Srđan Podrug (Author), Damir Jelaska (Author), Srečko Glodež (Author)

Abstract

A computational model for determination of the service life of gears with regard to bending fatigue at gear tooth root is presented. In conventional fatigue models of the gear tooth root, it is usual to approximate actual gear load with a pulsating force acting at the highest point of the single tooth contact. However, in actual gear operation, the magnitude as well as the position of the force changes as the gear rotates. A study to determine the effect of moving gear tooth load on the gear service life is performed. The fatigue process leading to tooth breakage is divided into crack-initiation and crack-propagation period. The critical plane damage model has been used to determine the number of stress cycles required for the fatigue crack initiation. The finite-element method and linear elastic fracture mechanics theories are then used for the further simulation of the fatigue crack growth.

Keywords

crack closure;crack initiation;crack propagation;gear tooth root;moving load;

Data

Language: English
Year of publishing:
Typology: 1.01 - Original Scientific Article
Organization: UM FS - Faculty of Mechanical Engineering
UDC: 621.8:539.3
COBISS: 12386838 Link will open in a new window
ISSN: 8756-758X
Views: 1107
Downloads: 81
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Other data

Secondary language: English
URN: URN:SI:UM:
Pages: str. 327-339
Volume: ǂVol. ǂ31
Issue: ǂiss. ǂ5
Chronology: 2008
DOI: 10.1111/j.1460-2695.2008.01229.x
ID: 8716982