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IPDB › China Industry › Manufacturing & Processing Machinery

China, Chinese Professional Manufacturer of Single Screw and Barrel for Extruder¹ Industrial Products Supplier Manufacturer Details, price list catalog:

China Industrial Products Supplier Manufacturer List Catalog

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Plastic Machinery Parts Barrels Screws

Ningbo Superior Machinery Co., Ltd.

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Product Description Single Screws and Barrels for ExtrudersScrew Diameter:?8~?500L/D Ratio:7~60The compression ratio and structure of screws can be designed according to different raw materials property:common type,gradient type,mutant type,barrier type,pin type,separation type,exhaust type,etc.Product Specification and technical dataInner diameter: 20 to ?300 L/D= 15 to 55 Quenching and tempering hardness: HB240 to 280° Nitration hardness: HV900 to 1,050° Nitrated layer depth: 0.5 to 0.8mm Thickness of Cr-coating Layer: 0.03-0.1mm Nitration fragility: ≤grade 1 Surface roughness: 0.4Ra Straightness: 0.015mm Cr-coating layer hardness: HV≥950HV Depth of Bimetallic Layer: 2mm to 5mm Bimetallic hardness: HRC56 to 65° (Ni-based alloy) Material:quality alloy steels · 41CrAlMo7 · EN41-B · AISI4140 · 1.85 · SKD61,SKD11 · 38CrMoAlA · W6Mo5Cr4V2Heat-treatment:·Nitriding treatment·Electroplated hard-chrome finish·vacuum ,High-frequency quenching·Baking, Spray welding Bimetallic-alloyApplications:

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Manufacturing & Processing Machinery: Professional Manufacturer of Single Screw and Barrel for Extruder

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