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Simultaneous - any contour

More complex contours than lines or rings can also be welded simultaneously. However, this requires the design of a specific optical element that exactly creates the welding contour. The design for a single contour is relatively complex and accordingly expensive, so that it usually only pays off if a large number of components have to be welded and best on multiple machines.

DOE EN

The Diffractive Optical Element (DOE) deflects many partial beams from the original laser beam. A microscopic step pattern is introduced into a glass plate to diffract the light rays accordingly.
For a point symmetrical contour, one depth of the step pattern is sufficient. For other contours multiple levels of the steps pattern need to be etched into the glass substrate, which makes the design and manufacturing process more expensive.

 

Optics DOE simultaneous

Process control