遊星歯車装置における浮動歯車のセルフセンタリング軌跡と特異振動軌跡

概要

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Both self centering path and abnormal vibration orbit of a floating sun gear shaft in a star type planetary gear train which were observed in the experiments are numerically simulated with a simple dynamic model. The model is composed of a floating sun gear with three degree of freedom x, y and θ and meshing springs with backlash which support the sun gear. Effects of the gravitational force and applied exciting torque are also considered in the model. Equations of motion are solved by the Runge Kutta method under the conditions that a frequency of applied exciting torque is very small to obtain the selfcentering path, or it is equal to a torsional natural frequency of the model to obtain the abnormal vibration orbit. The simulated results are in good accordance with the experimental ones.
1999-07-25