What is Plastic Extrusion Mold

Plastic extrusion mold is a mold for producing plastic profile products with continuous shape, also called extrusion mold, extrusion molding head or die head. The principle of plastic extrusion die The word extrusion (extrude) is composed of Latin "ex" (leave) and "trudere" (push), which vividly describes the extrusion process of "applying pressure to drive material through the mold". During the processing of the extrusion die, the polymer in powder or granular form is usually added to the barrel of the extruder, and under the action of the screw or plunger, the polymer moves forward along the screw groove or barrel and gradually melts It becomes a viscous fluid, and then passes through the mold installed at the end of the barrel to form a continuous body similar to the shape of the die of the mold. Finally, after cooling and shaping, it can be formed into products of the required shape, such as various plastic pipes and rods The general design points of plastic extrusion dies, such as sheets, plastic steel doors and windows, films, decorative baseboards, etc. Extrusion dies are the core part of extrusion production. The quality of the finished product, the extrusion production efficiency and the service life of the mold itself. Therefore, the design of the extrusion die is very important.

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