The gears of austempered ductile iron (ADI) and the gear profile modification technique can effectively reduce transmitting gear's noise.

应用奥贝球铁(adi)代替合金钢制造传动齿轮并进行齿形修正，显著降低噪声水平。

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Therefore, it is significant for improving the performance of wind turbine to study the dynamics of helical gear boxes and its gear profile modification technology.

因此，研究增速箱斜齿轮的动力学特性及齿廓修形技术对于提高风机运行的性能具有很大的意义。

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A mathematical model for the optimization of gear dynamic performance is developed and the optimum gear profile modification parameters are then determined by the optimal design approach.

在动态分析的基础上建立了齿轮动态性能优化数学模型，以齿轮动态性能最优为目标，采用优化设计方法，确定最佳齿廓修形量和修形长度。

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