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Troubleshooting of four column hydraulic press

Jul. 11, 2020
Troubleshooting of four column hydraulic press
Downward pressure
1. Excessive support pressure
Troubleshooting: adjust the pilot valve, use pressure is not more than 1MPa
The sliding block slides down seriously after parking
Oil leakage elimination method of cylinder port (or piston) seal ring: check the seal ring and replace it if it is damaged
Pilot valve preset pressure is too small Troubleshooting: adjust the pressure value
Plug in valve port sealing is not good troubleshooting method: check the valve port, re research and match
The pointer of the pressure gauge swings violently
There is air in the oil circuit of the pressure gauge. How to eliminate it: loosen the joint and bleed when pressing
Pipeline mechanical vibration elimination method: check whether the pipeline is loose, if it is loose, it will be clamped
Troubleshooting of pressure gauge damage: replace the pressure gauge
At high speed, the travel speed is not enough and the pressure is slow
Pressure compensation variable pump flow is too small exclusion method: according to the requirements of the oil pump to adjust
Pump wear or burn removal method: if the oil outlet of the oil pump is more than 4L / min, it should be removed for maintenance
Troubleshooting method of oil leakage in the system: check the corresponding links of each part
Pressure drop
Troubleshooting method: check whether the sealing fastener of the corresponding valve is damaged, and replace it if it is damaged. Repair and weld the leakage pipeline, and whether the pressure debugging is normal.
Seal ring inner seal ring replacement method
The above introduction only gives a brief description of the general situation. After the faults are found in the actual use process, the causes should be analyzed first, and then the troubleshooting should be done one by one.
Zaozhuang Make Machinery Co., Ltd. produces four column hydraulic press with simple operation and stable structure, including  HP-100F,HP-150F,HP-200F, etc. welcome new and old customers to consult!

CNC-Four-Column-Sliding-Beam-Hydraulic-Press-HP-100F1-.jpg

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