Model:JM228 52mm
Chen Hsong Injection Machines JM228 52mm bimetallic screwbarrel
| Name | Bimetallic Screw Barrel for Injection Machines |
| Application | Plastic injection,PP etc |
| Machine Brand | Chen Hsong |
| Diameter | JM228 52mm |
| Materials | 38CrMoAlA(DIN1.8550) |
| Processing | 1)72 hours Hardening & Tempering;2)120 hours Gas Nitriding treatment;3)PTA welding for screw after nitriding;4)Centrifugal Casting Bimetallic for barrel |
| Hardness | 1)HB280-320 after Hardening & Tempering;2)HV850-950 after Nitriding;3) HRC50-65 after bimetallic |
| Nitride Case Depth for screw | 0.50-0.80mm |
| Nitride Brittleness | Less than Grade 2 |
| Surface Roughness | Ra 0.4 |
| Screw Straightness | 0.015mm |
| Alloy Component | Ni60 Tungsten Carbide |
| Life time | 3-5 years |
| Packing | PE Casting Film wrapped and then packed in standard wooden cases for exporting |
| Delivery | 25~35 days after order confirm |
| Payment Term | 30% deposit by TT and 70% balance before delivery |
