Welding teaching point correction system and calibration method
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United States of America Patent
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Issued Date -
Apr 5, 2007
app pub date -
Sep 29, 2006
filing date -
Sep 30, 2005
priority date (Note) -
Abandoned
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Abstract
Disclosed is a welding teaching point correction system, including: a robot; a spot welding gun comprising two welding tips provided to be opposed to each other; an imaging apparatus to image a welding point of a workpiece, the imaging apparatus being provided detachably to or exchangeably with at least one of the two welding tips; an operation control unit to control the robot and the spot welding gun in accordance with an teaching program to teach welding operation to the robot and the spot welding gun; an image processing unit to acquire positional information of the welding point of the workpiece in the image; and a program correction unit to correct an teaching point for the robot in the teaching program in a plurality of directions based on the positional information of the welding point of the workpiece in the image acquired by the image processing unit.
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