Shenzhen HYPET Co., Ltd.
The Best Plastic Extrusion Machine Maker
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Screw And Barrel For Plastic Extruder / Extruding Machine Single Screw Double Screw
Product Description
a. Advanced Nitriding Technology .
b. Anti-corrosion and Wear-resisting Duplex Metal Spraying Technology .
c. 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 .
Specification
| screw diameter | Φ20-Φ200mm |
| Maximum screw length | 7600mm |
| Barrel inner bore diameter | Max Φ200mm |
| Materail | A. 38crmoala in high quality B. alloy steel in high quality |
| Technology | A. nitriding treatment B. alloy coating spraying C. heating treatment D. screw fully hardening E. vacuum quenching F: electroplate hard chrome |
| Technical parameter | A: depth of nitrition layer: 0.6-0.8mm B: nitriding treatment for 7 day and night, surface hardness HV>900 C: fragility of nitriding: less than grade 1 D: surface roughness: ra0.4um E: streightness of screw: 0.015mm F: depth of bimetallic layer>2mm G: hardness of alloy platig: HRC 62-72 H: surface of hardness of chrome coating layer: HRC 62-72 I: thickness of chrome coating layer: 0.03-0.06mm |
