Method and device for the robot-controlled cutting of workpieces to be assembled by means of laser radiation
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United States of America Patent
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Jul 24, 2007
Grant Date -
Oct 27, 2005
app pub date -
May 16, 2002
filing date -
Jun 1, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a method for robot-controlled cutting of workpieces to be joined by laser radiation, a first workpiece is arranged in vicinity of a second workpiece in a first position. A laser is focused onto the first workpiece. A contour of the first workpiece is cut with the laser beam; this contour is to be assembled and joined with the second workpiece. During cutting, a first spacing of a focal point of the laser beam from the second workpiece is repeatedly determined in a distance direction that is identically oriented during cutting and is adjusted to a direction of assembling the first and second workpieces. During cutting, a second spacing of a processing point of the laser beam from the second workpiece is maintained at a constant value.
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