Introduction of four-column hydraulic press

The four-column Hydraulic Press is a kind of mechanical equipment that uses the static pressure of the hydraulic oil delivered by the oil pump to process metal, plastic, rubber, wood, powder and other products. It is often used in pressing processes and press forming processes, such as: forging, stamping, cold extrusion, straightening, bending, flanging, sheet deep drawing, powder metallurgy, press fitting and so on. Its principle is to make use of Pascal’s law to make use of hydraulic pressure transmission machinery, there are many types. Of course, the use is also diverse according to needs. For example, according to the type of liquid that transmits pressure, there are two categories: hydraulic press and hydraulic press.

How is the four-column hydraulic press maintained?

Pay great attention to the storage and transfer of working oil. Oil drums should be specially marked and covered up. In winter, be careful not to mix the oil into the barrel due to the air condensing into moisture, and do not drop the rusty rust on the barrel skin into the barrel. A number of preventive measures taken for the engine and other mechanical systems in winter, such as covering up anti-freezing, heating and insulating, and changing to low-viscosity working oil, are all applicable to hydraulic systems. …

In winter and under bad working conditions, the four-column hydraulic press system should be inspected and maintained frequently, and the working fluid should be changed frequently. …

Four-column hydraulic press Common failures and maintenance methods of hydraulic presses: often in the hydraulic transmission system, there are some relatively precise parts. Although people feel labor-saving and convenient for mechanical hydraulic transmission, they also feel that it is easy to damage. The main reason is that it is not very clear about its working principle and structural characteristics, and therefore does not know much about its preventive maintenance methods. There are three basic “pathogenic” factors in hydraulic systems: pollution, overheating and air intake. These three unfavorable factors have a close internal relationship. Any one of them will cause another one or more problems.

It has been proved by practice that 75% of the “diseases” causes of the hydraulic system are caused by these three factors:

  • 1. The working fluid has deteriorated due to contamination;
  • 2. Overheating;
  • 3. Air entry solution: The cleaning and assembly of some major precision parts in the system should be carried out in a very clean room. The room should have a clean floor and closed doors and windows. The temperature should preferably be kept at about 200C.

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