Technical Specifications of Extruder Screw

Primarily for injection molding machines, extruders, rubber machines, etc. Designs various screws and material pipes according to different customer requirements.

Processing Range: Small inner hole Φ14, Large Φ300x8000mm 

2. Raw Materials: SACM645, SKD61, German 8407, HPT material, Assab Sweden steel, 38CrMoALA.

Surface Roughness: Ra0.4 μm

4. Straightness: 0.015mm/m

5. Technical Specifications: Quenching time over 28 hours, quenching hardness HRC 26-30, gas vacuum nitriding time over 96 hours, nitriding hardness HRC 62 and above, screw straightness 0.015mm.

6. Dual Alloy Technical Specifications: Imported alloy powder Xaly108NicrWCCO is evenly applied to the screw surface and cast into the inner hole of the material tube, with the alloy layer reaching 2.0mm-3.0mm.

7. Applicable Range: General plastics such as PP, PS, ABS, PC, PMMA, PVC, PPA, PPS, LCP, etc.

8. Processing Methods: Nitriding, quenching, alloy spraying, hard chrome plating.