Professional Manufacturer of Single Screw and Barrel for Extruder

• Customization: Available
• After-sales Service: Engineers Available to Service 24/7 Online
• Warranty: 1year
• Model NO.: SPSE
• Technics: Quenching
• Material: Steel
• Screw Diameter: ø8~ø500
• L/D Ratio: 7~60
• Surface roughness: 0.4Ra
• Nitration hardness: HV900 to 1,050°
• Transport Package: Standard Export Packaging
• Specification: Customized
• Trademark: SUPERIOR
• Origin: China
• HS Code: 8477900000
• Production Capacity: 5000pieces/Year
• Package Size: 50.00cm * 20.00cm * 20.00cm
• Package Gross Weight: 20.000kg

Product Description

Single Screws and Barrels for Extruders

Screw Diameter:ø8~ø500

L/D Ratio:7~60

The compression ratio and structure of screws can be designed according to different raw materials property:
common type,gradient type,mutant type,barrier type,pin type,separation type,exhaust type,etc.

Product Specification and technical data

• Inner diameter: 20 to Ø300
• L/D= 15 to 55
• Quenching and tempering hardness: HB240 to 280°
• Nitration hardness: HV900 to 1,050°
• Nitrated layer depth: 0.5 to 0.8mm
• Thickness of Cr-coating Layer: 0.03-0.1mm
• Nitration fragility: ≤grade 1
• Surface roughness: 0.4Ra
• Straightness: 0.015mm
• Cr-coating layer hardness: HV≥950HV
• Depth of Bimetallic Layer: 2mm to 5mm
• Bimetallic hardness: HRC56 to 65° (Ni-based alloy)

 

Material:quality alloy steels
     · 41CrAlMo7
     · EN41-B
     · AISI4140
     · 1.85
     · SKD61,SKD11
     · 38CrMoAlA
     · W6Mo5Cr4V2

Heat-treatment:
·Nitriding treatment
·Electroplated hard-chrome finish
·vacuum ,High-frequency quenching
·Baking, Spray welding Bimetallic-alloy

Applications: