三点现场动平衡法在汽车NVH中的应用

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By using the three point field balancing method applied to automobile NVH ,we done the vehicle field dy- namic balance to removing excessive vibration caused by high-speed car transmission shaft imbalance ,the experiment proves that the method has the advantages of simple operation to improved vehicle NVH.将三点现场动平衡法应用于汽车NVH的改进中，将整车做现场动平衡以消除因汽车高速行驶传动轴不平衡造成的过大振动，试验证明该方法操作简单，对于整车NVH的改进具有显著的效果。