Specifications
We can manufacture all types of screws and barrels according to clients' requirement. Specifications
1.screw and barrel
2.Base material :38CrMoAlA;
3.High quality alloy.
4,Nitriding treatment
2.Base material :38CrMoAlA;
3.High quality alloy.
4,Nitriding treatment
Tairong Machiney
Conical twin screw barrel for extruder
We ,ZHOUSHAN SHENGLONG MACHINERY CO.,LTD, is one of the most
professional screw and barrel manufacture/exporter in China,
have specialized in the field of injection and extruder machine
parts.
Our advantages:
screw and barrel for various models
- We can produce diameter 15mm to 300mm screw and barrel
- professional ebgineer design for you
- thousands of drafts can supply for you
- Professional Tech. and R&D team
- Insist on developing screw and barrel for more injection and
extruder machine models
- Main market: South America,Eastern Europe,Mid East/Africa
Screw Main parameter:
Screw Diameter: Φ15mm-Φ300mm
Material: 38CrMoAlA; SKD61; SKD11; 40Cr; 42CrMo; high quality
alloy steel
Technology: nitrided treatment, alloy coating spraying, heat-
treatment
Appliance: PVC, PP, PE, PA, PC, ABS .etc
Depth of Nitrated Layer: 0.5-0.8mm
Hardness of nitration: 900-1020Hv
Fragility of nitration: Less than grade 1
Surface Hardness of Nitrated Cr coating layer: ≥950Hv
Hardness of Bimetallic Layer: HRC55°-72°
Thickness of Cr-coating Layer: 0.03-0.08mm
Depth of Bimetallic Layer: >2mm