How to deal with air leakage in pneumatic punch press
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- When checking for air leaks in the pneumatic punch press, each inspection point should be coated with soap, as it is more sensitive in showing leaks compared to listening for sound.
- The piston rod of the cylinder is often exposed. Observe if there are any scratches, corrosion, or uneven wear on the piston rod. It can be determined based on factors such as air leakage, contact between the piston rod and the guide sleeve and sealing ring inside the front cover, the quality of compressed air processing, and the presence of lateral loads in the cylinder.
- Devices like emergency shut-off valves, etc., that are rarely used in die-casting molds need to be verified for their operational reliability during regular inspections.
- Allow the electromagnetic valve of the pneumatic punch press to switch repeatedly, and judge if the valve is functioning correctly based on the sound of the switch. For AC electromagnetic valves, if there is a buzzing sound, it should be considered that the moving iron core and the static iron core are not completely attracted together, there is dust on the suction surface, or the magnetic ring is detached or damaged.
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