Robotic welding controlled by reliable, relatively-noise-free optoelectronic unit. Bounding off meniscus of pool of molten metal, laser beam impinges on position-sensitive photodetector. Beam diameter adjusted for width of weld. Optical filters screen out light from arc. Made from small, low-cost components and utilizing optical fibers to conduct signals, system immune to electromagnetic interference common in industrial environments. Aimed for automatic welders, robot welders in particular and also adaptable to other types of welding, including tungsten/inert-gas, laser, and electron-beam techniques.


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    Titel :

    Optical Monitoring of Weld Penetration


    Beteiligte:
    Maram, J. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1986-06-01



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


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    Checking weld penetration

    Macfarlane, D. I. | NTRS | 1979


    Control of weld penetration

    Nomura, H. / Yoshida, T. / Tohno, K. | Tema Archiv | 1976


    Periscope For Viewing Weld Penetration

    Gordon, Stephen S. / Marman, Jonathan M. | NTRS | 1988


    Acoustic-Emission Weld-Penetration Monitor

    Maram, J. / Collins, J. | NTRS | 1986