Finite Element Analysis Of Stresses In Involute Spur & Helical Gear

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2011-03-03

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Mechanical Engineering

Abstract

Developing an analytical approach and modeling procedure to evaluate stress distribution under velocity and moment would provide a useful tool to improve spur gear design with high efficiency & low cost. The purpose of this work is to analyze and validate the stress distribution in spur & helical gears using contemporary commercial FEM program ANSYS coupled with the Pro/E solid modeler. Gear profiles are created in Pro Engineer using the Relation and Equation modeling procedure so as to make it a general model, dependant on certain key features like number of teeth, diametral pitch, and pressure and helix angle. These models were then analyzed for 3-D and 2-D bending stresses. Calculated results obtained when compared to standard AGMA stresses show good agreement.

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