Specification:
screws and barrels for Haitian 450 ton HTF450X injection molding machines
Product Range | Screw Dia:Φ15-Φ300 L/D Ratio: 15-50 |
Standard | JB/TQ 825-89 826-89 JB/TB 826-89 |
Steel for Nitriding | 38CrMoAlA, 31CrMoV9 |
Based Material of Bimetallic Barrel | 38CrMoAlA. 40Cr, 42CrMo |
Based Material of Bimetallic Screw | 38CrMoAlA. 31CrMoV9 |
Available Based Material | SKD11,SKD61,Stainless Steel, SACM645,SCM440 |
Technical Details:
Nitriding Treatment: | |||
Nitriding Treatment: 120 Hours | |||
Depth of Nitrided Layer: 0.5-0.8 mm | |||
Hardness of Nitrided Layer: 900-1020Hv (HRC56°-65°) | |||
Nitriding Brittleness: Less than Grade 1 | |||
Surface Treatments: | |||
Hard Chrome Plating/Coating: | |||
Thickness of Hard Chrome Plating Layer: 0.05-0.10mm | |||
Hardness of Hard Chrome Plating Layer: ≥950HV | |||
Bimetallic Barrel/Cylinder: Centrifugal Casting (Inlay Alloy) Bimetallic Screw: Plasma Alloy Coating Spraying | |||
Depth of Bimetallic Layer: >2mm | |||
Hardness of Bimetallic Layer: HRC55°-72° | |||
Other Technical Details: | |||
Hardness after Hardening & Tempering: HB240-280 | |||
Screw Alignment/ Screw Straightness: 0.015mm | |||
Surface Roughness: Ra0.4 | |||
Material Applied to:
General Plastics: ABS,PA,PC,PE,PET,PP,PS,EVA,PU,PVC,U-PVC,etc | |
PA + GF(Glass Fiber) | |
Flame-resistant Reinforced Plastics | |
Modified Engineering Plastics | |
All kinds of Mixed Recycled Material(in Scrap or Granule),etc |
