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Products

Screw and Barrel for Plastic Board Machine

Screw and Barrel for Plastic Board Machine

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Product description

Extruder Barrel and Screw Specification : Ø15mm~Ø500mm 
Draw Ratio: L/D=7~55 
 

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  

 

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