75mm High Speed Film Blowing Machine Bimetal Screw Barrel

Changsha Jose Trade Co., Ltd. / 2022-07-04

75mm High Speed Film Blowing Machine Bimetal Screw Barrel

=== Base Info ===

=== Description ===

Basic Info.

Model NO. 75mm Transport Package Plywood Case Specification 75mm Trademark OULIN Origin China HS Code 84779000 Production Capacity 300-500 Sets Per Year

Product Description

Detail Information For 75mm Screw and Barrel for Film Blowing Machine:

Application: for high speed film blowing machine.

Customer's Requirement: good abrasive resistance.

Screw's quality: bimetallic quality, screw's alloy layer contains 30% tungsten carbide powder.

Barrel's quality: OLIN-AR02 bimetallic barrel, better abrasive resistance, medium corrosive resistance.



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

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