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The working principle of single column hydraulic press

by:WORLD     2022-11-06
The working principle of the single-column hydraulic press


A single-column hydraulic press is a device that uses liquid to transmit pressure. Liquids obey Pascal's law when they transmit pressure in a closed container. The hydraulic transmission system of the single-column hydraulic press consists of a power mechanism, a control mechanism, an executive mechanism, an auxiliary mechanism and a working medium.

A hydraulic press is a device that uses liquid to transmit pressure. Liquids obey Pascal's law when they transmit pressure in a closed container.

The hydraulic transmission system of the hydraulic press consists of a power mechanism, a control mechanism, an executive mechanism, an auxiliary mechanism and a working medium.

The power mechanism usually uses an oil pump as the power mechanism, generally a positive displacement oil pump. In order to meet the requirements of the movement speed of the actuator, choose one oil pump or multiple oil pumps. Gear pump for low pressure (oil pressure less than 2.5MP); vane pump for medium pressure (oil pressure less than 6.3MP); plunger pump for high pressure (oil pressure less than 32.0MP).

Hydraulic machines usually refer to hydraulic pumps and hydraulic motors. Both hydraulic pumps and hydraulic motors are energy conversion devices in the hydraulic system. The difference is that the hydraulic pump converts the mechanical energy of the driving motor into the pressure energy of the oil, which is the power device in the hydraulic system. The hydraulic motor converts the pressure energy of the oil into mechanical energy and is the executive device in the hydraulic system.

Hydraulic pumps and hydraulic motors commonly used in hydraulic systems are volumetric, and their working principle is to use the change of the sealing volume to absorb and press oil. In terms of working principle, most hydraulic pumps and hydraulic motors are reciprocal, that is, when the pressure oil is input, the hydraulic pump becomes a hydraulic motor, and the speed and torque can be output, but structurally, the hydraulic pump and the hydraulic motor are still Some differences. This article is from the official website of the manufacturer WORLD Press Machine www.pressmachine-world.com, please indicate the source for reprinting!





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