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Zhejiang Zhongyang Screw Manufacturing Co., Ltd.

Injection Screw, Injection Molding Screw Barrel, Shoes manufacturer / supplier in China, offering Injection Screw Tips, Single Screw Barrel Film Blowing Extrusion Screw Barrel, Conical Double Screw Barrel Twin Conical Screw Barrel and so on.

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Injection Screw Tips

FOB Price: US $50 / Piece
Min. Order: 1 Set
Min. Order FOB Price
1 Set US $50/ Piece
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Production Capacity: 1500sets/Month
Transport Package: Slushing Oil Coated& Film Wrapped in Wooden Case
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: Injection screw barrel parts
  • Structure: Vertical and Horizontal Composite
  • Automation: Automatic
  • Screw Barrel: Customize
  • Specification: ISO9001: 2008 approved
  • HS Code: 84779000
  • Type: Injection Blow Molding
  • Plastic Type: Thermoplastic
  • Computerized: Computerized
  • Trademark: Zhongyang
  • Origin: Zhoushan, China
Product Description
Injection screw barrel parts, screw tips, bimetallic screw barrel, injection molding screw barrel, Single Screw for Injection Molding Machinery

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

Experienced manufacture, we will be the best choice.
Plastic injection mold screw barrel for injection molding screw barrel
Diameter45mmMin.Order1 set
Materials38CrMoAIA
GH113
SKD61
Discount Available
ApplicationPVC.PMMA.ABSPayment 
Term
T/T, L/C
Technical 
Process
1.Rough Machining
2.Quenching 
and Tempering
3.Finish Machining
4.Nitriding
5 Spraying and welding
with alloy power
6.Screw polishing
Technological 
Parameter 
RoughnessRa 0.4um
Hardness of Quenching 
and Tempering
HB 240-280
Depth of Nitride Layer0.5~0.8mm
Hardness of NitrideHV 900-1020
Alignment of Screw0.015mm
Packing Wooden CasePort DepartureNingbo Port
GuaranteePlastic injection mold screw barrel for injection molding screw barrel : more than 2 years

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