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120mm, L/D=30 Screw and Barrel for Film Blowing Machine

China 120mm, L/D=30 Screw and Barrel for Film Blowing Machine, Find details about China Screw and Cannon, Film with Sand from 120mm, L/D=30 Screw and Barrel for Film Blowing Machine

Model NO.
120mm
Trademark
OULIN
Origin
China
HS Code
84779000
Model NO.
120mm
Trademark
OULIN
Origin
China
HS Code
84779000
Detail Information For 120mm, L/D=30 Screw and Barrel for Film Blowing Machine:

Application: for film blowing extrusion.

Customer's Requirement: good abrasive resistance.

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

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 


OULIN SCREW:  YOUR LOYAL PARTNER FOR SCREW AND BARREL

120mm, L/D=30 Screw and Barrel for Film Blowing Machine
120mm, L/D=30 Screw and Barrel for Film Blowing Machine
 

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