Exruder screw and barrel

Extrusion screw,barrel 1.Conical twin screw Conical twin screw is suitable for extrusion processing PVC pipe,sheet and plate Super conical twin-screw,applied to process of PVC pipes and shape. 2. parallel twin screw Counter twin screw and barrel is suitbale for extrusion processing PVC pipe,sheet ,pvc granule Co-rotating Twin Barrel-Screw, applied to the process of PVC and other materials. Main specification Counter-twin screw and barrel: Φ50mm-Φ180mm L/D=16 33 Conical screw and barrel of double hole: Φ35mm-Φ105mm 1,Material:SACM645,Nitrided treatment, Surface hardness:HRC58 62 Nitrided case depth:0.5mm 0.8mm 2,Material: SACM645 , Alloy layer:1.5mm spray welding on easy damage surface with imported alloy of plasma ion to prolong process life of screw.