Blow moulding machine screw and barrel 1.single screw and barrel 2.High Quliaty Base Material 3.Processed to drawing

 Blow moulding machine screw and barrel

Material

 

1 38CrMoAIA(JIS SACM645)

2 42CrMoV(AISI 4140)

3 Cr12MoV(JIS SKD-11)

4 4Cr5MoSIVI(JIS SKD-61)

Heat treatment

 

Nitriding treatment	Electroplated hard chromium coating
Spray coating anticorrosion	Wear resistant bimetallic coating

 

 

Technical Parameter

 

Steel Material	DIN 41CrA1Mo7 / AST M4140 / GB 38CrMoAlA
Deepness of Nitriding Layer	0.7 mm -0.9 mm
Hardness of Nitriding	HV900 - HV1,000
Nitriding Brittleness	≤Grade 1
Chromate plating	Thickness 0.05 mm - 0.10 mm, hardness HV950
Special treatment	Carbide coating on screw flight and bimetallic barrel
Screw straight tolerance	0.015 mm/m
Surface roughness	Ra 0.4μm

 

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

Blow moulding machine screw and barrel factory