Source：Shuntec Update：2022-01-28-05:59:27Views：157
·How to choose hydraulic pump?
The basic parameters for selecting oil pumps for hydraulic presses are pressure, flow rate, rotational speed, and efficiency. Generally, they should be selected according to the actual working conditions of the system. In order to improve the reliability of the system and prolong the service life of the pump. Generally in fixed equipment, the normal working pressure of the hydraulic system can be selected as 70%-80% of the rated pressure of the pump. The working pressure of the hydraulic system for vehicles can be selected as 50%-60% of the rated pressure of the pump.
The second most important factor in choosing a pump is the flow rate or displacement of the pump. The flow rate of the pump is related to the working conditions. The flow rate of the pump should be greater than the maximum flow rate when the hydraulic system is working. The efficiency value of the pump is a reflection of the quality of the pump. Generally, the common working parameters of the main engine should be in the high-efficiency region of the pump efficiency curve. In addition, the maximum pressure and maximum speed of the pump should not be used at the same time to prolong the service life of the pump. The speed of the pump should not exceed the maximum speed value.
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