Product Description

Cold Feed Pin barrel screw specifications:Φ**-Ø**0    L/D=****8

Rubber cold feeding screw specifications:Φ*5~Φ**0   L/D=***0

☆Material:*8CrMoALA,SKD*1,SKD*1,SACM**5,SCM**0,Ni*0

☆SurfaceTreatment: PTA, Gas nitrided ,Hard chrome plating, phorphor nickel alloy plating

Technical Details:

Nitriding treatment(**0 Hours)

☆Depth of Nitrided Layer: 0.**0.8 mm

☆Hardness of Nitrided Layer: *******0Hv

☆Fragility of Nitration:less thanTwo class

Hard Chrome Plating treatment:

☆Thickness of Hard Chrome Plating Layer: 0.***0.*0mm

☆Hardness of Hard Chrome Plating Layer: more than **0HV

Phorphor nickel alloy plating.treatment:

☆Bimetallic Barrel/Cylinder: Centrifugal Casting (Inlay Alloy)

☆Bimetallic Screw: Plasma Alloy Coating Spraying

☆Depth of Bimetallic Layer: more than 2mm

☆Hardness of Bimetallic Layer: HRC****2

Tugsten carbide(Double-alloy level)

Level A - containing Tungsten of *0%

Level B - containing tungsten of *5%

Level C - containing tungsten of 9.5%

Other technical data:

☆Roughness of the surface:Ra0.4um

☆Linearity of the screw: less than0.**5mm

☆Linear axis limit: less than0.*2mm

☆Hardness after Hardening andTempering: HB******0

☆Supply ability:**0 sets per month

☆Delievey Time: *0 working upon receipt of *0% deposit

☆Package:film wrapped in wooden case

☆Production time is about *5 days after we receive the deposit and lead time will different according to the order quantity!

☆Warranty:common is**2 years,bimetallic is much longer

Our screw and barrel can ensure high performance and low energy consumption for extruder machine. Also we supply OEM service according to your requirements!