Cold Feed Pin barrel screw specifications:Φ60-Ø300 L/D=12-18
Rubber cold feeding screw specifications:Φ45~Φ300 L/D=8-20
☆Material:38CrMoALA, SKD11, SKD61, SACM645, SCM440, Ni60
☆SurfaceTreatment: PTA, Gas nitrided , Hard chrome plating, phorphor nickel alloy plating
Technical Details:
Nitriding treatment(120 Hours)
☆Depth of Nitrided Layer: 0.5-0.8 mm
☆Hardness of Nitrided Layer: 900-1020Hv
☆Fragility of Nitration:less thanTwo class
Hard Chrome Plating treatment:
☆Thickness of Hard Chrome Plating Layer: 0.05-0.10mm
☆Hardness of Hard Chrome Plating Layer: more than 950HV
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: HRC55-72
Tugsten carbide(Double-alloy level)
Level A - containing Tungsten of 40%
Level B - containing tungsten of 25%
Level C - containing tungsten of 9.5%
Other technical data:
☆Roughness of the surface:Ra0.4um
☆Linearity of the screw: less than0.015mm
☆Linear axis limit: less than0.02mm
☆Hardness after Hardening andTempering: HB240-280
General terms of business:
☆ HS Code: 84779000 Means of transport:Ocean
☆Supply ability:300 sets per month
☆Delievey Time: 20 working upon receipt of 30% deposit
☆Package:film wrapped in wooden case
☆Production time is about 25 days after we receive the deposit and lead time will different according to the order quantity!
☆Warranty:common is1-2 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!