screw barrel for extruder machine plastic kcc

1.38 CrmoALA Material 2. Nitriding Depth: 0.5~0.7mm 3. High Qulity Base Material 4. Screw Barrel for extruder

screw barrel for extruder machine plastic kcc

Detailed Product Description

1.parallel twin-screw and barrel 2.High Quliaty Base Material 3.Processed to drawing or to your request on output&raw materia

Our parallel twin screw and barrel have high surface area and low shear screw designs that will optimize the melt homogeneity.

Parallel Twin Screw and Barrel Ranges for Parallel Twin-screw Extruder:

 

Screw Diameter	50mm-180mm
Screw Length	L/D ratio 16 - 35

 

Material

 

1 38CrMoAIA(JIS SACM645)

2 9Cr18MoV

3 42CrMoV(AISI 4140)

 

Heat treatment

Nitriding treatmentElectroplated hard chromium coatingSpray coating anticorrosionWear 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

 

Process

Laser Coating Tungsten CarbidePTA Melt-Welding AlloyCentrifugal Mould Bimetallic AlloyAdvanced nitrogen oozes handicraftVacuum QuenchingTitanizingNickel PlatingChorme Plating

screw barrel for extruder machine plastic kcc