FIELD: mechanics.
SUBSTANCE: extruder assembly comprises cylindrical housing, primary feed hole and heater to heat cylindrical housing parts. The extruder incorporates screw, drive and first cleaning device comprising sixed cleaning element. A part of the said cleaning element seats inside the screw channel to interact with adjoining part of the screw for cleaning it in operation. The extrusion and injection unit is proposed to be used with the flow mixing system of moulding and the cleaning device incorporated with modified extruder assembly. Cleaning the screw part facilitates melt motion through the extruder low-pressure section.
EFFECT: possibility of using extruder in area of ventilation and single-screw flow entrainment that features low pressure.
45 cl, 11 dwg
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