Planetary Screw Barrel for PVC Sheet Extrusion 

PVC PE PP Sheets Planet Multi-Screw Barrel Technical information: Base materials: 1)38CrMoAlA (JIS SACM645) 2)42CrMo (AISI 4140) Bimetallic alloy materials: 1)Ni-based alloy/Deloro alloy 2)Tungsten carbide/Wolfram carbide Processing technics: Heat treatment High-frequency quenching Nitriding treatment Ionic nitriding treatment Bimetallic alloy centrifugal casting Technical parameters: Nitriding layer depth: 0.3-0.7mm Nitrided Hardness: 850-950HV (HRC 50-60) Nitrided brittleness: Less than grade 1 Surface roughness: Ra 0.4 Linearity of screw: 0.015mm Bimetallic layer depth: 2 mm Bimetallic layer hardness: HRC 50-65 Terms and Conditions: Means of transport: Ocean, Air, Express Production time: About 20-30 days after we receive the advanced payment Production Process: Receiving orders - Designing & Drawing confirmation - Blanking Thermal refining - Heat treatment - Rough Turning - Polishing - Drilling for barrel - Semi…