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"In-process" Detection of Defects during Welding for Large Scale Production

A method that can detect non-destructively and in real-time the emergence of welding defects

Robotic and automatic welding and specifically for large scale productions.

OVERVIEW enable in-process real-time detection defects welding monitor combination accessible parameters analysing ascertain presence locations nature Potential solutions industrial production lines add-on equipment robots stations retrofit kit machinery versatile ability minimum BACKGROUND requirements driven two main causes increasing constraints quality tolerances pressure costs second metal alloys composites better control sources remained difficult off-line often destructive Welding derive porosities material irregular filling rate advance wire flux amount concentration heat lack fusion positioning electrode interactions factors mean occurred occurance false positives biggest problems CONSTRAINTS 10 seconds applicable arc need laser overall compatible Ideally every (zero negative) keep erroneous (false positives) Identifying sufficient identifying benefit enabling corrective ideal integrated self-contained part components located remotely SOLUTION AREAS approach independent attempted previously limited current voltage spectral surface ripples puddle patterns gas so-far-unused combine investigated accurate intelligent algorithms varied input data compared normal thresholds

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