برميل برغي مزدوج مخروطي لآلة بثق البلاستيك

Conical Screw & Barrel for plastic extrusion machine D50/D105,D55/D110,D60/D125,D65/D120, D65/D132,D70/D140,D75/150,D80/D143,D80/D156,D92/D188 Application : Granules Plastic processed : PP PE HDPE LDPEetc Technical Parameter Nitride Case Depth 0.5mm-0.8mm Nitride Hardness 1000-1100HV Nitride Brittleness ≤Grade One Surface Roughness Ra0.4um Screw Straightness 0.015mm Alloy Hardness HRC68-72 Alloy Depth 0.5mm-0.8mm Chromium Coating Thickness   0.025~0.10mm ...