Servo Hydraulic Press is a device that uses hydraulic transmission technology for pressure processing, and can be used to complete various forging and press forming processing. For example, forging of steel, forming of metal structural parts, restrictions on plastic products and rubber products, etc. Hydraulic press is one of the first machines to use hydraulic transmission. At present, hydraulic transmission has become the primary transmission form of pressure processing machinery. In the heavy machinery manufacturing, aviation industry, plastics and non-ferrous metal processing industries, hydraulic presses have become the primary equipment.
The hydraulic transmission system of the servo hydraulic press is mainly based on pressure change, the system has high pressure, large flow, and large power. Therefore, special attention should be paid to improving the power utilization rate of the prime mover and avoiding shock and oscillation when the pressure is relieved to ensure safety and reliability.
The servo hydraulic press is based on the technical requirements of the restriction, the master cylinder can complete the basic operation cycle of rapid down-deceleration limit-pressure-holding delay-pressure relief return-stop (any position), and the pressure, speed and pressure-holding time need to be adjustable. The ejection hydraulic cylinder is mainly used to eject the workpiece, and it needs to be able to achieve ejection, retreat, and stop actions. For example, when the sheet is stretched, auxiliary actions such as lifting, stopping and pressure return of the ejector hydraulic cylinder are required. Sometimes it is necessary to press the blank with a blank holder to avoid wrinkles around it.
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