一、前言 旋片式真空泵是当今世界上产量最大。应用最广的真空获得设备。仅我厂1983年就生产了8813台。由于高的噪声会使人烦噪和易于疲劳,影响工作,甚至还会影响人的寿命。因此,泵的噪声水平就日益引人关注。 我国一些老产品的噪声与国际先进水平有较大差距,甚至还有达不到部 First, the preface Rotary vane vacuum pump is the largest production in the world today. The most widely used vacuum to get the device. Only our factory produced 8,813 sets in 1983. Because of the high noise can annoy people and fatigue, affect work, and even affect people’s life. As a result, the pump noise level is of increasing concern. The noise of some old products in our country has a big gap with the international advanced level, and even there is not enough department