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Production Engineering and Production Economics, Ulm University of Applied Sciences , Ulm , Germany
Production Engineering and Production Economics, Ulm University of Applied Sciences , Ulm , Germany
Technical University of Cluj-Napoca, North University Centre of Baia Mare , Baia Mare , Romania
Technical University of Cluj-Napoca, North University Centre of Baia Mare , Baia Mare , Romania
The manufacturing of PEMFC stacks (POLYMER ELEKTROLYT MEMBRAN Fuel Cell) is nowadays still done by hand. Over hundreds of identical single components have to be placed accurate together for the construction of a fuel cell stack. Beside logistic problems, higher total costs and disadvantages in weight the high number of components produce a higher statistic interference because of faulty erection or material defects and summation of manufacturing tolerances. The saving of costs is about 20 – 25 %. Furthermore, the total weight of the fuel cells will be reduced because of a new sealing technology. Overall a one minute cycle time has to be aimed per cell at the manufacturing of these single components. The change of the existing sealing concept to a bonded sealing is one of the important requisites to get an automated manufacturing of single cell units. One of the important steps for an automated gluing process is the checking of the glue application by using of an image processing system. After bonding the single fuel cell the sealing and electrical function can be checked, so that only functional and high qualitative cells can get into further manufacturing processes.
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