centrifugal casting tungsten carbide screw barrel/bimetallic screw and barrel/screw cylinder barrel

  For good plasticizing effect, we have different design of screw barrel to meet customer's demand: gradual type, mutant type, wave type, barrier type, double screen type, shunt type, separation type, exhaust type, pin type, double-head type, multi head type etc. It is suit for PA.PP.PC.PE.ABS.AS.PS.PVC.PMMA.LCP.PBT.PET.PPC.PPS.PAR.PO.Magnetic powder, ceramic powder, aluminum powder, iron powder, wood flour and other engineering plastics, PVC, PE/PP WPC pelleting.    High Speed OSD Single Screw And BarrelDiameter: Φ 15-Φ 300mmTechnical Data:Nitride Case Depth0.5mm-0.8mmNitride Hardness950-1020HVNitride Brittleness≤Grade OneSurface RoughnessRa0.4umScrew Straightness0.015mmAlloy HardnessHRC58-62Alloy Depth0.5mm-0.8mmChromium Coating Thickness  0.025~0.10mm  Raw MaterialThe Finnished Product Processing Requirments38CrMoAla, SACM645Nitriding TreatmentCr12MoV, Cr12Alloy Steel38CrMoAla, SACM645,40Cr.AISI4140,  42CrMoAlloy Steel4Cr5MoSiV1, SKD-61, SKD-11Bimetaiilc of the inner hole centrifuga…

screw&barrel for blow film machine Double bimetallic screw Single bimetallic screw screw&barrel for pipe machine Extrusion Screw&Barrel