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What are the advantages of twin screw extruder?

by:TENGDA     2022-10-10

The twin-screw extruder is not prone to local degradation and deterioration. Since the twin-screw rotates in the opposite direction, the speed is relatively faster, so the shear force generated is stronger, and the debris attached to the screw can be effectively scraped off. The screw is kept relatively clean to reduce the adhesion of debris, thereby reducing the corrosion of debris to the screw, which is beneficial to prolong the service life of the extruder. Due to the unique feeding method used by the twin-screw extruder - using the metering starvation feeding method, the amount of output does not depend on the speed of the screw. Therefore, while determining the output by feeding, you can also control the speed to achieve a machine. Processing a variety of materials, greatly improving the flexibility of processing.


The twin-screw extruder has obvious advantages in the conveying of materials: the single-screw extruder relies on the friction of the solid material and the viscosity of the melt material to realize the conveying, which makes the conveying effect of the single-screw extruder very good. To a large extent, it is limited by the material. If the friction and viscosity of the material are not good, there will be big problems in the feeding process, which will directly affect the efficiency of the extruder.


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