The single screw is a key component in extrusion and injection molding machines. The barrel
is the housing that surrounds the screw and provides a pathway for the material to flow.
conventional materials | 38CrMoAIA SKD61 |
nitriding hardness | HV900-1000 |
nitriding depth | 0.5-0.8mm |
quenching hardness | HRC55-62 |
straightness of screw | 0.015mm |
thickness of chromium plaring layer | 0.05~0.1mm |