Used 3.94″ werner & pfleiderer conical, counter rotating twin screw extruder. type # crp 104, serial# 180115, project # 84 3220.
screws are 102.2 mm at feed tapering to 75.5 mm at discharge. Approximately 17:1 l/d ratio (screws are 1569 mm long). unit is powered by a 7.5 hp reliance dc motor. 1750/2300 rpm and has an allen bradley programmable controller. Screw shaft speed 6-60 rpm. 41″ centerline height, electric heat, liquid cooled, with temperature control panel. Machine was originally designed and built for continuous polymerization and extrusion of nylon type strand.
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