Gold Member Since 2012
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Zhejiang Zhongyang Screw Manufacturing Co., Ltd.

Twin Parallel Screw Barrel, Screw Barrel, Parallel Twin Screw Barrel manufacturer / supplier in China, offering Twin Parallel Screw Barrel PVC Double Screw Barrel Parallel Screw Barrel, Parallel Double Screw Cylinder for PVC Pipe Extrusion, Plastic Machinery Bimetallic Conical Twin Screw and Barrel and so on.

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Supplier Homepage Product Parallel twin screw and barrel Twin Parallel Screw Barrel PVC Double Screw Barrel Parallel Screw Barrel

Twin Parallel Screw Barrel PVC Double Screw Barrel Parallel Screw Barrel

FOB Price: US $100 / Piece
Min. Order: 1 Set
Min. Order FOB Price
1 Set US $100/ Piece
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Production Capacity: 1500sets/Month
Transport Package: Wooden Case
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: Twin Parallel Screw Barrel
  • Plastic Processed: PVC
  • Automation: Automatic
  • Trademark: Zhongyang
  • Origin: Zhejiang of China
  • Type: Profile Extruder
  • Screw: Twin-Screw
  • Computerized: Computerized
  • Specification: ISO9001: 2008
  • HS Code: 84779000
Product Description
Twin Parallel Screw Barrel, parallel twin screw barrel, bimetallic screw barrel, double screw barrel, plastic machinery components
1. Twin parallel screw barrel
2.38CrMoAlA+ special alloy
3. Processed to drawing or to your request & raw material
Techincal Advantages of bimetal twin parallel screw barrel for compounding machine:
1. Advanced Nitriding Technology
2. Anti-corrosion and Wear-resisting Duplex Metal Spraying Technoloy
3. We use special alloy powders being sprayed and welded on the screw's ridge, and
Use different alloy and welding methods for the screw of different functions.
Especially application:
Rubber, various high glass fiber, mineral fiber and PPA, PPS, PA6T, LCP, VO fire protection, ferrous power, magnetic powder and etc. Meanwhile, Used for PVC + 30% CaCo3, recylced plastic material, etc
Bimetallic Twin Parallel Screw Barrel for Compounding Machinery
Diameter Φ15mm-Φ350mm   Screw structure and compression
Designing ratio can be designed according 
  to different products  & different output requirement.
Materials 38CrMoAlA   Application PVC plate, pipe, profile, pellet and mould, at the same time,
(JIS SACM645) it solved the technical problem of low foaming, high foaming,
SKD61 high filling, wear and corrosion.
Nitride Case Depth 0.5mm-0.8mm Technology 1)Longer time Gas Nitriding treatment 
Nitride Hardness 950-1020HV Packing Wrapped up by film in wooden
Nitride Brittleness ≤Grade One Payment Term T/T , L/C 
Surface Roughness Ra0.4um Delivery Term 25 working days
Screw Straightness 0.015mm Port Departure Shanghai/Ningbo
Alloy Hardness HRC58-62 Min. Order 1 set
Alloy Depth 0.5mm-0.8mm Common Nitrided:2.5-4years
    Bimetallic: much longer lifetime.    
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