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Hence, higher back pressures may be generated in single screw extrusion machines compared to injection molding machines. the primary function of the screw extruder in injection molding is simply to obtain a melt whereas in a plastic extrusion machine, the screw must mix, homogenize and melt the
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1.we are a professional company specialized in manufacturing many types of screw, the barrel can be applied on all types of injection moulding machine,rubber hot-feeding extruder, rubber cold-feeding extruder, pin barrel cold feed extruder, plastic extruder with different specifications. 2.the models of screw include: variable pitch and variable depth, variable pitch and equal depth, variable ...
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