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