Abstract
Gears suffer by unavoidable time-varying mesh stiffness. Noise and vibrations amplitudes show the transmission error occurred within the components of power transmission error. The Gear Trax software has been used to model the gear with different amounts of backlash (from 0 mm to 1 mm by 0.2 mm increments) so that this gives a backlash due to the reduction of the thickness of the gear tooth. A plane strain analysis is used to predict the static transmission error, dynamic transmission error and time-varying mesh stiffness of spur gear with different backlash at different coefficients of friction using ABAQUS software. For finite element analysis, the mesh convergence has been done for maximum contact pressure and von Mises stress. The analytical mesh stiffness and the finite element mesh stiffness for gear without backlash have been compared, based on this the prediction time-varying mesh stiffness and transmission errors are continued to predict for the spur gear with different backlashes and coefficient of friction.
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