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

Twin Conical Screw Barrel, Screw Barrel, Conical Twin Screw Barrel manufacturer / supplier in China, offering Conical Twin Screw Barrel for PVC Granule Sheet Profile Pipe Extrusion Screw Barrel, Conical Twin Screw Barrel Double Screw Barrel, Durable Planetary Screw Barrel Assembly and so on.

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Supplier Homepage Product Conical twin screw and barrel Conical Twin Screw Barrel for PVC Granule Sheet Profile Pipe Extrusion Screw Barrel

Conical Twin Screw Barrel for PVC Granule Sheet Profile Pipe Extrusion Screw Barrel

FOB Price: Get Latest Price
Min. Order: 1 Set
Production Capacity: 500sets/Month
Transport Package: Wooden Case
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: Twin Conical Screw Barrel
  • Plastic Processed: PVC
  • Automation: Automatic
  • Screw Barrel: Twin Screw Barrel for PVC Granule
  • Specification: ISO9001: 2008
  • HS Code: 84779000
  • Type: Profile Extruder
  • Screw: Twin-Screw
  • Computerized: Computerized
  • Trademark: Zhongyang
  • Origin: Zhejiang of China
Product Description
Twin Conical screw barrel for PVC granule, PVC sheet/profile/pipe extrusion screw barrel, double screw barrel, bimetallic screw barrel, plastic machinery screw barrel

Specification:
Diameter: Φ 45mm-Φ 200mm
L/D ratio: 16-35
The compression ratio of screws can be designed according to different products and ingredients

Technical Information

Base Materials:
1). 38CrMoAlA(JIS SACM645).
2). 42CrMo(AISI 4140).
3). 4Cr5MoSi V1 (JIS SKD-61).
4). 9Cr18MOV
5). HPT

Bimetallic alloy materials:
1). Fe-based alloy
2). Ni-based alloy/Deloro alloy
3). Co-based alloy
4). NiCo-based alloy
5). Tungsten carbide/Wolfram carbide

Technics:
Heat treatment
High-frequency quenching
Nitriding treatment
Hard-chrome electroplating
Bimetallic alloy welding
Bimetallic alloy centrifugal casting

Technical parameter:
Nitrided layer depth: 0.5-0.8mm
Nitrided hardness: 900-1000HV
Nitrided brittleness: Less than grade 1
Surface roughness: Ra0.4
Linearity of screw: 0.015mm
Hard-chrome plating hardness after nitriding: >=950HV
Chrome-plating layer depth: 0.025-0.085mm
Bimetallic layer depth: 3mm

Warranty and service: 1 year

Our advantages:
1). Excellent raw materials
2). Good customer service
3). Rapid delivery
4). Reasonable price
5). Production quickly

Experienced manufacture, we will be the best choice.
Main Base materials
 
1.38CrMoAlA  (Nitriding Steel)
2.  SKD-61   (Special Tool Steel)
3.  42CrMo (Ultrahigh Strength   Steel)
4. DC53 ( Cold Work   Die Steel)  
5. W6Mo5Cr4V2 ( High-Speed   Tool   Steel )
6. HPT
 
 
 
Main Alloy Materials
1.  Ni-based alloy/Deloro alloy
2.  Tungsten carbide/Wolfram carbide
3.  NiCo-based alloy
4.  Fe-based alloy
5.  Co-based alloy  
 
 
 
 
Processing Technics
1.  Heat treatment
2.  Quenching
3.  Nitriding treatment
4.  Bimetallic alloy welding
5.  Bimetallic alloy centrifugal casting
6.  Hard-chrome electroplating
 
 
 
 
 
Technical parameters
Nitriding layer depth 0.5-0.8mm
Nitrided hardness HRC56-58
Nitrided brittleness Less than grade 1
Surface roughness Ra 0.4
Linearity of screw 0.015mm
Hard-chrome plating hardness ≥HRC57
Chrome-plating layer depth 0.03-0.09mm
Bimetallic layer depth 3 mm
Bimetallic layer hardness HRC58-62
Above are main technical information, a suitable screw and barrel will be made according to your requirement.

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