Home  >  Raw Material Processing Machinery  >  Plastic & Rubber Machinery Parts

1.Extruder vented screws, 2.High Quliaty Base Material, 3.Processed to drawing or to your request - details see: https://www.machineto.com/twin-screw-and-barrel-for-plastic-extruder-machine-10334665

Twin screw barrel for plastic extruder machine

Material

1 38CrMoAIA(JIS SACM645)

2 42CrMo(JIS SCM440)

3 9Cr18MoV

Heat treatment

· Nitriding treatment

· Electroplated hard chromium coating

· Spray coating anticorrosion

· Wear resistant bimetallic coating

Technical Parameter

· Quenching and Tempering Hardness HB240~280

· Hardness of Nitriding HV900~1020

· Deepness of Nitriding Layer 0.5~0.8mm

· Nitriding Brittleness ≤Grade 1

· Surface Roughness: 0.045mm

· Screw Alignment: 0.015mm

· Hardness of Chrome Plating Coating after Nitriding ≥950HV

· Thickness of Chorme Plating Coating 0.03~0.08mm

· Hardness of Bimetallic Alloy HRC55-62

· Deepness of Bimerallic Alloy 1.5~2.0mm

· Hardness of Tungsten Carbide Layer HRC70-75

· Thickness of Tungsten Carbin Layer 0.8~1.5mm

· Deepness of Titanizing Layer 0.05~0.10mm

Process

· Laser Coating Tungsten Carbide

· PTA Melt-Welding Alloy

· Centrifugal Mould Bimetallic Alloy

· Advanced nitrogen oozes handicraft

· Vacuum Quenching

· Titanizing

· Nickel Plating

· Chorme Plating

Our screw and barrel can ensure high performance and low energy consumption of extruder and Injection molding machine.

What's more, we can supply professional screw and barrel to your order!