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Investigation of Bending and Contact Stresses of Helical Gear Pair using Finite Element Method and Validated by ISO 6336


Investigation of Bending and Contact Stresses of Helical Gear Pair using Finite Element Method and Validated by ISO 6336
Authors : Prof. Digvijay Bhosale
Publication Date: 30-06-2016

Authors

Author(s):  Prof. Digvijay Bhosale

Published in:   International Journal of Engineering Research & Technology

License:  This work is licensed under a Creative Commons Attribution 4.0 International License.

Website: www.ijert.org

Volume/Issue:   Volume. 5 - Issue. 07 , July - 2016

e-ISSN:   2278-0181

 DOI:  http://dx.doi.org/10.17577/IJERTV5IS070035

Abstract

The traditional gear stress analysis technique is based on the International (ISO 6336:2006) and American (ANSI/AGMA) are empirically based comparator approaches for establishing contact and bending stresses in spur and helical gears. A limitation of both ISO and AGMA is a failure to correctly account for benefits from using optimized micro gear geometry accounting for the systematic deflections and manufacturing errors that increases static and dynamic stresses. In addition, they do not account for geometrical changes due to centrifugal loading and thermal expansions nor do they account for externally generated vibrations. An alternative stress analysis technique using a commercially available Finite Element Analysis Program ANSYS 12.1 is chosen to investigate the feasibility of using FEA for optimized gear stress analysis. Coupled with high performing computing technology, ANSYS is symmetrically validated against the respective ISO 6336:2006. So using finite element methods it is possible to carry out bending stress and contact stress analysis of helical gear.

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