30 ton hydraulic press power system principle and composition

   Generally speaking, the power system of a 30 ton hydraulic press, as the name implies, is the power source of the hydraulic press. It mainly provides the high-pressure liquid required for the hydraulic press body to work, and accepts the low-pressure liquid discharged by the return stroke. In addition, the working fluid is tested, filtered, stirred, cooled, etc. to ensure that the working fluid is in working condition. The power system is divided into two types: pump direct drive and pump accumulator drive.

The hydraulic control system of a 30 ton hydraulic press mainly delivers the high-pressure liquid provided by the power system to the required working cylinder at the right time and place, and delivers the low-pressure liquid discharged by each cylinder back to the power system. The hydraulic control system is mainly composed of various valves, valve boxes, connecting pipes, and control parts that control the correct movement of the valve. The simpler control system is very laborious because it is completed by a joystick, and is currently only used in small and simple hydraulic presses. Generally, hydraulic presses use electromagnets or follow-up relays, which makes it easier to control the movement of the valve. Over the years, computer control has been added, which has greatly improved the accuracy and automation of control. The working cycle of a hydraulic press generally includes stop, filling stroke (empty stroke downward), working stroke, and return stroke. The above-mentioned different strokes are all achieved by the correct action of various valves in the hydraulic control system.

 

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