7. Overlapping tablet
Two times of feeding and pressing into one piece
Cause of failure:
When the tablets are adjusted, they are not ejected and the hand wheel is reversed to make the feeder feed repeatedly, resulting in overlapping tablets.
Fault prevention and treatment:
Be careful not to reverse during adjustment. When the materials have been repeatedly fed but the overlapping tablets have not been formed, the hand wheel can be slowly reversed to push the tablets up, brush off the repeatedly added materials and pull out the tablets. If the overlapping tablets have been pressed and jacked, it shall be handled according to the jacking conditions
Treatment after jacking
(1) in case of jacking during electric tablet pressing, turn off the power immediately to avoid burning the motor.
(2) when the jacking condition is light, turn the hand wheel manually to make the upward impact pass through the "dead center" (but it cannot be reversed to avoid repeated feeding of the feeder and more serious jacking).
(3) in case of serious jacking, loosen the locking nut of the connecting rod, turn the upper punch rod to make it rise to reduce the pressure, and then turn the hand wheel to eject the tablets. Then readjust the hardness of the tablets.
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