A cable extrusion screw barrel must provide stable melting and consistent material flow to produce uniform insulation or jacketing around wires and cables.

For PVC, PE and other cable compounds, the screw design should match the material, output and extrusion speed. Correct L/D ratio, compression ratio and mixing design help achieve uniform plasticizing, stable pressure and smooth cable surfaces.

A worn cable extrusion screw barrel may cause unstable output, poor plasticizing, pressure fluctuation or uneven coating thickness.

When ordering a replacement, please provide the screw diameter, L/D, material, RPM, output and machine drawing.

Zhoushan Juyuan manufactures customized screw barrels for cable extrusion machines.

Need a replacement screw barrel? Contact us for a quotation.

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