Legal requirements and responsibility for the environment require improved recyclability of car components. The European ELV (End-of-Life Vehicles) Directive requires that all new cars put onto the market beginning in 2005 must reach a recovery quota of 95 % and a corresponding recycling quota of 85 %. This also applies to all vehicles taken off of the market beginning in 2015. This can be achieved by a reduction in the variety of materials used, which can be separated after use. This is being demonstrated for wiring harnesses using a new hook and loop based fastening system. The typical material mix in a harness includes a lot of different plastic materials. As the separation of materials after use is difficult, only one material should be selected for all connectors, channels, guides and housings, 15 % glass-filled polyamide 6,6 (PA6.6-GF-15), being technically capable of all the performance requirements of the various applications. Another important design element concerning environmental aspects is the design for disassembly. Traditionally a wiring harness is fastened to the car body with plastic bolts, strips, guides, and other types of fasteners, which have to be destroyed for removal of the harness. Because a harness generally is covered by other car parts, removal of the harness at the end of the car life is extremely time consuming and costly. The alternative fastening system is a hook and loop based fastening system. The harness is covered with the loop type tape whereas the hook type tape determines the routing. The new concept was attached to the car body according to the routing of the harness. In that way the harness can be assembled quickly and easily and can be removed just by pulling at one end. Easier assembly and disassembly, elimination of fixation holes in the car body, and improved serviceability can lead to considerable cost reductions. Field experience on test cars will be available at a later date.


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    Title :

    Environmentally friendly car wiring system


    Additional title:

    Umweltfreundliche Leitungsführung im Kraftfahrzeug


    Contributors:
    Diegmann, W. (author) / Tiedeck, R. (author) / Adam, F.H. (author)


    Publication date :

    2002


    Size :

    3 Seiten, 4 Bilder




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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