PREPARING AND PERFORMING OF A LASER WELDING PROCESS
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United States of America Patent
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Issued Date -
Jun 11, 2009
app pub date -
Nov 19, 2008
filing date -
Nov 20, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A first position of a joint site on a workpiece is detected with a sensor device. The first position is in a first measurement zone in front of a laser beam incident on the workpiece. The second position is in a second measurement zone at the position of the laser beam, and the third position is in a third measurement zone behind the position of the laser beam. One or more of a second position and a third position of the joint site is detected. The position of the laser beam incident on the workpiece is detected. The first, and one or more of the second and third positions are compared to the position of the laser beam, and, based on the comparison, one or more of a laser machining head configured to direct the laser beam onto the workpiece and the sensor device are adjusted relative to the workpiece.
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