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液压柱塞泵和齿轮泵与叶片泵相比有什么样的优点？

Time:2017-3-1 16:04:03 Click: 3348 times

柱塞泵是靠柱塞在缸体中作往复运动，进而造成密封容积的变化，来实现吸油个压油的液压泵，而它和齿轮泵与叶片泵相比，这种泵是有许多优点的：首先，构成密封容积的零件是圆柱形的柱塞与缸孔，加工较为方便，可以获得较高的配合精度，密封性能较好，在高压工作仍会有较高的容积效率；第2，只需要改变柱塞的工作行程就可以改变流量，容易实现变量；第三，柱塞泵中的主要零件均是受压应力作用，材料的强度性能可以获得充分的利用。

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