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 |