SKD61,SKD11Conical Twin Screw Barrel for Plastic Extruder Machine
| Place of Origin:Zhejiang China (Mainland) | Brand Name:BOHAI | Model Number:51/105,twin screw and barrel | Materials:Quality 38CrMoAIA,SKD11,SKD61 |
| Roughness of the surface:Ra 0.4μm | Depth of nitration case:0.4-0.7mm | Hardness of nitration:HV800-1050 | Screw straightness:0.015mm/m |
| Warranty:common is 1-2 years,bimetallic is much longer! | Performance:Wear resistant,corrosion resistant,longer using life |
SKD61,SKD11Conical Twin Screw Barrel for Plastic Extruder Machine
Our conical twin screw and barrel provide high surface area and low shear screw designs that will optimize the melt homogeneity.
| Hardness of adjuster | HB260-290 |
| Depth of nitration | 0.4-0.7mm |
| Hardness of nitration | HV800-1050 |
| Depth of double alloys | 0.8-2.0mm |
| Hardness of double alloys | HRC56-65 |
Screw Main Parameter:
Screw Diameter:Φ20mm-Φ300mm
Material:38CrMoAlA; SKD61; SKD11; 40Cr; 42CrMo; high quality alloy steel
Technology:Nitriding treatment, alloy coating spraying, heat-treatment
Appliance:PVC, PP, PE, PA, PC, ABS, AS etc
Depth of Nitrated Layer:0.40-0.70mm
Hardness of nitration:950-1050Hv
Fragility of nitration:Less than grade 1
Surface Hardness of Nitrated Cr coating layer:Greater than 950Hv
Hardness of Bimetallic Layer:HRC55-62
Thickness of Cr-coating Layer:0.03-0.08mm
Depth of Bimetallic Layer:Greater than 2mm
Treatment / Technology
Heat-treatment
Nitriding treatment
Alloy coating spraying
Electroplate hard-chrome
High-frequency quenching
Spraying corrosion wear-resisting dual metal layers
Vacuum quenching
| Packaging Detail:wooden case meet export standard |
| Delivery Detail:25-45 days after receiving deposit |
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Depth of nitrification 0.4-0.7mmHardness of nitrification HV840-980
Surface roughness Ra0.4-0.8
Screw straightness 0.015mm/m
Bimetallic screw barrel for injection
Depth of nitrification 0.4-0.7mmHardness of nitrification HV840-980
Surface roughness Ra0.4-0.8
Screw straightness 0.015mm/m