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The principle of single screw extruder

Bale last thread began transporting items where requirements can not be plasticized, but warm up, squeeze the real, old extrusion theory in the past that material here is loose, then by showing that the material here is actually a solid plug, meaning that extrusion is a solid material like a plug, so as long as the complete conveying tasks is its function.


Compression section in the second paragraph, screw channel when the volume becomes smaller, and the temperature to achieve the degree of material, compressed by the conveying section three, here into one, called screw the compression ratio of--3:1, and some machines have changed, complete plastic raw material enters the third paragraph.


Metering section of the third paragraph is here keep the plasticization temperature of material, just as accurately as the metering pump, quantitative transmission melt material to supply the nose, temperature should not be below the plasticizing temperature, usually slightly higher.


Single screw extruder for extrusion of soft and hard thermoplastics such as PVC, PE, it with the appropriate auxiliary equipment (including nose molding) complex, can process a variety of plastic products, such as film, pipe, sheet, Ribbon, etc, can be used for granulation.