Goebel IMS & Achenbach Buschütteen Offer Foil Slitter

DARMSTADT, GERMANY | Goebel IMS and Achenbach Buschütteen report the introduction of NovaSlit S next-generation aluminum foil slitter. Goebel is a supplier of slitter/rewinders and embossing machines for international aluminum converters and rolling mills. Achenbach Buschütt is a global operating system supplier of integrative tailor-made non-ferrous rolling mill machinery as well as foil slitting machinery for the non-ferrous metal and finishing industry. Goebel products are distributed in North America by Matik.

In a joint effort, experts and engineers from both companies developed this aluminum foil slitter. The specialty of the NovaSlit S is winding and slitting both hard-rolled and soft-annealed aluminum foils. The unit is said to cut foil thicknesses from 6–50 micrometer precisely into slitting widths starting from 1 in. (25 mm). The finished roll diameter ranges to 31.50 in. (800 mm) in slitting operation and maximum 39.37 in. (1,000 mm) for re-rolling operation on the bottom rewinder.

Companies say the compact machine concept offers short material distances for perfect foil guiding between individual rollers even with thin, soft annealed foil. A moveable, large-sized inlet roller offers a high wrap angle and ensures constancy of free material distances and wrinkle-free material feeding even with the ultra-thin and extremely delicate aluminum foil.

Different slitting systems such as slitting with razor blade tip or flat blade are said to guarantee maximum precision. Horizontally adjustable contact rollers provide constant winding proportions and a consistent contact pressure with increasing roll diameters, reportedly resulting in perfect winding density of the finished rolls. A welding unit with horizontal moving welding rollers maintains 100% of the original belt tension and comfortable handling during welding. To increase productivity, the unit can be equipped with different handling systems and can be adapted to the exiting internal logistics system.

Due to an operator-friendly design and easy and safe machine access, convenient monitoring of the production process and simultaneous precise adjustments are possible, companies report.

The aluminum foil can be finished in small lots after the annealing process, allowing short delivery times and high flexibility. In addition, any remaining stock and coiled material remnants on rolls can be processed. The NovaSlit S can be used for foil inspection to detect flatness or other defects. If necessary, the defective parts can be smoothly cut out with the installed cutting equipment. In accordance to the separator engineering concept, the ultrasonic welding device is an integrated part of the NovaSlit S, allowing the welding of hard rolled foil and soft annealed foil.

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