Injection molding basics for Plastic Display Rack

- Mar 12, 2019-

Injection molding is an engineering technique that involves transforming plastic into a product that is useful and maintains its original properties. The important process conditions for injection molding are the temperature, pressure and corresponding individual time of action that affect plasticizing flow and cooling.Temperature control is very important.The details as below

1. Barrel temperature: The temperature to be controlled during the injection molding process includes the barrel temperature, nozzle temperature and mold temperature. The first two temperatures mainly affect the plasticization and flow of plastics, while the latter temperature mainly affects the flow temperature of plastics. The same plastics have different flow temperatures and decomposition temperatures due to different sources or grades. Due to the difference in molecular weight and molecular weight distribution, the plasticizing process of plastic in different types of injection machines is also different, so the temperature of the selected cylinder is also different.

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