1.conical twin-screw and barrel 2.High Quliaty Base Material 3.Processed to drawing or to your request on

Conical screw barrel for PVC extruder machine

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

Conical Twin Screw and Barrel Ranges:

 

Screw Diameter(smaller end)

35mm-92mm

 

Material

 

1 38CrMoAIA(JIS SACM645)

2 9Cr18MoV

3 41CrA1Mo7

 

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
Application	PVC, PE, PP

 

Process

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

Conical screw barrel for PVC extruder machine