TENGDA Is a Professional Plastic Extruder Machine Manufacturers.

What problems should be paid attention to in the operation of twin-screw extrusion granulator?

by:TENGDA     2022-09-30

1. The main motor and the oil pump motor are electrically interlocked, that is, if the oil pump motor does not start, the main motor cannot start; if the main motor does not stop, the oil pump motor cannot stop.

2. The main motor and the feeding motor are electrically interlocked, that is, if the main motor does not start, the feeding motor cannot start; if the main motor of the feeding motor does not stop, the main motor cannot stop. The main motor control cabinet has overcurrent protection, which has been set before leaving the factory. In addition, there is also a mechanical protection device, generally a nylon shear pin safety coupling. When the design torque is exceeded, the shear pin is cut off and the gearbox stops working.

2. When the head pressure exceeds the set alarm value, the material pressure alarm signal light will be on and the machine will stop automatically.


The twin-screw extruder granulator adopts frequency conversion speed regulation, AC motor drive or DC speed regulation, DC motor drive. The deceleration and twin-screw drive are in the same box, and the overall size is compact. The use of safety couplings equipped with shear pins can protect the screw and gearbox from damage due to overloading.


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