The screw design has been modified, increasing the thread spacing between screws to ensure thorough plasticizing and melting of the plastic within the barrel during heating. A variable diameter design increases the relative service life of the screws. High-strength 38CrMoAlA material enhances the overall machine performance.
The barrel is constructed from 45# steel, precision-machined and quenched, resulting in high hardness and good wear and corrosion resistance. A slot of a specific size is provided at the feed end for convenient feeding.
The heating system consists of heating coils distributed around the outside of the barrel, uniformly heating and plasticizing the material inside. Temperature is automatically adjusted and controlled by instruments on the electrical cabinet.
Cooling Fan: To maintain stable barrel temperature, a cooling fan is added at the bottom of the barrel. Automatic temperature control ensures cooling when the temperature is too high, increasing barrel temperature stability.
To prevent the extruded plastic from becoming too cold and losing fluidity, thus hindering extrusion... A heating coil with a specific power was added to the outside of the die head to ensure normal and full material output. Furthermore, the discharge hole on the die head is a parallel 15-hole type, increasing the output and production speed. The die head structure is a parallel extrusion die head, threadedly connected to the barrel, saving time and effort when changing the screen. The pelletizing system: After the strip material is cooled by the cooling system, it enters the pelletizer for tumbling and cutting into pellets for easy packaging. The pelletizer is equipped with a rolling feed roller, driven by a motor, which automatically conveys the material into the machine body, where the rolling blades inside the machine cut it.
