Variable displacement piston pump vibration and noise is its common failure, but both are generally occur at the same time, not only on the machine operator harm, but also cause environmental pollution. So when this happens, why? And how should we deal with? With this question, the following is about variable piston pump vibration and noise causes and treatment methods. Causes and solutions of vibration and noise in variable displacement piston pump (1) Mechanical vibration and noise If the shaft of the pump and the motor shaft are not concentric or dead, the bearing and coupling of the rotating shaft, the damage of the elastic pad and the looseness of the mounting bolts Will produce noise. For high-speed operation or transmission of large energy pump, to regularly check and record the amplitude of each component, frequency and noise. If the frequency of rotation of the pump is the same as the natural frequency of the pressure valve, it will cause resonance and change the speed of the pump to eliminate the resonance. (2) the noise generated by the pipeline flow into the oil pipeline is too small, into the oil filter flow capacity is too small or blocked, the intake pipe into the air, the oil is too high, the oil surface is too low oil shortage and high pressure pipe In the liquid hammer and so on, will produce noise. Therefore, the correct design of the fuel tank, the correct choice of oil filters, tubing and directional valve. Read more: China Building Water Exhibition Pump Valve Tube Fittings Exhibition Water Expo Xiamen Maritime Exhibition Internet + Forum Yiwu Expo Industry Interconnection (Xiamen) Technology Co., Ltd. Asia Pump Network Editor: He Duanhui (QQ / WeChat:) http://beng.liuti.cn/ (service hotline:)
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