Reasons and solutions for downward pressure of 1500-ton four-column hydraulic press

1500 tonsfour-column hydraulic pressCauses of Downward Band Pressure
1. Excessive support pressure
2. Cylinder mouth sealing ring leaks oil
3. The pilot valve pre-adjustment pressure is too small
4. The valve port of the cartridge valve is not well sealed.
5. There is air in the oil circuit of the pressure gauge
6. Mechanical vibration of pipeline
7. Pressure gauge is damaged
8. Pressure compensation variable pump flow is too small
9. The pump is worn or burned.
10. Oil leakage in the four-column hydraulic press system.

1500 tons four column hydraulic pressSolution of Downward Pressure
1. Adjust the pilot valve, the use of pressure is not greater than 1Mpa
2. Check the sealing ring and replace it if it is damaged.
3. Adjust the pressure value of the four-column hydraulic press
4. Check the valve port and redesign it.
5. Loosen the connector to deflate when pressing up.
6. Check whether the pipeline is loose, and clamp firmly if it is loose.
7. Replace the pressure gauge of the four-column hydraulic press
8. Adjust according to the requirements of the oil pump
9. If the oil outlet of the oil pump is greater than 4L/min, it should be removed for maintenance.
10. Check the corresponding links of each part