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- 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
conical twin-orifice barrel
Product Detailed
Related Categories:Plastic Product Making Machinery Parts
Detailed Product Description
The conical twin orifice barrel for extruder and injection molding machine in many specifications.
The conical twin orifice barrel's Abraasion resistant and corrosion resistant
The conical twin orifice barrel of Material:High quality alloy steel
1)38CrMoAlA
2)9Gr18MoV
Technics:1)Heat-treatment
2)Nitriding treatment
3)Spray coating Bimetallic-alloy
Technical data
Nitriding depth:0.50-0.80mm
Nitriding hardness:900-1000HV
Nitriding barittleness:Less than grade 1
Surface roughness:Ra0.4
Linearity of the screw:0.015mm
Hardness of the chrome plating after nitriding:More than 950HV
Chrome plating thickness:0.025-0.085mm
