The deformation coordination equation of worm gear for rolling cone worm gearing is introduced, and the formulae of forces analysis and the rolling - and - sliding friction coefficient are given.

本文建立了滚锥包络环面蜗杆传动蜗轮的变形协调条件，给出了该种传动受力分析的计算公式以及蜗轮与蜗杆之间滚滑摩擦系数计算公式；

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Verifying the effect of the friction between teeth on the output torque fluctuation of a spur gearing through the use of experimental method;

采用数值计算方法对无刷直流电机的电枢反应作了分析，指出了电枢反应对力矩波动的影响。

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