Extrusion die head applies two layers of PVC in a single operation

1986
  • Die head designed for tray cable
  • Low-volume adjustable center co-extrusion crosshead for PVC over PVC
  • Considerably shorter changeover time

The company Guill Tool introduces Series 725, a co-extrusion crosshead design for tray cable applications. With all stainless steel construction, Series 725 offers several advantages, including the patented Guill Seal Right system of self-aligning tapered deflector and body design.

Guill Tool Series 725

Guill Series 725 shown here on portable crosshead stand with integral alignment swing gates to assist with disassembly and restart (source: Guill Tool)

Single head applies two layers of PVC in a single operation

Series 725 was developed by Guill engineering, in partnership with a customer, to convert a production line from a Tandem line with two heads a distance apart into a co-extrusion line with a single head applying both layers of PVC in a single operation. The efficiency and improved profit potential from such a configuration is substantial, according to Guill sources.

Considerably shorter changeover time

The new co-extrusion crosshead features a considerably shorter changeover time (one head is better than two, in this case), less scrap with a single head setup, improved product quality from the increased adhesion between layers, as melt adheres to melt rather than extrudate, plus the inner layer is not exposed to the environment, allowing contaminates between the layers.

Crosshead with multi-port spiral flow

Additional features of this new crosshead include multi-port spiral flow, easy disassembly and restart, positive seals for leak elimination, adaptable to all extruder brands, max. thru-core of 1.750” and max. die ID of 2.000”, first layer fixed and second adjustable, the patented Guill Feather Touch concentricity adjustment, vacuum port and the ability to work with two extruders from the same side via the heated manifold assembly.

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