Abstract
This paper deals with the simulations of the torsional vibrations of gear driving axis, and the synthesis of vibration wave forms theoretically, by using transfer function method. The transfer function is measured between the two points, one of them is the point on which the applied force is generated by gear tooth contact, and the other is the point at which the torsional vibration of the axis is measured. Another important parameter is the applied force generated at gear contact point. The frequency spectrum of the vibration wave forms are obtained as the results of the products of the transfer function and the frequency spectrum of the applied force, and then vibration wave forms are obtained by inverse FFT of this spectrum. The results of the simulation shows that the synthesized vibration wave forms and their frequency spectra are in good agreement with the results of experiments.
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