FAQ

What to do if the screw of the conical twin-screw extruder cannot rotate?

2025-05-16

What to do if the screw of the conical twin-screw extruder cannot rotate?

Fault manifestation: After starting the extruder, the screw does not rotate, and the motor may be accompanied by abnormal sounds or overload alarms.


Possible causes
Handling method
motor failure (such as winding short circuit, open circuit)
Check the motor circuit and operation, repair or replace the motor
Speed reducer damage (gear wear, stuck)
disassemble the reducer, check the gear wear, repair or replace damaged parts
foreign objects stuck between the screw and the barrel
stop the machine to disassemble the screw, clean the barrel and screw, and remove foreign objects
drive belt breakage or severe slippage.
replace the broken belt and adjust the belt tension


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