The New Desgin Extruder Parallel Double Screw Barrel
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1.Double screw
2.Parallel screw barrel
3.Nitrided Hardness: HV850~1000
4.Nitrided Deepness: 0.45~0.7mm
5.Well performance
Double screw
Conical screw
Screw and barrel
Product name:The New Desgin Extruder Parallel Double Screw Barrel
Brand name:Titan
Model:TT-DS70
Description:
Material
1. 38CrMoAIA(JIS SACM645)
2. 42CrMoV(AISI 4140)
3. Cr12MoV(JIS SKD-11)
4. 4Cr5MoSIVI(JIS SKD-61)
| Heat treatment |
Nitriding treatment | Electroplated hard chromium coating |
| Spray coating anticorrosion | Wear resistant bimetallic coating |
Process og figure:
Technical Parameter |
| Steel Material | DIN 41CrA1Mo7 / AST M4140 / GB 38CrMoAlA |
| Deepness of Nitriding Layer | 0.7 mm -0.9 mm |
| Hardness of Nitriding | HV900 - HV1,000 |
| Nitriding Brittleness | ≤Grade 1 |
| Chromate plating | Thickness 0.05 mm - 0.10 mm, hardness HV950 |
| Special treatment | Carbide coating on screw flight and bimetallic barrel |
| Screw straight tolerance | 0.015 mm/m |
| Surface roughness | Ra 0.4μm |
View of workshop:
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