screw barrel for the injection molding machine
Specification parameters:
Screw Barrel For injection molding machine
diameter：Φ16-Φ300
the whole set contains: screw, screw head, check ring, gasket, cylinder, precursor and nozzle.
The Screw Barrel For injection molding machine can be specially designed according to different products and recipes.
screw barrel for the injection molding machine Details
Base material:
1)38CrMoAlA(JIS SACM645)
Material composition analysis:
C: 0.35～0.42 Si: 0.20～0.45 Mn: 0.30～0.60 S: ≤0.035 P: ≤0.035 Cr:1.35～1.65 Al: 0.70～1.10 Ni: ≤0.030 Cu: ≤0.030 Mo:0.15～0.25
2）42CrMo
3）SKD61
Treatment process:
Tempering, qualitative treatment
Nitriding process
Spraying alloy
Technical parameters:
Tempering hardness: HB260-290
Nitriding depth: 0.50mm-0.80mm
Nitriding hardness: 900-1000HV
Nitriding brittleness: <= level 1
Surface roughness: Ra 0.32
Screw straightness: 0.015mm
Alloy layer thickness: 2-3mm
Alloy layer hardness: HRC58-65
