软质隔声材料在拖拉机驾驶室降噪中的应用

Using Soft Insulating Material to Reduce Noise in Tractor Cab

简要介绍了软质隔声材料的性能,分析了软质隔声材料应用于拖拉机驾驶室上的优点,并在上海50拖拉机上进行了应用性试验,取得了降低驾驶室内噪声3.?B(A)的良好效果。

The paper briefly introduces the soft insulating material and analyses the advan-tage of using soft insulating material in tractor cab,the test has been carried on a Shanghai-50 trac-tor with the result of noise in the cab reducing by 3.3dB(A).