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Co-extrusion die generates efficiencies in producing advanced profiles and seals.

The Series 220 is specially engineered as co-extrusion tooling for producing advanced profiles and seals in combinations of materials, including rubber and other thermosets, as well as various types of thermoplastic used for appliance, aerospace, automotive, construction and marine products.

The Series 220 tooling can extrude product sizes of 1/2" (1.27 cm) to 2-1/2" (6.34 cm). A money saving technical advantage is said to be that it offers simultaneous directed material flow for a single product or multiple families of products that have the same, identical material requirements, yet must be extruded in different end use sizes.

A unique design configuration allows the extruded material to pass through the Series 220 tooling and prevents compound degradation, as well as stagnation in the die, according to the company. The material flow can be directed to various areas of the substrate in order to create a more precise end-product. All flow passages are specially designed using 3D/CAD and proprietary flow analysis software, according to the manufacturer.

The Series 220 is said to incorporate engineering advances such as a precision shut-off valve that regulates the flow of the compound on-the-fly for the extruded seal, trim or profile that is produced. With the co-extrusion capability, the design is said to eliminate downtime that would normally be required to change dies, in addition to saving space on the factory floor because fewer tools are required.

Guill Tool & Engineering

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Title Annotation:Equipment
Publication:Rubber World
Date:Jun 22, 2005
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