Single Screw and Barrel for Melt Blown Fabric Extruder

China Single Screw and Barrel for Melt Blown Fabric Extruder, Find details about China Screw and Cannon, Film with Sand from Single Screw and Barrel for Melt Blown Fabric Extruder

Model NO.
20MM-500MM
Trademark
OULIN
Origin
China
HS Code
84779000
Model NO.
20MM-500MM
Trademark
OULIN
Origin
China
HS Code
84779000
Detail Information For Single Screw and Barrel for Melt Blown Fabric Extruder

Application: for PP melt blown fabric.

Customer's Requirement: good abrasive resistance

Screw's quality: nitriding quality,
38CrMoAlA as base steel, screw's flight will be welded with alloy layer, alloy layer contains 30% tungsten carbide powder.

Barrel's quality: nitriding quality, 38CrMoAlA as base steel.


Detail Information For All Single Screw and barrel for Extrusion:

Main application: be used in extrusion for film, pipe, recycling, pelleting, sheet, profiles, rod and etc.

Specification: 
Diameter: Ø20mm-Ø500mm
L/D ratio: 15-53

Base material : 
SKD61
42CrMo
38CrMoAlA(JIS SACM645) from BAOSTEEL company.

Heat treatment:
Advance hardening and tempering
Nitriding treatment
Mid-frequency hardening

Technical Parameters:
Nitriding depth: 0.50mm-0.80mm                                
Nitriding hardness: HRC56-58                          
Surface roughness: Ra 0.4                  
Screw straightness: 0.015mm  
Hard chrome layer hardness: HRC58-60
Hard chrome layer thickness: 0.025-0.1mm
Alloy layer depth: 2mm-3mm
Alloy layer hardness: HRC56-64 



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Single Screw and Barrel for Melt Blown Fabric Extruder