... .Make sheet,pipe,profile 3, Single screw extruder 4, Plastic extruder Plastic single screw extruder: The SJ series single screw extruder with specifically screws ,model and ... motor or the AC motor .Equip with the screw temperature control system and vacuum venting and quantitative feeding .1. ... profile , granule .Main technical parameter: ModelDiameter of screw(mm)Ratio of Length and Diameter(L/D)Max ...