Tread Bar

Definition of Plastic Extrusion Mold

It is a mold that produces plastic profiles with a continuous shape, also called extrusion mold, extrusion molding head or die head.

Principle

Extrude (extrude) this word by the Latin "ex" (leave) and "trudere" (push) composition, the image describes the "pressure to drive the material through the mold molding" extrusion process.

Shanghai Wenzhi Extrusion Mold

In the process, usually powder or granular form of polymer added to the extruder barrel, under the action of the screw or plunger, the polymer along the screw groove or barrel to move forward, and gradually melt and become a viscous fluid, and then through the die set in the end of the barrel, the formation of the mold with the mold's mouth mold shape of the continuum of the shape of the mold, by cooling and shaping, can be molded into the desired shape of the products, such as a variety of plastic pipe bars, sheets, plastic steel doors and windows, films, films, and so on, can be molded into a variety of plastic products. Plastic steel doors and windows, film, decorative skirting, etc.