Parallel plastic extruder screw and barrel

Parallel Plastic Extruder Screw And Barrel Detailed Product Description 1.parallel twin-Screw And Barrel
2.High Quliaty Base Material
3.Processed to drawing or to your request   Parallel Twin Screw And Barrel Ranges for Parallel Twin-screw Extruder:  

Screw Diameter	45mm-250mm
Screw Length	L/D ratio 16 - 35

  Material   1 38CrMoAIA(JIS SACM645) 2 9Cr18MoV 3 42CrMoV(AISI 4140)   Heat treatment Nitriding treatment Electroplated hard chromium coating Spray coating anticorrosion Wear resistant bimetallic coating

Technical Parameter

 

Hardness of Nitriding	Hv900~1000
Deepness of Nitriding Layer	0.7mm-0.9mm
Surface Roughness	Ra 0.4μm
Hardness of Bimetallic Alloy	HRC 55-62
Deepness of Bimerallic Alloy	1.5~2.0mm
Screw straight tolerance	0.015 mm/m
Special treatment	Carbide coating on flight
Deepness of Titanizing Layer	0.05~0.10mm
Application	PVC, PE, PP

  Process Laser Coating Tungsten Carbide PTA Melt-Welding Alloy Centrifugal Mould Bimetallic Alloy Advanced nitrogen oozes handicraft Vacuum Quenching Titanizing Nickel Plating Chorme Plating