PVC extruder screw design and cylinder/Conical twin screw barrel for extrusion line

1) Material:38CrMoAlA,42CrMo,34CrAlNi7,SKD61,SACM645

2) Diameter of Screw: 15-250mm
3) Shot Weight: 15-50000g
4) Mould Clamping Force: 250-32000KN

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.

2.Single screw and barrel for extruder machine

1) Material:38CrMoAlA,42CrMo,34CrAlNi7,SKD61,SACM645

2) Screw diameter: 15 mm -360 mm 

3) Screw length: 300 mm to 8000 mm screw length

4) Length to diameter ratio: L/D: 15-45

5) Type of screw: Common type, Gradual type,Sudden type,Barrier type, Pinned type,Exhaustive type,Separate type,Granulation type 

3. Parallel twin screw and barrel

1) Material:38CrMoAlA,42CrMo,34CrAlNi7,SKD61,SACM645

2) Screw diameter: 20mmX2-200mmX2

3) Length to diameter ratio: L/D = 18 - 25

4.Conical twin screw and barrel

1) Material:38CrMoAlA,42CrMo,34CrAlNi7,SKD61,SACM645

2) Screw diameter: 35/75mm-92/188mm

3) Screw according to different formulas and different products before choosing different compression ratio

5.Rubber screw and barrel

1) Pinned screw : 75mm diameter -200mm

2) Cold /hot screw: 30mm diameter-250mm

6.Bimetallic screw and barrel

1) Material:38CrMoAlA

2) Screw diameter: 15mm-250mm

3) Screw length:300mm-8000mm 

4) Barrel diameter:40mm-400mm 

5) Length to diameter ratio: L/D: 15-45

6) Centrifugal casting bimetallic barrel

Technical Parameter