65mm L/D Ratio=33 Screw and Barrel for PP Melt-Blown Fabric

• Customization: Available
• After-sales Service: If Has Quality Defects, a New One Will Be Made.
• Warranty: 180 Days
• Model NO.: 65mm
• Standard: DIN, JIS
• Technics: Cutting, Heat Treatment, Pta Welding, Casting
• Feature: Long Working Life
• Material: Alloy Steel
• Transport Package: Plywood Case
• Specification: 65mm
• Trademark: OULIN
• Origin: China
• HS Code: 84779000
• Production Capacity: 300-500 Sets Per Year

Product Description

Detail Information For 65mm L/D Ratio=33 Screw and Barrel for PP Melt-Blown Fabric:

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 

ZHOUSHAN JINTANG OULIN MACHINERY CO., LTD is located in ZHOUSHAN city, near NINGBO city and SHANGHAI city,  Zhoushan city is the capital of Chinese screw and barrel, there has complete industrial& supply chains, experienced engineers& workers, take advantage of these, advanced design and production technology can be used in our products.

Chinese market is our main market and we started to export screw barrel since 2012, now our products were exported to over 20 countries, like India, Spain, Chile, Italy, Iran, Mexico, Turkey, Russia and others.


OULIN SCREW:  YOUR LOYAL PARTNER FOR SCREW AND BARREL




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