Apparatus for joining two workpiece parts having regions with different characteristics by means of through-transmission welding
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United States of America Patent
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Apr 26, 2016
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app pub date -
Oct 21, 2013
filing date -
Oct 24, 2012
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Abstract
An apparatus for connecting two workpiece parts to form a workpiece by through-transmission welding by means of weld seams running in a preselected weld seam pattern in regions of the workpiece parts having different characteristics is provided. The apparatus has a laser beam source with a plurality of individually controllable laser beam emitters of different power which are arranged adjacently in an X direction and a homogenizer arranged downstream. At least two reflection channels are provided in the homogenizer which run parallel to one another in a Y direction and completely penetrate the homogenizer in a Z direction by a channel depth.
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