gas vented screw and barrel for extruding machine

Size: screw diameter:Φ20-Φ500mm

          Maximum screw length:10000mm

         Barrel inner bore diameter:Φ500mm

Technology:  nitriding treatment,

                   alloy coating spraying,

                   heating treatment,

                   screw fully hardening,

Depth of nitrition layer: 0.5-0.8mm

Nitriding treatment, surface hardness: HV≥900-1000

Fragility of nitrition: less than grade 1

Surface roughness: Ra 0.4um

Streightness of screw: 0.015mm

Surface of hardness of nitrated Cr coating layer: ≥950HV

Hardness of Cr coating layer: HRC55-62

Thickness of alloy plating: 0.03-0.08mm

Depth of alloy layer:2mm

Used for granulation,PP, PE, PA, PC, ABS,AS etc

The production of screw barrel type:

1.  injection screw barrel, injection Molding screw barrel,screw tips/screw nozzle,

2.  single screw barrel

3.  Twin screw barrel

4.  Twin Conical screw and barrel(Co-rotating,Counter)

5.  Twin Parallel screw and barrel Co-rotating,Counter)

6.  High wear Resistant screw and barrel

7.  Screw barrel Assembly parts

8.  Bimetallic Screw Barrel

9.  Rubber screw barrel

10.Pin screw barrel

11.Force feed screw barrel

12.Blocks screw

13.Gear box

14.screw barrel for blowing molding machine

  Our advantages:

  screw and barrel for various models

- We can produce diameter 15mm to 300mm screw and barrel

- professional ebgineer design for you

- thousands of drafts can supply for you

- Professional Tech. and R&D team

- Insist on developing screw and barrel for more injection and extruder machine models

- Main market: South America,Eastern Europe,Mid East/Africa

 if you have any questions, please feel free to contact me

my skype:victoria890712