- Plastic Processing Machinery Parts[104]
- Plastic Product Making Machinery Parts[38]
- Screws[19]
- Drums[1]
- Double-Sided PCB[2]
- Tool Parts[1]
- Shafts[1]
- Plastic Extruders[10]
- Curb & Paving Stone Forming Machinery[2]
- Resistors[6]
- Pipe Making Machinery[2]
- Plastic Granulators[2]
- FPC[1]
- Other Fasteners[1]
- Metal Processing Machinery Parts[2]
- Rubber Processing Machinery Parts[9]
- Plastic Blowing Machinery[1]
- Used Plastic Extruders[1]
- 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
Parallel Twin Screw Barrel for Extruder
Screw and barrel for Extruder
Lenght/Diameter Ratio:L/D=18~25
The compression ratio of the screw can be designed according to different raw materials and products. Use for PVC,PP,PE Material: Alloy-steel of high-quality 1)38CrMoAlA(JIS SACM645) 2)42CrMo(JIS SCM440)
1)Heat-treatment
2)Nitriding treatment
3)Hard-chrome electroplating
4)High-frequency quenching
5)Bimetallic alloy spray finishing
6)Vacuum quenching
Technical parameter1)Nitriding depth:0.5-0.8MM2)Nitriding hardness:900-1000HV3)Nitriding brittleness:Less than grade 14)Surface roughness:Ra 0.45)Linearity of the screw:0.015 MM6)Hardness of the chrome plating after nitriding:More than 950HV7)Chrome plating thickness:0.025-0.085MM
Parallel Twin Screw Barrel for Extruder
