某变速器啸叫噪声分析与改善
Automobile Technology（2022）
Abstract
为了解决变速器啸叫噪声问题,提高整车声品质,文章分析了齿轮精度及齿向偏差、齿轮宏观参数、变速器壳体动力学特性等三个方面对问题挡位啸叫噪声的影响.由于齿轮宏观参数和变速器壳体已设计定形,实际降噪时采取优化齿轮的齿向倾斜偏差及鼓形量的措施,实测变速器总噪声减小3dB(A),啸叫噪声显著降低,达到可接受水平.
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