Accessories injection nozzle tip for screw barrel

Injection nozzle tip for single injection screw barrel

Diameter

Φ15mm-Φ500mm

Designing

Screw structure and compression

ratio can be designed according 

to different products  & different clamping force requirement.

Materials

38CrMoAlA 

(JIS SACM645)

SKD61

 Application

All kinds plastic & rubber and All kinds of glass fiber,

 the PPA ,PPS ,PA6T ,LCP, electric wood powder, 

magnetic powder ,iron powder and other special

 engineering plastics  

Nitride Case Depth

0.5mm-0.8mm

Technology

1)Longer time Gas Nitriding treatment 

2)special anti-wear & abrasion alloy (bimetallic)

3)tungsten carbide

4)cobalt base alloy

5)stainless steel 

6)Gh113 nickel based alloy  

Nitride Hardness

950-1020HV

Packing

Wrapped up by film in wooden

Nitride Brittleness

≤Grade One

Payment Term

T/T , L/C 

Surface Roughness

Ra0.4um

Screw Straightness

0.015mm

Common Nitrided:2.5-4years

Bimetallic: much longer lifetime.

Alloy Hardness

HRC58-62

Alloy Depth

0.5mm-0.8mm

38crmoala injection screw barrel

Production scope:

Screw diameter 

Φ15~Φ500

Maximum screw length

10,000mm

Barrel inner bore diameter

Φ500mm

Mould Clamping Force

100KN-35000KN

Shot Weight

30-30000g

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.

Technical Parameter:

Nitride Case Depth

0.6mm-0.9mm

Nitride Hardness

960-1150HV

Nitride Brittleness

≤Grade One

Surface Roughness

Ra0.4um

Screw Straightness

0.015mm

Duplex Alloy Depth

1.5mm-3.5mm

Duplex Alloy Hardness

HRC60-75

Chromium Coating Thickness 

0.025~0.10mm