How does PET injection molding machine work?

PET (polyethylene terephthalate) injection molding machines are machines that are used to mold PET plastic into various shapes and parts. PET is a strong and lightweight plastic that is widely used in the production of a variety of products, including food and beverage containers, automotive parts, and consumer electronics. Injection molding machines work by melting PET pellets and injecting the molten plastic into a mold, where it cools and solidifies into the desired shape. These machines come in a range of sizes and can be used to produce small parts or large components.

PET injection molding machines work by using a screw-type plunger to heat and melt the PET resin. The plunger then injects the melted plastic into a cooled mold, where the plastic solidifies into the desired shape. Once the plastic has solidified, the mold is opened and the finished part is ejected.

There are several key components of a PET injection molding machine, including the injection unit, the clamping unit, and the control unit. The injection unit is responsible for melting the PET resin and injecting it into the mold. The clamping unit holds the mold in place and applies pressure to ensure that the mold is properly filled and that the finished part has a good surface finish. The control unit monitors and controls the various functions of the machine, such as the temperature of the mold and the injection pressure.