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  • How many kinds of common hydraulic pumps are there

    How many kinds of common hydraulic pumps are there

    How many kinds of common hydraulic pumps are there? Expand the definition of all hydraulic pumps: a machine that can change mechanical energy into hydraulic energy by changing the closed working volume to achieve liquid suction and pressure. Types of commonly used hydraulic pumps: 1. According to whether the flow can be adjusted, it can be divided into variable displacement pump and fixed displacement pump. The output flow can be adjusted according to the needs is called variable pump, and the f... Read More

    11-01-2020 News
  • Main principles of selecting hydraulic pump

    Main principles of selecting hydraulic pump

    The primary criterion for selecting a hydraulic pump is the condition demand of the centering system, and on this basis, the output, operating pressure and structural type of the pump are determined. (1) To determine the flow of the extra flow pump of the pump, the highest speed demand of the element shall be implemented satisfactorily. Therefore, the output flow QP of the pump shall be determined according to the maximum flow and the leakage required by the system, that is, QP ≥ kqmax, QP The o... Read More

    18-01-2020 News
  • Why is vane pump widely used?

    Why is vane pump widely used?

    When the rotor of vane pump rotates, under the action of centrifugal force and pressure oil, the tip of vane clings to the inner surface of stator. In this way, the working volume formed by the two blades, the rotor and the inner surface of the stator first absorbs oil from small to large and then discharges oil from large to small. When the blades rotate for one circle, the oil absorption and discharge are completed once. 1、 Working principle of single acting vane pump The pump is composed of r... Read More

    21-01-2020 News
  • Brief introduction and classification of hydraulic pump and hydraulic components

    Brief introduction and classification of hydraulic pump and hydraulic components

    A brief introduction of hydraulic pump It is a kind of hydraulic component that supplies pressurized liquid for hydraulic transmission and a kind of pump. Its effect is to convert the machine energy of power machine (such as electric motor and internal combustion engine) into the pressure energy of liquid. The output flow can be adjusted if necessary, which is called variable pump. If the flow of wiggs accessories cannot be adjusted, it is called quantitative pump. There are three kinds of pumps... Read More

    10-02-2020 News
  • What is the difference between internal gear pump and external gear pump

    What is the difference between internal gear pump and external gear pump

    The difference between internal gear pump and external gear pump is: different composition, different principle and different leakage. 1、 Different composition 1. Internal gear pump: the internal gear pump is composed of a pair of internal gears which mesh with each other, crescent shaped parts and pump shell in the middle. 2. External gear pump: external gear pump is composed of external driving gear, driven gear, pump body, pump cover and safety valve. 2、 Different principles 1. Internal gear ... Read More

    15-02-2020 News
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