Tag: Screw Extruder

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How screw extruder works

There are five possible zones in a thermoplastic screw. Since terminology is not standardized in the industry, different names may refer to these zones. Different types of polymer will have differing screw designs, some not incorporating all of the possible zones. Most screws have these three zones: Feed zone (also called the solids conveying zone): […]

Extrusion Machine

Single Screw & Twin Screw Extruder Difference

single screw:In single screw extruders, a screw mixer melts the entering plastic materials, pushes the material through the extruder, and forms the plastic into the desired shape. Twin screw:Twin screw extruders have two intermeshing screws and operate in the same manner as a single screw extruder. The picture below shows the barrels of the extruder […]