineering, Osaka University, Yamada-Kami, Suita, Osaka, Japan

J. of Lubrication Tech 102(4), 430-438 (Oct 01, 1980) (9 pages) doi:10.1115/1.3251577 History: Received March 31, 1980; Online November 17, 2009


This paper is concerned with a method of obtaining exact solution for the flow of fluid film of spherical spiral groove bearing. The problem is analyzed for three cases where the centers of two elements of a bearing coincide, slightly offset vertically and arbitrarily offset vertically. Effects of bearing parameters on the load capacity are examined. A perturbation technique is applied for the case of slight offset of centers of two spheres, and the stiffness is calculated. For the case of large offset, a new iterative method is developed in this paper.

Copyright © 1980 by ASME
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