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Effects of Rolling on Load Bearing Capacity of Sintered Metal Gears

[+] Author Affiliations
Takao Koide, Kouitsu Miyachika, Chiaki Namba

Tottori University, Tottori, Japan

Takatoshi Maemori

Suzuki Motor Corporation, Hamamatsu, Japan

Teruie Takemasu

Tokyo University of Science, Chino, Japan

Paper No. DETC2007-34065, pp. 855-862; 8 pages
  • ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 7: 10th International Power Transmission and Gearing Conference
  • Las Vegas, Nevada, USA, September 4–7, 2007
  • Conference Sponsors: Design Engineering Division and Computers and Information in Engineering Division
  • ISBN: 0-7918-4808-6 | eISBN: 0-7918-3806-4
  • Copyright © 2007 by ASME


This paper describes the effects of surface rolling on the load bearing capacity of sintered metal gears. Sintered metal gears and rollers were surface-rolled under various amounts of rolling. The effects of rolling on the surface properties were examined by measuring the porosities and hardness near the surfaces of the rolled gear teeth and rollers. Bending fatigue tests for the surface-rolled sintered metal gears and contact fatigue tests for the rollers were carried out. The effects of the amount of rolling on the load bearing capacity of sintered metal gears and rollers were determined, and these results were compared with the results for as-sintered and wrought steel gears and rollers.

Copyright © 2007 by ASME



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