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How to solve the problem of small hydraulic press

by:WORLD     2022-09-27
Speed ​​adjustment is an important part of the hydraulic system of a small hydraulic press. If the speed of the actuator is not normal, the machine cannot work. Today, Shanghai WORLD Press Machine will introduce to you the main faults of the speed control system of small hydraulic presses and their causes:









1. The main reasons for the lack of small feed for small hydraulic press actuators (hydraulic cylinders, hydraulic motors):



2. The orifice of the throttle valve of the small hydraulic press is blocked, resulting in no small flow or unstable small flow.



3. The spring of the fixed differential pressure reducing valve of the speed control valve is too soft, so that the pressure difference before and after the throttle valve is too low, resulting in unstable small flow through the speed control valve.



4. The pressure reducing valve in the speed control valve is stuck, causing the pressure difference before and after the throttle valve to change with the external load. It is often seen that the minimum feed is increased due to the small load when the feed is small.

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