- Plastic Blowing Machinery[6]
- Plastic Extruders[6]
- Bag Making Machinery[6]
- Weighing Scales[2]
- Screws[1]
- Gearboxes[2]
- Other Mechanical Parts[1]
- Moulds[2]
- Bag Making Machinery Parts[1]
- Packaging Bags[6]
- Aprons[1]
- Contact Person : Ms. Li Grey
- Company Name : Shanghai Dai Wai Mechanical Electrical Equipment Co., Ltd.
- Tel : 0086-021-54331902
- Fax : 0086-021-64119202
- Address : Shanghai,Shanghai,No.198 Lian le road,lian xing village pu jiang town,Shanghai,China
- Country/Region : China
- Zip : 201112
Single screw and barrel for extrusion machine of Spray coating Bimetallic-alloy
Related Product Searches:Single screw and barrel for extrusion machine of Spray coating Bimetallic-alloy,High Quality,screw and barrel for plastic extruder machine, screw and barrel for extruder,DW-S55
Single screw and barrel for extrusion machine
Material: 1)38CrMoAiA(JIS SACM645)
2) 42crMo(JIS SCM440)
3)SKD61
Heating-Treatment
Nitriding treatmentElectroplated hard-chrome finishHigh-frequency quenchingSpray coating Bimetallic-alloyVacuum quenchingSize of single screw and cylinder for extrusion machine:Diameter: 20mm~300mm
Ratio of length to Diameter: L/D=15~55
Main technical specification
1.Tempering hardness: 240~280HV
2.Nitride hardness: 900~1020HV
3.Nitride layer thickness: 0.5~0.8mm
4.Nitride brittleness: ≤2 grade
5.Surface roughness: Ra 0.4um
6.Screw straightness: 0.015mm
Centrifugally casting Bi-Metallic Barrel by high speed in order to enable alloy and steel material with
melted cadmium covered over inside the pipe.
Single screw and barrel for extrusion machine of Spray coating Bimetallic-alloy