Conical twin screw barrel for plastic extruder
Specification : ? 45/90~? 92/188
Screw structure and compression ratio can be designed according to different products and parts.
Specification : ? 45/90~? 92/188
Screw structure and compression ratio can be designed according to different products and parts.
Technical Parameter
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Quenching and Tempering Hardness: HB280-320
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Screw Straightness: 0.015mm
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Nitriding Hardness: HV850-1000
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Nitrided Chromium Coating Surface Hardness≥ 900HV
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Nitriding Depth : 0.45~0.7mm
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Chromium Coating Thickness : 0.025~0.10mm
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Nitridng Brittleness :2 Level
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Duplex Alloy Hardness: HRC50-65
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Surface Roughness: ≤ Ra0.4
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Duplex Alloy Depth: 0.8~2.0mm
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Materials and Technologies
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Quality 38CrMoAIA (41CrAIMo7)
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SKD61(H13)
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Quality Duplex Stainless Steel
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Gr12MoV
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42CrMo
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Quality Powder Metallurgy Materials
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40Cr
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Hard Metal Cold/Thermal Spraying Technology
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Zinc 3# Steel
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Advanced Nitriding Technology
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Anti-corrosion and Wear-resisting Duplex Metal Spraying Technology
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