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Screw Barrel For Plastic Processing Machine 

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Screw Barrel For Plastic Processing Machine 

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Packaging: Wood case 

Mr.Charlie Tong  Other

Ningbo Cowell Industry Co.,Ltd.

  • Zhejiang , China

Business type:Manufacturer

Tel:86-574-87578489

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Product Description

Screw barrel for plastic processing machine



Specification:  
For screw:   Dia. 15-300 mm   Length 300-9000 mm   L/D ratio: 15-50
Fro barrel:   Dia. 30-500 mm   Length 300-8000 mm




Material Available:
Nitriding Steel: 42CrMo, 38CrMoALA, etc
Cool work steel: D2, SKD61, 9Cr18MoV etc.
Heat resistant steel: SKH51, GH113 etc.



Technical Index
Steel Material
38CrMoALA,SKD61.,D2 etc.
Hardness after Hardening&Termpering
HB240-280
Nitriding Treatment
≥ 96 hours
Surface Hardness
58-64 HRC
Nitrided layer depth
0.5-0.8mm
Surface Roughness
Ra0.4
Screw Straightness
0.015mm
Chromium-Plated Surface Hardness after nitriding
≥900HB
Chromium-Plating Layer Thickness
0.05-0.10 mm
Bimetallic Layer Hardness
50-65 HRC
Depth of Alloy Layer
0.8-2.0 mm




Grade Material Process
Standard grade 38CrMoAlA Nitriding 96 hours
Bimetallic grade 38CrMoAlA HP/HVOF
TC-A grade Tungsten carbide 40% Centrifugal casting
TC-B grade Tungsten carbide 25% Centrifugal casting
TC-C grade Tungsten carbide 10% Centrifugal casting






NINGBO COWELL INDUSTRY CO.,LTD was established in 2006. It's highly involved in manufacturing of injection screw barrel, extruder screw barrel,rubber machine screw barrel as well as ball screw, linear guide, which are the critical component of precision machinery and mainly applied to Plastics Injection Machine,Plastic processing extruder, Machine Tool, Engineering machine, Precision Orientation Equipment and other equipments and machines. It has professional technician team, engaged in manufacturing and researching of screw barrel. Recent years, Cowell industry places great emphasis in upgrading not only the manufacturing and quality of screw barrel but also after sales service. We uphold the concept "customer first", to provide professional, promptly and attentive service as well as better solution to continuously create value for customers.Good reputation has won the recognition from domestic and oversea market. Now we have exported to more than more than 30 countries and regions, including Middle East, Southeast Asia, France,Denmark,Finland, Italy, Poland, Brazil and Chile etc. We warmly welcome customers oversea to build long term cooperation relationship with us!

Basic Information

  • Company Name:

    Ningbo Cowell Industry Co.,Ltd.

  • Business Type:

    Manufacturer

  • Product/Service:

    Screws Barrels , Screws And Barrels , Extruder Screw Barrels

  • No. of Total Employees:

    51~100

  • Year Established:

    2006

  • Product Range:

    Plastic Extruder

  • Certificate:

    Manufacturer

  • Company Address:

    Room 3-1303, Xinning Road 456, Jiangdong  

Trade & Market

  • Main Markets:

    Worldwide

  • Total Annual Sales Volume (Million US $):

    US$10 Million - US$50 Million

  • Export Percentage:

    71% - 80%

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