Parrallel Twin Scew Extrusion Line for uPVC Pipe

SJP-90 Parallel Twin-Screw Extruder

Model：                       SJP-90

Diameter of screw：                   ￠90mm

Hardness of screw:                    HV＞740　

Hardness of barrel:                    HV＞940

Materials of screw & barrel：         38CrMoAIA with nitriding　　                   　

Thick of nitriding：         0.4-0.7mm

Quantity of screw：                   2pcs

L/D ratio of screw:                   28∶1

Rotation of screw：                   Opposite and Outward

Motor：                   75kw

Heating on barrel：              6 zones, cast aluminum

Heating power：               49kw

Cooling zones：                   6 zones, air cooling.

Twin screw metering feeding system：        1.5kw

Speed reducer box &  distribution box   

Type：             Vertical

Cooling：         External circulation cooling system

Thrust bearing：     Importing;High torque output.

Materials of gear：         20CrMnTi, Nitriding hard teeth, with grinding gear.

Specially designed reducer box with low noise, low fever, and longer life-time.

About Gearbox, 

Brand:DuoLing

Diameter of screw:93mm

Output:46 RPM.

Center distance:77mm