Gas Bearing of Infinite Stiffness

[+] Author and Article Information
Zbyszko Kazimierski, Lech Brzeski, Longin Horodko

Technical University of Lodz, 1-10, 90-924 Lodz, Poland

J. Tribol 114(2), 270-273 (Apr 01, 1992) (4 pages) doi:10.1115/1.2920883 History: Received April 19, 1991; Revised October 20, 1991; Online June 05, 2008


The experiences gathered during the theoretical and experimental investigations of the thrust and journal high stiffness bearing (H.S.B.) allowed to improvement of their characteristics. New elements of the throttling system were introduced into the journal H.S.B. to make possible this improvement. It was shown that the H.S.B. can reach infinite stiffness in a wide range of the loading forces having at the same time zero or submicronic shaft displacement. Additionally, the load-displacement characteristic of the H.S.B. may have the prescribed negative displacement to make possible the full compensation of elastic deformation of connected machine parts. The influence of journal rotation on the H.S.B. load-displacement characteristics is discussed in this paper. The H.S.B. of presented characteristics may be applied to many precise devices, e.g., to ultra-precision grinding machines.

Copyright © 1992 by The American Society of Mechanical Engineers
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