150mm Pin-Barrel Cold Feed Exturder

• After-sales Service: 24hours Within 7days
• Warranty: 1 Year
• Control Type: PLC
• Automatic Grade: Manual
• Power Source: Mechanical
• Type: Rubber Extruder
• Model NO.: Screw Out-diameter 20-300mm
• Leading Time: 35-45days
• Application: Extruder
• Ratio L/D: 15-55
• Diameter: 150
• 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
• Hardness of Nitrided Layer: Hv950-1000
• Transport Package: Wooden Case
• Specification: ISO9001: 2008
• Trademark: DONGBIN
• Origin: China
• HS Code: 84779000
• Production Capacity: 500

Product Description

Company Introduction
Zhejiang Dongbin Rubber Machine screw Co.Ltd is one of the ten screw corporation in Zhou Shan. We are specializing in producing screw and barrel for both pin-type cold-feed and hot-feed extruder. In the past 15 years, our company has risen to become one of most professional feed rubber screw and barrel producer in China with the most advanced technology. Now, we occupy nearly 70% market share of feed rubber screw and barrel in China. The production capacity is over 1500 sets per year. It has been entitled "advanced private enterprise in Zhou Shan" many times.
 
Standard



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. Blanking
2. Rough Machining
3. Quenching and Tempering
4. Semi Finishing Machining
5. Finish Machining
6. Nitriding or Bimetallic Treatment
7. Detecting
8. Finished Product
9. Debugging 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