Contact stress evaluation of involute gear pairs, including the effects of friction and helix angle

Patil, S.S. and Karuppanan, S. and Atanasovska, I. (2015) Contact stress evaluation of involute gear pairs, including the effects of friction and helix angle. Journal of Tribology, 137 (4).

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Official URL: https://www.scopus.com/inward/record.uri?eid=2-s2....

Abstract

The aim of this technical brief is to provide a new viewpoint of friction factor for contact stress calculations of gears. The idea of friction factor has been coined, for the calculation of contact stresses along the tooth contact for different helical gear pairs. Friction factors were developed by evaluating contact stresses with and without friction for different gear pairs. In this paper, three-dimensional (3D) finite element method (FEM) and Lagrange multiplier algorithm have been used to evaluate the contact stresses. Initially, a spur gear finite element (FE) model was validated with the theoretical analysis under frictionless condition, which is based on Hertz's contact theory. Then, similar FE models were constructed for 5�deg, 15�deg, 25�deg, and 35�deg helical gear pairs. The contact stresses of these models were evaluated for different coefficients of friction. These results were employed for the development of friction factor.

Item Type: Article
Impact Factor: cited By 14
Uncontrolled Keywords: Friction; Gears; Helical gears; Lagrange multipliers; Tribology; Welding electrodes, Coefficients of friction; Contact Stress; Friction factors; Gear pairs; Helix angles; Hertz's contact; Involute gear; Three dimensional (3 D) finite element methods (FEM), Finite element method
Depositing User: Ms Sharifah Fahimah Saiyed Yeop
Date Deposited: 26 Mar 2022 03:24
Last Modified: 26 Mar 2022 03:24
URI: http://scholars.utp.edu.my/id/eprint/31628

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