Shielded metal arc welding machine
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United States of America Patent
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May 6, 2014
Grant Date -
Dec 4, 2008
app pub date -
Aug 28, 2007
filing date -
May 29, 2007
priority date (Note) -
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Abstract
A shielded metal arc welding machine having a characteristic with a constant current output characteristic and a drooping output characteristic properly combined is provided. A shielded metal arc welding machine having a constant current output characteristic, characterized by having a desired drooping output characteristic, which has an optional drooping degree with a point at which a characteristic line of said constant current output characteristic intersects a welding load characteristic line L as a base point, and replaces said constant current output characteristic.
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