Method and system for determining the feedability of welding wire
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United States of America Patent
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Oct 26, 1999
Grant Date -
N/A
app pub date -
Aug 11, 1998
filing date -
Aug 11, 1998
priority date (Note) -
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Abstract
A method and system of determining the feedability of a continuous welding wire having a known diameter, said method and system comprising the steps of providing a supply of welding wire; pushing the wire by a wire feeder through a welding cable having a given long length and terminating in a welding gun with a tubular contact tip with a wire receiving passage generally matching the selected diameter of said welding wire, sensing the reactive force of the wire feeder as it pushes the wire through the cable and the tip; and causing a generally fixed current to flow between the contact tip and a workpiece whereby the advancing welding wire is melted and transferred to the workpiece in accordance with a given welding process.
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