Specifications
single screw barrel for extruder
plastic proccessing blow film machinerysingle screw
it can be customized
plastic proccessing blow film machinerysingle screw
it can be customized
Diameter ofsingle screw :D15mm~D300mm
L/D: 12~45
Max.Length: less than10000mm
Scope ofapplication: pipe, film,profile, sheet, pvc pe/pew pc pelleting etc.
ScrewType:
Gradient-type,mutant, wave type, barrier type, dual type, shunt type, separate type, exhausttype, pin type, mixed type, double-headed type, three-type, long type, graintype.
For goodplasticizing effect, we have different design of screw & barrel to meet yourrequirements
Material
Commonly usedmaterial is 38CrMoAIA(nitrogen treatment),it can be changed as per yourrequirements. According to different usage, the choose for alloy is different,some require for abrasion-resistant while some require for corrosion-resistant.For standard, we have Fe-based, Ni-based, W2C alloy, Tungsten alloy etc forchoice
Materials& Processes
SKD61(H13) | 38CrMoAIA 41CrAMo7 |
Gr12MoV | HighQuality Duplex Stainless Steel |
42CrMo | HighQuality Powder Metallurgy Materials |
40Cr | Hard Metal Cold/Thermal Spraying Technology |
Zinc 3# Steel | Advanced Nitriding Technology |
Anti-corrosion and Wear-resisting Duplex Metal Spraying Technology |
Screwstructure and compression ratio can be designed according to different products andmixtures
Technical Parameter
Nitrided CaseDepth | 0.5mm-0.8mm |
NitridedHardness | HV950-1020HV |
NitrideBrittleness | ≤GradeOne |
SurfaceRoughness | Ra0.4um |
ScrewStraightness | 0.015mm |
AlloyHardness | HRC58-62 |
Alloy Depth | 0.5mm-0.8mm |
Chromium Coating Thicknss | 0.025~0.10mm |
