single screw and barrel for injection
Material 1 38CrMoAIA(JIS SACM645)2 42CrMo(JIS SCM440)3 Nickel based alloy powder Heat treatmentNitriding treatment
Bimetallic welding
Centrifugal casting
Electroplated Hard-chrome Finish
Nitride depth 0.7mm
Surface hardness HV950 - HV1,020
Fragility of nitrition less than grade 1
Screw straight tolerance 0.015 mm/m
Surface roughness Ra 0.4μm
Linearity of the screw 0.015mm
Depth of double alloys > 2ram
Bimetallic layer depth 3mm ProcessLaser Coating Tungsten Carbide
PTA Melt-Welding Alloy
Centrifugal Mould Bimetallic Alloy
Advanced nitrogen oozes handicraft
Vacuum Quenching
Titanizing
Nickel Plating
Chorme Plating
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