Preprints of the National Meeting of JWS
Preprints of the National Meeting of JWS
Session ID : 207
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Host: Japan Welding Society

Gas shield arc welding qualification by digital signal analysis
*Hiroyuki OTSUKA, Hidenori TERASAKI, Yu-ichi KOMIZO
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Keywords: digital signal analysis, arc voltage, welding current, in-process-monitoring, gas shield arc welding
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Abstract
Weld qualification by digital signal analysis was established. This method analyzes arc voltage and weld current waveform measured at high sampling rate and evaluates weld quality during welding. This in-process-monitoring approach was applied to gas shield arc welding and clarified utility for poor weld detection.
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© 2010 by Japan Welding Society
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