Norwalk, Conn.-based extruder maker Harrel Inc. said its GT-610 brings automated control to a coextrusion line.
Control of both extruders is in a single panel, mounted on the movable arm in front of the system, so it is convenient for the operator during the extrusion process. The GT-610 controls the extruder's parameters, but also directly controls the process, including outside diameter, inner diameter, the length, melt temperature and pressure of the final product.
According to Harrel, on a standard coextrusion line, each extruder is run by a controller mounted to that extruder, so the operator has to move from one extruder to the other, and down near the die, to where the extrusion action takes place.
The GT-610 uses Harrel's Tubetrol system.
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