Conical (Parallel) Twin Screw and Barrel
1.Material: 38CrMoAlA
2.Nitride treatment
3.Hard chrome plating
Conical (Parallel) Twin Screw and Barrel1.Material: 38CrMoAlA Nitriding treatment Surface hardness: HV≥900 Nitriding depth: 0.5-0.8mm Screw straightness: 0.015mmChrome layer hardness after nitride: ≥950Hv2. Base material: 38CrMoAI A, Special alloy is welded on the flight of screw , prolong life of screw. 3. Nitride treatmentHard chrome platingHigh frequency platingSpraying bimetallic alloy for corrosion resistance & abrasive resistance4. Easy wearing parts of barrel made from anti-wear alloy can be improved abrasion performance.
Conical (Parallel) Twin Screw and Barrel