はすば歯車対の歯面分離を考慮した回転方向振動解析 : 第2報, 広範囲負荷状態での各種歯面誤差の等価歯形誤差

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Based on the new stiffness function of a helical involute toooth pair proposed in the lst report, a method for obtaining the equivalent profile error of various tooth surface errors, including the effect of tooth deflection due to load, is proposed in this report. All of the cutting and assembly errors and the tooth surface modification are considered as various tooth surface errors on the plane of action. By considering the load, stiffness and tooth surface error predicted by a static meshing analysis, the actual average static deflection of a gear pair can be obtained. In the case of a light load, the actual deflection of the gear pair with side bearing error is larger than that with no error. Moreover, the equivalent profile error and the vibration due to the pressure angle error, shaft deviation and crowning modification, are calculated in Fortran on a 16-bit personal computer. The decrease in resonance frequency due to side bearing tooth surface errors is clarified. This phenomenon is caused by the increase of actual deflection as stated in the previous static analysis. Lastly, the influence of the above errors on the vibration is investigated, and the relationship between the vibration and the error's magnitude is shown.
1996-02-25