A computer-aided planning method for laser scanning based on the CAD model has been developed. It integrates three planning criteria, visibility, accuracy, and efficiency and detects deep concave features that would be more suitable for CMM (Coordinate Measuring Machine) probing. Clustering, based on the view angle and depth of view, is used to plan an optimal scanner placement and motion path. Simulation studies on complex auto-parts demonstrate the effectiveness of the generated plans. The integration of the scanning plan with CMM controls was also demonstrated. The benefits of the CAD-based automated laser inspection planning have been demonstrated. The results showed the applicability of the developed system the non-contact line laser scanning and inspection of parts with free form surfaces and some concave features, such as dies and moulds. On-going work is exploring methods for hybrid tactile and laser scanning and inspection as well as investigating the automated planning of these tasks.


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    Title :

    Computer-aided planning of laser scanning of complex geometries


    Additional title:

    Rechnerunterstützte Planung des Laserabtastens von komplexen geometrischen Formen


    Contributors:
    ElMaraghy, H. (author) / Yang, X. (author)

    Published in:

    CIRP Annals ; 52 , 1


    Publication date :

    2003


    Size :

    4 Seiten, 6 Bilder, 15 Quellen





    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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