The hydraulic valve of the hydraulic press cannot rise

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Power Press Machine
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Hydraulic Shearing machine
Decoiler Straightener Feeder
Hydraulic punching machine

by：WORLD 2022-09-05

What should I do if the hydraulic valve of the hydraulic press cannot rise? Although it does not seem to be a big problem, if this problem is not solved in time, it will not only affect the production efficiency of the four-column hydraulic press, but also seriously affect the service life of the machine. The correct way to deal with it is to clean the safety valve of the four-column hydraulic press first, and check whether the valve core is worn. Once it is found to be worn, it should be replaced immediately.

If there is still no change after the safety valve is installed, check the wear of the control valve spool again. It is recommended that the use limit of the clearance is generally 0.06mm. Once the wear is serious, it should be replaced. In addition, it is necessary to check whether the small hydraulic oil cylinder has internal leakage. It can be judged by raising the boom to see if it has an obvious free fall. If there is, it is necessary to disassemble the oil cylinder for inspection. Besides, don't forget to check the pressure to keep it at a stable value.

In the past few decades, automatic power press machine production has increased because of the use of mechanical power press.
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