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Advantages and disadvantages of air-cooled and hot-cutting and cold-cut plastic pelletizers
Air-cooled hot pelletizing equipment
The characteristics of air-cooled hot pelletizing equipment are as follows.
Advantages: The shape of the plastic particles is cylindrical or waist-shaped, and the shape is good; the power consumed by the device is low, the structure is simple, the tool wear amount is small, and the operation and maintenance are convenient; the plastic particles do not need to be dried.
Disadvantages: Adhesion may occur between particles, and the melt flow rate of the processed material should not be too low.
Cold stripping equipment
The cold stripping equipment is usually used together with the extruder. It is mainly used for granulation of PA, PE, ABS, PVC, PP, PS and other materials, plastic blending, filling modification, reinforced granulation. And granulation of non-absorbent color masterbatch. The cold stripping equipment consists of a granulator head, a cooling water tank, and a cold pelletizer.
The characteristics of the cold stripping equipment are as follows.
Advantages: The device has simple structure, convenient operation and maintenance; the shape of the particles is neat and beautiful; and the adaptability is wide.
Disadvantages: high power consumption; tool wear is serious, not suitable for occasions where the insulation of materials is high; because plastic strips need to be cooled by the water tank before pelletizing, it is not suitable for low water content and moisture absorption High material; the output is not high.
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