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Plasticizing Sets for Injection
Detail:

Specification:

 

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