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Teach you to do a good job in the safety maintenance of the four-column hydraulic press at 12 o'clock

by:WORLD     2022-11-21
1. The installation mold of the hydraulic press must be carried out under the condition of power failure. It is forbidden to collide with the start button, handle and foot on the foot switch.



2. After the hydraulic press is completed, the power supply should be cut off, the hydraulic rod of the press should be wiped clean, the lubricating oil should be added, the molds and workpieces should be cleaned and placed neatly.



3. The hydraulic press operator must be trained and master the equipment performance and operation technology before they can work independently.










4. Before operation, all kinds of sundries on the mold should be cleaned first, and any dirt on the hydraulic press rod should be cleaned.



5. No smoking, welding and cutting, hot fire, and inflammable and explosive materials are not allowed around the hydraulic press. Take fire prevention measures.



6. Install the upper and lower molds to center, adjust the mold gap, and do not allow one side to deviate from the center. After confirming that the mold is fixed, test the pressure again.










7. Before the hydraulic press works, start the equipment idling for 5 minutes, and check whether the oil level of the oil tank is sufficient, whether the sound of the oil pump is normal, and whether the hydraulic unit, pipes, joints, and pistons leak.



8. Start the equipment to test the pressure, check whether the pressure reaches the working pressure, whether the operation of the equipment is normal and reliable, and whether there is leakage.



9. Adjust the working pressure, but it should not exceed 90% of the rated pressure of the equipment, test a workpiece, and then produce after passing the inspection.



10. For different hydraulic machine materials and workpieces, when pressing and calibrating, the working pressure, pressure, and pressure holding times and time of the press should be adjusted at any time, and the mold and workpiece should not be damaged.










11. When the press plate of the body slides up and down, it is strictly forbidden to put your hands and head into the work parts of the press plate and mold.



12. It is strictly forbidden to perform operations such as knocking, stretching, welding, cutting, bending, and twisting on the work while applying pressure.

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