Abstract
In this study, the aim is to generate a modified double circular arc tooth profile for a gear pair. The modified double circular arc gear tooth profile consists of modified double circular arcs and an involute profile joining the circular arcs. The geometrical analysis for the proposed double circular arc is presented with all the geometrical parameters. Further, an external-external gear pair with the proposed double circular arc is modeled for finite element simulation. The results are then compared with that of a gear pair with standard involute profile. The result shows that the maximum bending stress and radial stress developed in modified double circular arc tooth profile is less by 5–6% than the stresses in standard involute tooth profile.
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