Parallel Twin Screw and Barrel Specification : Ø45/2~Ø200/2
Screw structure and compression ratio can be designed according to different products and parts.
Technical Parameter |
|
Quenching and Tempering HardnessHB280-320 | Screw Straightness0.015mm |
Nitriding HardnessHV850-1000 | Nitrided Chromium Coating Surface Hardness900HV |
Nitriding Depth 0.45~0.7mm | Chromium Coating Thickness 0.025~0.10mm |
Nitridng Brittleness :2 Level | Duplex Alloy HardnessHRC50-65 |
Surface RoughnessRa0.4 | Duplex Alloy Depth0.8~2.0mm |
Materials and Technologies | |
Quality 38CrMoAIA (41CrAIMo7) | SKD61(H13) |
Quality Duplex Stainless Steel | Gr12MoV |
42CrMo | Quality 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 |
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