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Effect of Surface Texturing on Lubricating Condition under Point Contact Using Numerical Analysis

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Author(s): Yuji Ohue | Hideki Tanaka

Journal: Engineering
ISSN 1947-3931

Volume: 05;
Issue: 04;
Start page: 379;
Date: 2013;
Original page

Keywords: Lubricating | Surface Texturing | Point Contact | Dimple | Minimum Oil Film Thickness

ABSTRACT
The contact fatigue life of machine elements is affected by pitting, wear and so on, under heavier loading conditions. Increasing the fatigue life requires mainly the improvements of lubricating condition, operating condition and materials. In order to improve the lubricating condition, it is necessary to investigate the relation of the microscopic surface texturing and the contact modes of machine elements. In this paper, thus, the pressure and oil film thickness of the contact between sphere and the plate with 5 kinds surface texturing were calculated using a commercial software based on Reynolds equation. There was sufficient evidence to suggest that the dimple shape was the optimum texturing to increase the lubricating condition.
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