Design for static stiffness of hydrostatic plain bearings: constant compensations

Yuan Kang (Department of Mechanical Engineering, Chung Yuan Christian University, Chung Li, Taiwan)
Jian‐Lin Lee (Department of Mechanical Engineering, Chung Yuan Christian University, Chung Li, Taiwan)
Hua‐Chih Huang (Mechanical and Systems Research Laboratories, Industrial Technology Research Institute, Taichung, Taiwan)
Ching‐Yuan Lin (Mechanical and Systems Research Laboratories, Industrial Technology Research Institute, Taichung, Taiwan)
Hsing‐Han Lee (Department of Mechanical Engineering, Chung Yuan Christian University, Chung Li, Taiwan)
De‐Xing Peng (Department of Vehicle Engineering, Army Academy R.O.C., Chung Li, Taiwan)
Ching‐Chu Huang (Department of Product Design, Chin Min College, Toufen, Taiwan)

Industrial Lubrication and Tribology

ISSN: 0036-8792

Publication date: 3 May 2011

Abstract

Purpose

The paper aims to determine whether the type selection and parameters determination of the compensation are most important for yielding the acceptable or optimized characteristics in design of hydrostatic bearings.

Design/methodology/approach

This paper utilizes the equations of flow equilibrium to determine the film thickness or displacement of worktable with respect to the recess pressure.

Findings

The stiffness due to compensation of constant‐flow pump increases monotonically as recess pressure increases. Also, the paper considers which is larger than that due to orifice compensation and capillary compensation at the same recess pressure ratio.

Originality/value

The findings show that the usage range of recess pressure and compensation parameters can be selected to correspond to the smallest gradient in variations of worktable displacement or film thickness.

Keywords

Citation

Kang, Y., Lee, J., Huang, H., Lin, C., Lee, H., Peng, D. and Huang, C. (2011), "Design for static stiffness of hydrostatic plain bearings: constant compensations", Industrial Lubrication and Tribology, Vol. 63 No. 3, pp. 178-191. https://doi.org/10.1108/00368791111126608

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Publisher

:

Emerald Group Publishing Limited

Copyright © 2011, Emerald Group Publishing Limited

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