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2014•Unpublished venueRequires access

Contact stress analysis of involute spur gear by Finite Element Method (FEM)

Shiferaw Damtie, Daniel Tilahun

Open publisher page 4 citations

Abstract

In this paper the contact stress in rolling-sliding contact of involute spur gear and the effect of coefficient of friction was analyzed. To achieve this, first, three dimensional involute spur gear pairs were developed in Solid works 2012 Premium and the 3D model was exported to ANSYS workbench 14.5. Next, the analysis was done using both FEM and Hertizian stress formula. Thus, it is found that the contact stress both in the FEM and analytical method is the similar with minimum variation. In addition, it is found that the contact stress increases with higher coefficient of friction between the areas of contact. Therefore, the analytical method can be applied for gear design of high load carrying capacity effectively. Keywords: Contact Stress, Involute Spur gear, FEM

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What this paper is about

In this paper the contact stress in rolling-sliding contact of involute spur gear and the effect of coefficient of friction was analyzed. To achieve this, first, three dimensional involute spur gear pairs were developed in Solid works 2012 Premium and the 3D model was exported to ANSYS workbench 14.5. Next, the analysis was done using both FEM and Hertizian stress formula. Thus, it is found that the contact stress both in the FEM and analytical method is the similar with minimum variation. In addition, it is found that the contact stress increases with higher coefficient of friction between the areas of contact. Therefore, the analytical method can be applied for gear design of high load carrying capacity effectively. Keywords: Contact Stress, Involute Spur gear, FEM

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Available abstract

In this paper the contact stress in rolling-sliding contact of involute spur gear and the effect of coefficient of friction was analyzed. To achieve this, first, three dimensional involute spur gear pairs were developed in Solid works 2012 Premium and the 3D model was exported to ANSYS workbench 14.5. Next, the analysis was done using both FEM and Hertizian stress formula. Thus, it is found that the contact stress both in the FEM and analytical method is the similar with minimum variation. In addition, it is found that the contact stress increases with higher coefficient of friction between the areas of contact. Therefore, the analytical method can be applied for gear design of high load carrying capacity effectively. Keywords: Contact Stress, Involute Spur gear, FEM

Key concepts: Involute, Finite element method, Workbench, Involute gear, Spur gear, Spur, Contact mechanics, Stress (linguistics)

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