Hot-Feeding Screw and Barrel

• After-sales Service: 24hours Within 7days
• Warranty: 1year
• Type: Pinned Screw&Barrel
• Structure: Vertical and Horizontal Composite
• Plastic Type: Thermoplastic
• Plasticizing Way: Screw Type
• Model NO.: 100mm
• Clamping Way: Hydraulic & Mechanical
• Automation: Automatic
• Computerized: Computerized
• Certification: ISO9001:2008
• Leading Time: 35-45days
• Application: Pin Barrel Cold Feeding Rubber Extruder
• Diameter of Hot-Feed Crew: 45-300mm
• Hardness of Nitrided Layer: Hv950-1000
• Nitrided Layer Thickness: 0.55-0.70mm
• Steel Material: 38crmoaia
• Surface Roughness: Ra0.4
• Warranty and Service: 1 Year
• Delivery Ways: by Sea or by Air
• L/D Ratio: 4-6
• Transport Package: Wood Case
• Specification: ISO9001: 2008
• Trademark: DONGBIN
• Origin: Zhoushan
• HS Code: 84779000
• Production Capacity: 1000

Product Description

 
Product Description
Pinned barrel and screw for cold-feed extruder machine
Φ60mm-Φ250mm     L/D ratio: 12-18
Screw and barrel for cold-feed extruder
Φ45mm-Φ300mm   L/D ratio: 8-20
Screw and barrel for hot-feed exterder
Φ45mm-Φ250mm   L/D ratio: 4-6
Materials
38CrmoAIA
Duplex stainless Steels
GH3#
Power Metallurgy Raw Material
Cold/Thermal Spray Hard Metal Process
Advanced Nitriding Process
Corrosion&Abrasion Resistance Bimetal Spraying Process
 
Technical Index

Product	Screw&Barrel
Tempering hardness	HB240-280
Hardness of nitrogen treatment	HV950-1000
Depth of nitrogen layer	0.55-0.70
Nitrided brittleness	Less than grade 1
Surface roughness	Ra 0.4
Screw straightness	0.015mm
Hardness after nitriding	≥900HB
Chromium-plating depth	0.05-0.10mm
Alloy hardness	HRC55-62
Alloy Depth	1.5-2.0mm

 

 

Production Process

1. BlankingRough MachiningQuenching and TemperingSemi Finishing MachiningFinish MachiningNitriding or Bimetallic TreatmentDetectingFinished ProductDebugging after the Sale

 
Our Service
Warranty and service: 1years
 
 
Our Advantages
1)Excellent raw materials
2)Good customer service
3)Rapid delivery
4)Reasonable price
5)Production quickly