There are two reasons why the high-pressure plunger pump overheats

 

First, mechanical conflict generates heat.

Because the appearance of the movement is in a state of conflict or semi-interference, the moving parts collide with each other to generate heat.

The second is liquid conflict heat. High-pressure oil leaks into the low-pressure chamber through various gaps, and a lot of hydraulic energy loss is converted into heat energy.

Therefore, the precise selection of the gap between the moving parts, the volume of the oil tank and the cooler can prevent the appearance of excessive heat generation and excessive oil temperature of the pump.

In addition, the oil return filter is clogged and the back pressure of the oil return is too high, which will also cause the oil temperature to be too high and the pump body to overheat.

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