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Principle analysis of four-column hydraulic press

  The hydraulic pump adopts a four-column hydraulic transmission grease transmission chamber, and the gear can be distributed on the top or bottom of the hydraulic cylinder through each check valve and its throttle valve. The hydraulic system software of the hydraulic press consists of three parts: material, control mechanism, organization and operation.


Since the driving power mechanism generally uses a pump as the driving force mechanism, it is generally used as a commercial pump. The four-column hydraulic press is versatile and can be used for pressing and forming various plastic and powder products, and can also be used for compensation. , Reduction and shape, there is a slight deviation in the corner part of the structure, grinding or flatness will not be a problem, this will have to be adjusted, because the hydraulic transmission system of the CNC lathe of the balance system cannot ensure that the pressure oil is evenly injected up and down Body.


A small amount is removed from the hydraulic pump. The color of the monitor changes, indicating that the information is milky white and turbid, and should be removed. It is found that the gear oil aqueous solution contains a lot of water. If burned, it will cause a lot of milky smoke, and the viscosity will decrease when touched. , Indicating that these oils are already emulsions, so they can no longer be used, a small amount of hydraulic oil and grease accumulation, grease adhesion, which means that the oil is oxidized.


If the filter paper leaves a gray-black residue, the four-column hydraulic press has a suffocating odor. It is said that the oil on the four-column hydraulic press has been oxidized, and a lot of asphalt and deformation are found, indicating that the hydraulic oil filter core oil has been oxidized by the air. , We also need to know whether the four-column hydraulic machine must change the oil. Gear oil is the key material for all four-column hydraulic machines to work normally. It is suitable for a period of time, so it is necessary to replace it immediately. The four-column hydraulic machine can work stably.

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