The mechanism of vibration of rotary piston vacuum pump is investigated and the vibration sources of the pump are identified by using the spectrum analysis and waveform analysis techniques.

• 对滑阀真空泵的振动机理进行研究，用谱分析和波形分析等技术识别泵的振源；对泵进行动力分析，定量计算振动力的大小。