Products
- Plastic Processing Machinery Parts[104]
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- Screws[19]
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Contact Us
- Contact Person : Ms. Wang Mia
- Company Name : Zhoushan Zhongyang Screw Manufacturing Co., Ltd.
- Tel : 86-574-88114868
- Fax : 86-574-88114878
- Address : Zhejiang,Ningbo,Room 408,Unit 10,Jinshuiwan Building,Changfeng,Yinzhou District
- Country/Region : China
- Zip : 315000
screw and barrel manufacturers
Product Detailed
Related Categories:Plastic Product Making Machinery Parts
Detailed Product Description
The conical twin barrel for extruder in many specifications.
The conical twin barrel's Abrasion resistant and corrosion resistant
Material:1)High quality 38CrMoAlA
2)9Cr18MoV
Technics:1)Heat-treatment
2)Nitriding treatment
3)Bimetallic-alloy coating spraying
Technical parameter
Nitriding depth:0.50-0.80mm
Nitriding hardness:900-1000HV
Nitriding brittleness:Less tha grade 1
Surface roughness:Ra0.4
Linearity of the screw:0.015mm
Hardness of the chromium plating after nitriding :more than 950HV
Chrome plating thickness:0.025-0.085
