Planetary Extrusion Screw and Cylinder for ABS

Detail Information For Planetary Extrusion Screw and Cylinder for ABS:   Brief introduction: for heat-sensitive plastic; extrude rigid/ soft PVC; extrude ABS,TPO,TPU; extrude material which is mixed with binder or others. Specification: main screw diameter: Φ150-Φ350mm   Quality: Nitriding quality------ base material: 38CrMoAlA(JIS SACM645) Better steel-----Good abrasion& corrosion resistance.   Heat treatment: Advance hardening and tempering Nitriding treatment High/mid frequency hardening Vacuum hardening   Technical Parameters: Nitriding depth: 0.50mm-0.80mm Nitriding hardness: HRC56-58 Surface roughness: Ra 0.4 Screw straightness: 0.015mm Hardeness for fully hardened steel: HRC56-64  …