Double screw puffing machine

Double screw puffing machine

The twin-screw extruder is a type of multi screw extruder developed on the basis of the single screw extruder. Two screws are placed side by side in the barrel of the twin-screw extruder, hence the name twin-screw extruder.

According to the relative position of the screw, it can be divided into meshing type and non meshing type, and meshing type can be further divided into partially meshing type and fully meshing type;

According to the rotation direction of the screw, it can be divided into two types: co rotation and reverse rotation, and reverse rotation can be further divided into inward and outward rotation. The properties of the pressure zone of co rotating twin-screw are different, and the material is subjected to the rotation of the screw in the sleeve cavity, resulting in a high-pressure zone and a low-pressure zone.

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