Brief Introduction of Plastic Injection

Introduction of Plastic Injection


Plastic Injection machines uses a huge screw to drive molten raw plastic material into the mold gate with a high pressure.

The high pressure is needed to ensure that the plastic resin fills in each empty cavity. When the molten plastic parts are cool down via cooling water, the mold platen will open, and the part is ejected or we can also call the parts fallen down from the mold.

Designing an injection molding is complicated, and the cost of the molds themselves are expensive. However, the unit price will be lower once you do mass production for large volume of the parts.

You don’t need to understand every technical detail of plastic injection process. Unison Tek will provide you our excellent engineering knowledge. for your reference


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