Blow molding machine

Blow molding machine

The blow molding machine is based on an extruder barrel and screw assembly which melts the polymer. It is also used for forming glass bottles or other hollow shapes.

How does a blow molding machine work?

The process involves heating a plastic tube to its melting point and then putting that into the cavity of a mold. They then use compressed air to inflate the molten plastic like a balloon so that it takes the shape of the mold but is hollow inside.

The major difference between injection molding and blow molding is the kind of product produced. Typically, blow molding is designed to produce hollow, singular containers, such as bottles. On the other hand, injection molding is used to produce solid pieces, such as plastic products.


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