Pressurized cylinder piston can not return to normal operation causes bits:
1. Pipe not properly connected
2. Air pressure is too low
3. Mechanical failure or solenoid valve does not work
4. Lift enough Solution:
1. To re-adjust the line
2 . the air pressure increases, up
3. adjust the orientation, the valve's quality is not good, need to be replaced
4. For the pressurized cylinder selection, it is best to know exactly the weight of the mold and then select models.
(This article reproduced from http://www.dgybl.com)