The working principle of a four-column hydraulic press
Release time:
2015-01-29
Source:
The working principle of a four-column hydraulic press is that the oil pump delivers hydraulic oil to the integrated cartridge valve block. Through various check valves and relief valves, the hydraulic oil is distributed to the upper or lower chamber of the hydraulic cylinder. Under the action of high-pressure oil, the hydraulic cylinder moves. A hydraulic press is a device that uses liquid to transmit pressure. When liquid transmits pressure in a closed container, it follows Pascal's law. The hydraulic transmission system of a four-column hydraulic press consists of a power unit, a control unit, an actuator, an auxiliary unit, and a working medium. The power unit usually uses an oil pump as the power unit, generally a gear pump. In order to meet
The working principle of a four-column hydraulic press involves an oil pump delivering hydraulic oil to an integrated cartridge valve block. Through various check valves and relief valves, the hydraulic oil is distributed to the upper or lower chamber of the hydraulic cylinder. Under the action of high-pressure oil, the cylinder moves. A hydraulic press is a device that uses liquid to transmit pressure. When liquid transmits pressure in a closed container, it follows Pascal's Law.
The hydraulic transmission system of a four-column hydraulic press consists of a power unit, a control unit, an actuator, an auxiliary unit, and a working medium. The power unit typically uses an oil pump, usually an accumulator pump. To meet the speed requirements of the actuator, one or more oil pumps are selected. Low-pressure (oil pressure less than 2.5MP) uses gear pumps; medium-pressure (oil pressure less than 6.3MP) uses vane pumps; high-pressure (oil pressure less than 32.0MP) uses plunger pumps. It is used for pressure processing and shaping of various plastic materials, such as extrusion, bending, stretching of stainless steel plates and steel plates, and cold pressing of metal parts. It can also be used for pressing powder products, grinding wheels, resin-bonded wood, and thermosetting resin products.
Four-column hydraulic presses are simple, economical, and practical. The appearance adopts an octagonal shape. The control electrical box uses a glass door and can be controlled by PLC computer or ordinary electrical appliances. It features reliable operation, intuitive operation, and easy maintenance. Independent button centralized control. It has two operating modes: adjustment and two-handed single cycle. Hydraulic control can adopt a cartridge valve integrated system, which is reliable in operation, has a long service life, and has low hydraulic impact, reducing connecting pipelines and leakage points, or ordinary hydraulic control.
Four-column hydraulic presses have wide versatility and are suitable for processing and shaping various plastic materials, such as extrusion, bending, flanging, and stretching. They can also be used for pressing and shaping various plastics and powder products. In addition, they can also be used for product correction, pressing, and shaping.
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