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

Injection Screw Barrel, Screw Barrel, Bimetallic Screw Barrel manufacturer / supplier in China, offering Screw Barrel for Injection Molding Machine Injection Screw Barrel, Twin Co-Rotating Screw Elements Tin Screw Barrel, Twin Parallel Screw Barrel Double Screw Barrel PVC Granule Profile/Pellets and so on.

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Supplier Homepage Product Single screw and barrel for injection molding machine Screw Barrel for Injection Molding Machine Injection Screw Barrel

Screw Barrel for Injection Molding Machine Injection Screw Barrel

FOB Price: Get Latest Price
Min. Order: 1 Set
Production Capacity: 100 Sets/Month
Transport Package: Wooden Case
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: Injection screw barrel
  • Structure: Horizontal
  • Automation: Automatic
  • Trademark: Zhongyang
  • Origin: China
  • Type: Injection Blow Molding
  • Plastic Type: Thermoplastic
  • Computerized: Computerized
  • Specification: ISO 9001: 2008 approved
  • HS Code: 84779000
Product Description
Injection Screw Barrel, bimetallic screw barrel, screw cylinder for Injection Molding Machine, injection screw barrel, bimetal screw barrel, PET bottle blowing screw barrel

Specification:
Screw diameter: Φ 20mm-Φ 220mm
Mould clamping force: 250T-3200T
Shot weight: 30G-30000G

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 manufacturer, 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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