Plastic Extrusion barrel

Extrusion screws and barrels 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 Technical info MaterialSACM645,38CrMoALA,SKD61...Gas Nitrided timeOver 96hoursSurface harndnessHRC58-62°CNitrided Brittlenessless than grade 2Nitrided Case depth0.5-0.8mmAlloy Layer1.5mmspray welding on easy damage surface with imported alloy of plasma ion to prolong process life of screw.