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Is there a relationship between screw barrel and temperature?

Por Cathy Lin October 6th, 2024 vistas 5
‌ screw barrel has a close relationship with temperature. ‌ The screw barrel plays a vital role in the extruder. It conducts heat to the plastic in the barrel by heating, and pushes the plastic forward by rotating the screw to achieve plasticization and uniform mixing of the plastic. The control of temperature directly affects the plasticizing quality of plastics and the quality of the final product ‌.

The temperature control of screw barrel has significant influence on plasticizing quality of plastic. Too high or too low temperature will lead to uneven plasticization of plastics, which will affect the quality and appearance of the product. For example, the temperature is too high may lead to the product surface roughness, bubbles, fried skin and other phenomena, while the temperature is too low may lead to the product surface is not smooth, twisted and other problems ‌.

The temperature control method of screw barrel mainly includes the use of temperature control system and cooling system. The temperature control system controls the temperature of the barrel through the heating element to ensure that the plastic can be thermally plasticized uniformly inside the barrel. The cooling system cools the barrel when necessary to prevent excessive temperature from affecting product quality. In addition, some advanced extruders are also equipped with intelligent die temperature machines, which can realize remote control and real-time monitoring to ensure accurate temperature control ‌.
Wear resistance of screw barrel of injection molding machine
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