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Micropitting Generation Mechanism for Gears
Nobuyoshi Yoshida and Tokihiko Taki
Department of Mechanical Engineering, Okayama University of Science
1-1 Ridai-cho, Okayama-shi, Okayama 700-0005, Japan
Received:April 15, 2008Accepted:June 2, 2008Published:September 5, 2008
Keywords:micropitting, generation mechanism, gear, stress analysis
Abstract
To determine the mechanism behind micropitting, we measured micropit shape occurring in surface durability test, based on the real contact area size formed by asperity interaction in surface roughness. Individual micropitting within surface roughness asperity does not exceed asperity size. Micropitting occurs due to contact stress increased by a high friction coefficient due to metallic contact. Stress analysis showed that maximum stress causes micropitting.
Cite this article as:N. Yoshida and T. Taki, “Micropitting Generation Mechanism for Gears,” Int. J. Automation Technol., Vol.2 No.5, pp. 341-347, 2008.Data files:
