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jackow@pressmachine-world.com+86-13817590728           WORLD power press machine manufacturer and supplier

The reasons for the instability of the pressure of the single-column hydraulic press

The reasons for the instability of the pressure of the single-column hydraulic press

When the single-column hydraulic press is in operation, it is also common for the hydraulic system to not maintain pressure. The four-column three-beam hydraulic press will start to work after the pressure rises, and the pressure will drop. The reasons for this situation are as follows:

1. The main relief valve in the hydraulic system of the single-column hydraulic press is seriously worn, resulting in overflow and debris, which are stuck, so the pressure cannot rise;

2. The flushing valve on the upper part of the oil cylinder is not opened, so it cannot rise normally;

3. The pump flow is abnormal. If the pump flow and pressure become inversely proportional, it will also cause the hydraulic pressure to fail to rise;

4. The direction valve of the lower chamber of the hydraulic system is stuck, and the same oil also enters the upper and lower chambers;

5. Defects in the circuit will also cause the hydraulic pressure to fail to rise. Use a screwdriver to poke the small reversing valve to see if it is stuck, and then test whether the indicator light of the rising small valve is on;

6. The spool of the filling valve of the hydraulic system is stuck due to debris or springs, which will also cause the hydraulic pressure to fail to rise;

7. The cartridge valve and reversing valve in the hydraulic system are stuck;

8. Whether the pressure of the hydraulic system of the single-column hydraulic press is normal, whether the cylinder is defective, etc. will cause the hydraulic pressure to fail to rise normally. This article is from the official website of the manufacturer WORLD Press Machine www.pressmachine-world.com, please indicate the source for reprinting!

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