Decision method for dressing of welding electrodes
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United States of America Patent
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Issued Date -
Oct 2, 2008
app pub date -
Mar 28, 2007
filing date -
Mar 28, 2007
priority date (Note) -
Abandoned
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Abstract
A method is provided for determining that the electrodes of an electric resistance welder are in need of replacement and dressing includes monitoring the rate at which the depth of the weld indentation caused by the electrode changes during the progressive wearing of the electrodes during the making of successive welds. The electrodes are then dressed when it is determined that the rate of change of the depth of the weld indentation formed by the electrodes has substantially leveled off to a stable depth of indentation.
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