How to maintain the hydraulic press, let’s talk about it:

1. The pressure holding time of the hydraulic press is set too long, resulting in no pressure holding.

Solution: Because the pressure holding time of the hydraulic press is too long, the hydraulic oil circuit produces cavitation, and the continuous pressure is lacking. To solve this problem, the method of continuous oil replenishment can be used. During the pressure maintaining process, the hydraulic machine needs to maintain the pressure according to the pressure leakage of the hydraulic system.

2. The internal leakage of the hydraulic cylinder of the hydraulic press causes the pressure to fail.

Solution: The way to solve the problem should be traced to the source. In this case, it is necessary to check the connection between the hydraulic cylinder hole, the piston and the piston rod of the hydraulic press, and the machining accuracy. Only when the accuracy meets the requirements can the non-holding pressure caused by the internal leakage of the hydraulic press be effectively reduced.

3. The leakage of various control valves does not hold pressure.

Solution: To deal with this problem, the machining accuracy and cooperation accuracy of the valve body of the hydraulic press are required. In addition, attention must be paid to the structural characteristics of the valve body. These are necessary precautions that can effectively improve the sealing performance and reliability of the hydraulic press.

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