Abstract
Abstract There is a growing demand for superior performing gear drives which can bear huge loads and has better endurance at high speed. Also, these gear pair should cost less and have a longer life of operation. There are some applications like automobile drive train, Aero-Engine, wind turbines where the loading on the gear drive is uni-directional. This gives the designers to freely look into non-standard gear design, where the drive side of the the gear needs not be symmetric when compared with the coast side. This led to developing of Asymmetric gear teeth. This work assesses in depth the dynamic contact behaviors of an involute asymmetric gear pair. The effect of the pressure angle change on the drive side is analyzed. Matlab was used to generate the gear teeth. This research gave an insight for evaluating the dynamic gear contact and predicting the dynamic loads occurring on gear tooth, which helps to optimize gear parameter design and to understand the complex gear meshing effect phenomenon. Dynamic analysis of spur gear pairs was solved numerically using LS-DYNA. The spur gear pair's dynamic fillet stress was correlated with an experimental result. The simulation results indicate that the stress distribution of the gear surface is governed by alteration of the tooth pressure angle. The current solution by the finite element application is intended to be implemented in gear dynamics for better understanding of the transient behavior and its harmonics.
Published Version
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