Dressing quality determination method for resistance welding electrodes and device for the same

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United States of America Patent

PATENT NO 11666983
APP PUB NO 20210245292A1
SERIAL NO

17161457

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Abstract

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To accurately make a dressing quality determination based on resistance waveforms, a dressing quality determination method determines the quality of dressing performed for electrodes when resistance welding is performed at a plurality of welding points. This method includes accumulating a known resistance waveform immediately after dressing the electrodes, and a known resistance waveform immediately before dressing the electrodes; creating, by a statistical method, a model for setting a threshold value for dressing quality determination, based on a plurality of known resistance waveforms immediately after dressing and a plurality of known resistance waveforms immediately before dressing; acquiring an unknown resistance waveform immediately after dressing the electrodes; and determining whether dressing is normal or dressing is abnormal by comparing the unknown resistance waveform immediately after dressing with the threshold value for dressing quality determination.

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Patent Owner(s)

  • 501 MAZDA MOTOR CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Maeda, Yosuke Aki-gun, JP 12 42
Nakazaki, Daisuke Aki-gun, JP 3 1
Nawahara, Akira Aki-gun, JP 3 1

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