conical twin screw barrel

conical twin screw and double hole cylinder: F 35/70- F 92/178

The above are standard specifications, we can customize according to customers' requirements.

The compression raio of screws can be desighed according to different products and ingredients.



Appliance

PVC, PP, PE, PA, PC, ABS, AS etc



SCREW

1) Nitride Depth: 0.55-0.7mm

2) Nitride Hardness: 850-960HV

3) Surface Roughness: Ra=0.8um

4) Screw Straightness: 0.015mm

5) Bimetallic Hardness: HRC50-62

6) Bimetallic Depth: 1.5-2.0mm

BARREL

1) Nitride Depth: 0.55-0.7mm

2) Nitride Hardness: 960-1020HV

3) Surface Roughness: Ra=1.6um

4) Bimetallic Hardness: HRC50-65

5) Bimetallic Depth: 1.5-2.0mm


conical twin screw barrel