Material Available:
Nitrided Steel: 42CrMo, 38CrMoALA, etc
Cool work steel: D2, SKD61, 9Cr18MoV etc.
Heat resistant steel: SKH51, GH113 etc.
Working process:
Raw Material - Quenching & Tempering - Rough Machining - Semi finish Machining - Finish Machining - Nitriding Treatment - Bimetallic Casting - Inspection - Finish Products
Technology Index:
| Barrel Surface Roughness | Ra0.4um | Nitriding Layer Hardness | HRC950-1020 |
| Barrel Straightness | 0.015mm | Nitriding Fragility | < = Grade one |
| Inner Diameter | Φ14-Φ300 X 8000mm | Screw Straightness | 0.0015mm |
| L/D Ratio | L/D=8-20 | Cr-Plating Layer Depth | 0.03-0.08mm |
| Screw Surface Roughness | Ra0.4μm | Bimetallic Layer Depth | >2.0mm |
| Nitriding Layer Depth | 0.5-0.8mm | Bimetallic Layer Hadness | HRC55°-72° |
Material: Cold feed rubber screw and barrel: Specification: Ф40-Ф300MM
L/D Ratio: 8-20
Hot feed rubber screw and barrel: Specification: Ф30-Ф250MM
L/D ratio: 4-8
Pin-rubber screw and barrel: Specification: Ф60-Ф250MM
L/D ratio: 12-18
Screw types:
You can choose different structures of the screw according to different plastic material, which can increase the plasticizing effect, such asgradual, mutant, wavy, double-screen, distributary, separating, exhausting, pin type, mixed, double screws, three screws.
