When a properly functioning extruder suddenly stuck, the drive automatically protected. Hand to promote the motor pulley, motionless. Restart the motor, inverter again automatically protected suspicion fell into the debris, so make sure dismantle screw and barrel.
　　The quickest method of disposal should be: now the motor power commutation, run the motor in the opposite direction, as far as possible denunciation of debris. Once adopted thwarted disposal, must proceed from the screw head smashed back, otherwise it will backfire - the more hit more tightly.
　　Since the day before the fight hit the opposite direction, to prevent the use of motor reversal back at this time to take the debris, it could cause greater damage to the barrel, and even hurt the screw, so only take the above method is the best way to remove the screw.