PET Screw and Barrel for Injection Molding Machine Haitian
1.Advanced Nitriding Technology
2.Anti-corrosion and Wear-resisting Duplex Metal Spraying Technoloy
3. we uses special alloy powders being sprayed and welded on the screw's ridge,and uses
different alloy and welding methods for the screw of different functions.
4.Bi-metallic screw&barrel can be provided for two-three times more lifespan than nitrided screw&barrel.
| Depth of Nitrated Layer | 0.5-0.8mm |
| Hardness of nitration | 900-1020Hv |
| Fragility of nitration | Less than grade 1 |
| Surface roughness | Ra 0.4um |
| Hardness of Cr-coating Layer | ≥950Hv |
| Thickness of Cr-coated Layer | 0.03-0.08m |
| Appliance | PVC, PP, PE, PA, PC, ABS, AS etc |
| guarantee period | a year |
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