Gold Member Since 2016
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Zhejiang Dongbin Rubber Machinery Screw Co., Ltd.

Screw and Barrel, Extruder Screw Barrel, Barrel Screw manufacturer / supplier in China, offering Hot-Feed Screw, Cold Feed Extruder, Rubber Exhaust Type Extruder and so on.

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Hot-Feed Screw

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Ningbo, China
Transport Package: Wood Case
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: at buyer option
  • Structure: Vertical and Horizontal Composite
  • Plasticizing Way: Screw Type
  • Automation: Automatic
  • Certification: ISO9001:2008
  • Application: Pin Barrel Cold Feeding Rubber Extruder
  • Hardness of Nitrided Layer: Hv950-1000
  • Steel Material: 38crmoaia
  • Warranty and Service: 1 Year
  • L/D Ratio: 4-6
  • Specification: ISO9001: 2008
  • HS Code: 84779000
  • Type: Pinned Screw&Barrel
  • Plastic Type: Thermoplastic
  • Clamping Way: Hydraulic & Mechanical
  • Computerized: Computerized
  • Leading Time: 35-45days
  • Diameter of Hot-Feed Crew: 45-300mm
  • Nitrided Layer Thickness: 0.55-0.70mm
  • Surface Roughness: Ra0.4
  • Delivery Ways: by Sea or by Air
  • Trademark: DONGBIN
  • Origin: China
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.
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
Duplex stainless Steels
Power Metallurgy Raw Material
Cold/Thermal Spray Hard Metal Process
Advanced Nitriding Process
Corrosion&Abrasion Resistance Bimetal Spraying Process
Technical Index
Tempering hardnessHB240-280                    
Hardness of nitrogen treatmentHV950-1000
Depth of nitrogen layer0.55-0.70
Nitrided brittleness Less than grade 1
Surface roughnessRa 0.4
Screw straightness0.015mm
Hardness after nitriding 900HB
Chromium-plating depth0.05-0.10mm
Alloy hardnessHRC55-62
Alloy Depth1.5-2.0mm
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
 Hot-Feed Screw

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
Send your message to this supplier
Mr. Neng Jun Yuan
To: Mr. Neng Jun Yuan

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