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

Bimetallic Screw Barrel, Screw Barrel, Screw Barrel for Extruder manufacturer / supplier in China, offering Bimetallic Screw Barrel Extruder Screw Barrel PE Film Screw Barrel, Single Screw Barrel Film Blowing Extrusion Screw Barrel, Conical Double Screw Barrel Twin Conical Screw Barrel and so on.

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Bimetallic Screw Barrel Extruder Screw Barrel PE Film Screw Barrel

FOB Price: Get Latest Price
Min. Order: 1 Set
Production Capacity: 1500sets/Month
Transport Package: Wooden Cases
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: Extruder screw barrel
  • Plastic Processed: PE
  • Automation: Automatic
  • Trademark: Zhongyang
  • Origin: Zhejiang of China
  • Type: Sheet Extruder
  • Screw: Single-Screw
  • Computerized: Computerized
  • Specification: ISO9001: 2008
  • HS Code: 84779000
Product Description
Bimetallic Screw cylinder, Extruder wear-resisting screw barrel, extrusion screw barrel, plastic machinery screw barrel

Specification:
Screw diameter: Φ 15mm-Φ 300mm
Maximal length: 8000mm
Barrel inner diameter: 15-300mm
Maximal length: 4000mm

Different bimetallic alloys are available for different raw materials.

Base Materials:
1)38CrMoAlA(JIS SACM645)
2)42CrMo(AISI 4140)
3)9Cr18MOV

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

Experienced manufacture, we will be the best choice.
Technical Parameter For Extruder Machine
Base Material 1)38CrMoAlA(JIS SACM645);2)Cr12MOV(JIS SKD-11) ;
3)4Cr5MoSiV1(JIS SKD-61) ;4)42CrMo(AISI 4140) 
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 
Double-alloy level Level A - containing Tungsten of 40%
Level B - containing tungsten of 25%
Level C - containing tungsten of 9.5%
Surface  Treatment Heat Treatment
High Frequency Treatment
Nitriding treatment(120 Hours):
Depth of Nitrided Layer: 0.5-0.8 mm
Hardness of Nitrided Layer: 900-1020Hv (HRC56°-65°)
Hard Chrome Plating treatment:
Thickness of Hard Chrome Plating Layer: 0.05-0.10mm
Hardness of Hard Chrome Plating Layer:  ≥ 950HV
Nickel alloy plating.treatment:
Bimetallic Barrel/Cylinder: Centrifugal Casting (Inlay Alloy)
Bimetallic Screw: Plasma Alloy Coating Spraying
Depth of Bimetallic Layer: >2mm
Hardness of Bimetallic Layer: HRC55°-72°
Spraying corrosion wear-resisting dual metal layers
Basic information Roughness of the surface:Ra0.4um
Linearity of the screw:  ≤ 0.015mm
Linear axis limit:  ≤ 0.02mm
Hardness after Hardening & Tempering: HB240-280
Fragility of Nitration: ≤ Two class
Material Application 1)General Plastics
2)ABS,PA,PC,PE,PET,PP,PS,EVA,PU,PVC,U-PVC,etc
3)PA + GF(Glass Fiber)
4)Flame-resistant Reinforced Plastics
5)Modified Engineering Plastics
6)All kinds of Mixed Recycled Material(in Scrap or Granule), PVC + 30% CaCo3, etc

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