3520V25A5-1AA22R 3520V25A5-1CC22R威格士VICKERS柱塞泵

机械振动和噪声

如泵轴和电机轴不同心或顶死，旋转轴的轴承、联轴节损伤，弹性垫破损和装配螺栓松动均会产生噪声。对于高速运转或传输大能量的泵，要定期检查，记录各部件的振幅、频率和噪声。如泵的转动频率与压力阀的固有频率相同时，将会引起共振，可改变泵的转速以消除共振。

管道内液流产生的噪声

进油管道太细、进油滤油器通流能力过小或堵塞、进油管吸入空气、油液豁度过高、油面过低吸油不足和高压管道中产生液击等，均会产生噪声。因此，必须正确设计油箱，正确选择滤油器、油管和方向阀。

美国威格士VICKERS柱塞泵

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