When we had a four-column hydraulic press and wanted to use it for work, we found that we would not use the four-column hydraulic press.Then what can we do?
Four-column hydraulic press is suitable for the plastic material of the pressing process. Such as powder molding, plastic molding, cold (hot) extrusion metal forming, sheet stretching and transverse pressure, bending, turning, correction and other processes.
Proper attention should be paid to the storage and transport of working oil. Oil tank should be added special signs and cover up.In the winter, pay attention to the barre, not let the air condensed into water and mixed into oil, and not let the rusty piexe fall into barrel. At winter, should adopt some preventive measures for driver and other mechanical system,such as cover antifreeze, heating insulation, change low viscosity working oil, these are applicable to the hydraulic system.
In the winter or worse operating conditions, need check and maintenance four-column hydraulic system , often change the working fluid.
Four-column hydraulic press hydraulic machine common faults and maintenance methods: in the hydraulic drive system, there are some precision parts. For the mechanical transmission of the hydraulic, people feel it is very convenient, but at the same time feel it is easy to damage. The reason is not very clear of its working principle and structural characteristics, and not understand its preventive and maintenance methods.
The hydraulic system has three basic "pathogenic" factors: pollution, overheating and air entry into. These three negative factors have a close internal relationship, the emergence of any one of these problems, will be associated with another or more problems. Proved by the practice, the hydraulic system 75% "pathogenic" reasons, are caused by these three.
1.working fluid due to enter dirt to deterioration
2.overheating
3.into air solution: When cleaning and assembly some main precision parts, need in a very clean room, the room should have a clean floor and closed doors and windows, the temperature is best maintained at around 200 degree.
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