Discussion on the working stage of plunger pump

 
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meishengchao



Joined: 20 Jul 2015
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PostPosted: Fri Jun 19, 2020 3:15 am    Post subject: Discussion on the working stage of plunger pump Reply with quote

Plunger pump manufacturers tell us that plunger pump is an important device of hydraulic system. It relies on the reciprocating movement of the plunger in the cylinder block to change the volume of the sealing working chamber to achieve oil absorption and pressure. Let's look at the working stage of the plunger pump.
When working, under the action of the cam and plunger spring on the camshaft of the fuel injection pump, the plunger is forced to move up and down, so as to complete the task of pump oil. The process of pump oil can be divided into the following three stages.
① The total stroke l of plunger reciprocating motion is constant, which is determined by the lift of cam.
② The amount of oil supply for each cycle of the plunger depends on the oil supply stroke, which is variable without being controlled by the camshaft.
③ The start time of oil supply does not change with the change of oil supply stroke.
④ Turning the plunger can change the end time of oil supply, thus changing the oil supply quantity.
Through the description of the plunger pump manufacturer, I believe you have understood the working process of the plunger pump.
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