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IIJME:Volume 2, Issue 7, July 2014


Spur Gear Crack Propagation Path Analysis Using Finite Element Method
Author Name:
Mr. Galande S.D, Dr. R. J. Patil
ABSTRACT An effective gear design balances strength, durability, reliability, size, weight and cost. The engineering structures may fail due to crack, which depends on the design and also on operating conditions in which it operates. It can be avoided by analyzing and understanding the manner in which it originates. It is necessary to develop design guidelines to prevent failure modes considering gear tooth fracture, by studying the crack propagation path in a spur gear. In variety of gear tooth geometry the crack propagation paths are predicted at various crack initiation location. The effects of gear tooth thickness, pitch radius, and tooth pressure angle are considered. The objective of this study was to follow the crack propagation in the tooth foot of a spur gear of milling machine gear box by the Finite Element Method (FEM). In this method Zen-crack software is used to crack detection. The tooth foot crack propagation is a function of Stress Intensity Factors (SIF) that plays a very crucial role in the life span of the gear. An appropriate methodology for predicting the crack propagation path is applied by considering gear tooth behavior in bending fatigue. The results are used to predict/prevent catastrophic rim fracture failure modes from occurring in critical components. Key words: Spur gear, Zen-crack, Crack propagation path, SIF, FEM
Cite this article:
Mr. Galande S.D, Dr. R. J. Patil , " Spur Gear Crack Propagation Path Analysis Using Finite Element Method" , IPASJ INTERNATIONAL JOURNAL OF MECHANICAL ENGINEERING (IIJME) , Volume 2, Issue 7, July 2014 , pp. 017-021 , ISSN 2321-6441.
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