Conical Twin Screw Barrel for Plastic Machine
Our conical twin screw and barrel provide high surface area and low shear screw designs that will optimize the melt homogeneity.
| Hardness of adjuster | HB260-290 |
| Depth of nitration | 0.4-0.7mm |
| Hardness of nitration | HV800-1050 |
| Depth of double alloys | 0.8-2.0mm |
| Hardness of double alloys | HRC56-65 |
Screw Main Parameter:
Screw Diameter: Φ20mm-Φ300mm
Material: 38CrMoAlA; SKD61; SKD11; 40Cr; 42CrMo; high quality alloy steel
Technology: Nitriding treatment, alloy coating spraying, heat-treatment
Appliance: PVC, PP, PE, PA, PC, ABS, AS etc
Depth of Nitrated Layer: 0.40-0.70mm
Hardness of nitration: 950-1050Hv
Fragility of nitration: Less than grade 1
Surface Hardness of Nitrated Cr coating layer: Greater than 950Hv
Hardness of Bimetallic Layer: HRC55-62
Thickness of Cr-coating Layer: 0.03-0.08mm
Depth of Bimetallic Layer: Greater than 2mm
Our Advantages
-screw and barrel for various models
- We can produce diameter from 20mm to 300mm screw
- professional engineers 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
Treatment / Technology
Heat-treatment
Nitriding treatment
Alloy coating spraying
Electroplate hard-chrome
High-frequency quenching
Spraying corrosion wear-resisting dual metal layers
Vacuum quenching
Fragility of nitration: Less than grade 1
Roughness of the surface: Ra0.4
Linearity of the screw: 0.015mm
The surface hard chromium plating hardness after nitrogenation: ≥900HV
Chromium-plating layer thickness: 0.05-0.1mm
Quality 38CrMoAIA
Quality twin-phase stainless
Quality satellite powder of surface spray
Cold alloys hot alloys
Advanced nitriding
Process of hot sprayed hard alloys
Our Factory
Our package
About JIAWEI:
- We have an experience of more than 20 year of manufacturing and designing Plastic machines, varied Screws and Barrels and spares. We concentrate on improving quality, updating design and enhancing service.
- Screws Barrels for Injection, Extrusion, and Blow Molding applications; relevant accessories; plastic machinery.
- Located in China's Screw Town - Jintang Town in Zhoushan City, near to Ningbo Port and Shanghai Port.
- Global sales network reaching South America, Eastern Europe, Southeast Asia, Africa, Oceania and the Middle East.
- We assure the customer benefits. We provide competitive price, We Emphasis on Cooperation.
Our screw and barrel can ensure high performance and low energy consumption of extruder and Injection molding machine.
We can supply professional screw and barrel to your order!
