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Strength Evaluation and Fatigue Prediction of a Spur Gear Pair by Computer Simulation

[+] Author Affiliations
Zhong Hu, Fereidoon Delfanian

South Dakota State University

Paper No. IMECE2006-13424, pp. 905-910; 6 pages
  • ASME 2006 International Mechanical Engineering Congress and Exposition
  • Design Engineering and Computers and Information in Engineering, Parts A and B
  • Chicago, Illinois, USA, November 5 – 10, 2006
  • Conference Sponsors: Design Engineering Division and Computers and Information in Engineering Division
  • ISBN: 0-7918-4767-5 | eISBN: 0-7918-3790-4
  • Copyright © 2006 by ASME


Fatigue prediction of a three-dimensional mechanical component under dynamic load is critical for mechanical design. In this paper, computer simulation of three-dimensional dynamic stress followed by fatigue calculation was performed on a spur-gear pair using finite element modeling. Starting from gear pair geometry and operating conditions, the time histories of the dynamic loads and multi-axial stresses for a complete working cycle of a gear tooth were computed, and then post processed to produce fatigue strength information. Along with certain material properties obtained from experiments, this computer simulated fatigue design provides a useful tool for predicting fatigue failure of mechanical components.

Copyright © 2006 by ASME



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