METHOD AND APPARATUS FOR CONVERTING A MIG WELDER INTO A CARBON-ARC CUTTER
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United States of America Patent
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N/A
Issued Date -
May 2, 2013
app pub date -
Oct 19, 2012
filing date -
May 7, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Apparatus and methods convert a MIG welder into an effective cutting machine. A plug adaptor is installed into the existing MIG welder gun cup nozzle, which has an inside diameter and a length. A contact tip within the cup has an outside diameter, and shielding gas ports in the cup typically surround the contact tip. The plug adaptor comprises a body having a width dimension corresponding to the inside diameter of the cup, a length corresponding to the length of the cup, and a central bore corresponding to the outer diameter of the contact tip. A channel is established between the width dimension of the body and the inside diameter of the cup enabling air to flow from the shielding gas ports to a workpiece for slag removal produced during the cutting operation. The MIG gun is not modified in any way except for the addition of the removable adaptor.
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