Helicopter rotor blades are highly sophisticated products composed of a variety of materials and components. They are safety relevant components and therefore, 100 % quality control has to be assured. The French helicopter producer, Eurocopter S.A.; Paris, has installed a system for automated inspection of rotor blades on structural defects. In this system, laser shearography is used as an inspection technique. The rotor blades are positioned in a vacuum chamber and loaded with a relative pressure difference. Bonding and structural defects show up as tiny deformations of the surface and are recorded with two shearography cameras, positioned on both sides of the rotor blade. As this helicopter blade inspection system is the first fully automated production control system in european aerospace industry based on laser shearography, this application is an important step in bringing shearography techniques into production control. The complete inspection system is presented here.


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    Titel :

    Automated inspection of helicopter rotor blades using shearography


    Weitere Titelangaben:

    Automtische Prüfung von Hubschrauber-Rotorblättern mit Hilfe der Scherographie


    Beteiligte:
    Honlet, M. (Autor:in) / Ettemeyer, A. (Autor:in) / Bouju, C. (Autor:in)


    Erscheinungsdatum :

    1998


    Format / Umfang :

    6 Seiten, 7 Bilder



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Automatic shearography inspection system for helicopter rotor blades

    Walz, Thomas / Ettemeyer, Andreas | SPIE | 1998


    Automatic shearography inspection system for helicopter rotor blades [3397-28]

    Walz, T. / Ettemeyer, A. / SPIE | British Library Conference Proceedings | 1998


    Advanced inspection of helicopter structures using shearography

    Krupka, R. / Walz, T. / Ettemeyer, A. | Tema Archiv | 2004


    Helicopter rotor-blades

    Engineering Index Backfile | 1955


    Stabilizing helicopter rotor blades using delayed feedback

    Krodkiewski, J. M. / Faragher, J. S. | British Library Conference Proceedings | 2000