May 19, 2024

Mechanical equipment: how the hydraulic machine works

Mechanical equipment is required for the molding of any material structural member. These materials include steel, metal structural parts, plastic products and rubber products. The machinery mentioned here is the hydraulic machine that people often say in their mouths. The hydraulic press uses hydraulic transmission technology for pressure processing equipment, which is effectively used for forging and press forming of various materials. Here's how you can share the hydraulics.

Different types of hydraulic machines are required in many industries or fields of mechanical production. For example, in the heavy machinery manufacturing industry, mainly using water pressure 800 tons of presses and 1000 tons of presses, and in the aviation industry or plastics and non-ferrous metal processing industries, hydraulic presses are mainly used for the molding of plastic products, for pressure The size is not important. Generally, 300 tons of presses and 200 tons of presses are used, but in any case, hydraulic presses have become an important equipment necessary for the mechanical production industry.

What is the working principle of the hydraulic machine?

According to the pressing process, the hydraulic machine can complete the basic working cycle of the rapid down-down deceleration pressing, the pressure-holding delay, the pressure-returning return, and the stop (arbitrary position), and the pressure, speed and dwell time must be adjusted. The ejector hydraulic cylinder is mainly used for ejecting the workpiece, and it is required to perform the actions of ejecting, retreating, and stopping. For example, when the thin plate is stretched, it is required to lift out the auxiliary movements such as the rise, stop and pressure return of the hydraulic cylinder. Sometimes it is necessary to press the blank with a crimping cylinder to prevent wrinkles in the periphery.

The hydraulic machine uses the maximum pressure (tonnage) that the main actuator (master cylinder) may output in the main motion as the main specification of the hydraulic machine, and has been serialized. The tonnage of the top tank is often 20% to 50% of the tonnage of the master cylinder. The ejector cylinder of the extruder can be used at about 10% of the main tonnage. The tonnage of the crimping cylinder of the double-action stretching hydraulic press is generally about 60% of the tonnage of the drawing cylinder.

The speed of the master cylinder is determined by the pressure processing process. Generally, in the hydraulic system directly supplied by the pump, the working stroke speed does not exceed 50 mm/s, the fast forward speed does not exceed 300 mm/s, and the hydraulic press retreats speed and fast forward. The speed is equal.

The above is the working principle of mechanical equipment hydraulic machine.

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