Products
- 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 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
blow molding extrusion feed screw
Product Detailed
Related Categories:Plastic Processing Machinery Parts
Detailed Product Description
Extruder screw and barrel for plastic extruder
Material: 38CrMoAlA 40CrMo 42CrMo high quality alloy steel
Technology: Nitriding treatment, alloy coating spraying, heating treatment, screw fully hardening.
Depth of nitrition layer: 0.5-0.8mm
Nitriding treatment, surface hardness: HV≥900-1000
Fragility of nitrition: Less than grade 1
Surface roughness: Ra 0.4um
Fragility of nitrition: Less than grade 1
Surface roughness: Ra 0.4um
Straightness of screw: 0.015mm
Surface of hardness of nitrated Cr coating layer: ≥950HV
Hardness of Cr coating layer: HRC55-62
Thickness of alloy plating: 0.03-0.08mm
Depth of alloy layer: 2mm
We can manufacture various kinds of screw barrels according to the customer's requirement
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