Conical Twin Screw, Barrel Specification : Ø45/90~Ø92/188
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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