Offering Screw and barrels for injection molding machines
Mould Clamping Force: 100KN-35000KN,

- Shot Weight: 30-30000g

- Diameter of Screw: ?20mm-?220mm

- Screw can be mated with different heads.

- Barrel can be mated with different nozzles.

- The compression ratio of the screw can be designed according to different products and mixtures.

* Materials:

- Alloy-steel of high quality

1)38 CrMoAlA(JIS SACM645)
2)42 CrMo(AISI 4140)
3)Cr12MoV(JIS SKD-11)
4)4Cr5MoSiV1(JIS SKD-61)

Technical data:

Nitrided Hardness: HV 900-1000
Nitrided Case Depth: 0.50mm-0.80mm

Nitrided Brittleness: Less Than Grade 2
Surface Roughness: Ra 0.4
Screw Straightness: 0.015mm
Surface Chromium-Plating's Hardness After Nitriding:≥900HB
Chromium-Plating Depth: 0.05~0.10mm
Alloy hardness: HRC50-65
Alloy depth: 0.8mm-2.0mm


Heat-treatment:


Nitriding treatment, Electroplated hard-chrome finish,High-frequency, spray coating Bimetallic-alloy