screw barrel of the injection molding machine Factory

screw barrel of the injection molding machine

screw barrel of the injection molding machine

Specification parameters:
Screw diameter:Φ16-Φ300
the whole set contains: screw, screw head, check ring, gasket, cylinder, precursor and nozzle.
The screws can be specially designed according to different products and recipes.

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screw barrel of 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

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