Specifications
1.Zhoushan screw barrel conical type for upvc pipe extruder 2.Base Material: 38CrMoAlA
3,High quality alloy layer
4,Nitriding
Zhoushan screw barrel conical type for upvc pipe extruder
Specifications of standard twin conical screw and barrel:
45/90, 51/105, 55/110, 65/132, 80/156, 80/172, 92/188.
Advantages of machine reciprocating conical screw barrel with conical type:
1.Advanced Nitriding Technology
2.Anti-corrosion and Wear-resisting Duplex Metal Spraying Technoloy
2.Anti-corrosion and Wear-resisting Duplex Metal Spraying Technoloy
Technical Parameter | |
Quenching and Tempering Hardness HB280-320 | Screw Straightness 0.015mm |
Nitriding Hardness HV850-1000 | Nitrided Chromium Coating Surface Hardness≥900HV |
Nitriding Depth 0.45~0.7mm | Chromium Coating Thickness 0.025~0.10mm |
Nitridng Brittleness 2 Level | Duplex Alloy Hardness HRC50-65 |
Surface Roughness ≤Ra0.4 | Duplex Alloy Depth 0.8~2.0mm |
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 |
Technological Process:
Blanking→Rough Machining→Quenching & Tempering →Semi Finishing Machining→Finished Product→Detecting→Nitring/Alloy Processed →Finish Machining