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

Screw and Barrel, Extruder Screw Barrel, Barrel Screw manufacturer / supplier in China, offering Assembly of Feed Roller, Cold Feed Extruder, Rubber Exhaust Type Extruder and so on.

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Assembly of Feed Roller

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
  • Nitrided Layer Thickness: 0.55-0.70mm
  • Surface Roughness: Ra0.4
  • Delivery Ways: by Sea or by Air
  • Specification: ISO9001: 2008
  • HS Code: 84779000
  • Type: Pinned Screw&Barrel
  • Plastic Type: Thermoplastic
  • Clamping Way: Hydraulic & Mechanical
  • Computerized: Computerized
  • Leading Time: 35-45days
  • Hardness of Nitrided Layer: Hv950-1000
  • Steel Material: 38crmoaia
  • Warranty and Service: 1 Year
  • 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
Specification 60-250mm
Material leakage rate0.05%
Extruding wave1%
Abrasion rate1m/3 years
Bush material:38 CrMoAIA
Material:38 CrMoAIA
Nitriding hardnessHB950
Nitriding depth0.55mm
Nitriding treatment for Feed roller surface, and the gear is high frequency induction hardening
.

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
ProductScrew&Barrel
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
 Assembly of Feed Roller

 
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
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Mr. Neng Jun Yuan
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