Abstract
Reasonable design criteria of the optimum size of bearing/seal parts of hydraulic equipment on mixed to fluid film lubrication are presented. We treat circular hydrostatic thrust bearings as the most fundamental model for the bearing/seal parts of hydraulic equipment. The basic equations considering metallic contact and eccentric loads are derived. The effects of the surface roughness, the ratio of pocket radius, and the radius of restrictors on the optimum size are clarified. The results are arranged by the concept of the ratio of hydrostatic balance. We show that the optimum criterion corresponding to the minimum power loss is given by the ratio of hydrostatic balance being close to unity.
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More From: Proceedings of the JFPS International Symposium on Fluid Power
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