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Scanner welding – Highly productive processing with no downtime

Scanner welding today enables highly productive and flexible production line layouts, making welding in series production faster, more accurate, and thus more cost-effective than traditional welding processes.

Scannerschweißen mit Hilfe von CalibrationLine

In scanner welding, the beam guidance is done using mobile mirrors [1]. The beam is guided by changing the angles of the mirrors.[4] A processing field [3] determine which weld can be carried out with the highest dynamics and precision. The processing speed and size of the focus diameter at the workpiece depends on the imaging properties of the optic, the beam incidence angle, the laser beam quality and the material. Using the method of an additional lens system [2], the focus point can also be offset extremely dynamically in the Z direction, in order to process three-dimensional components completely, without moving either the processing head or the part.Due to the very fast translation movements, downtime is nearly eliminated, and the laser unit can produce during nearly 100% of the available fabrication time

Scannerschweißen einer Automobiltür mit der Programmierbaren Fokussieroptik PFO 33

During welding, the scanner optics can also be guided over a workpiece in conjunction with a robot. This "flying" movement is what inspired the term "welding on the fly": the robot and the scanner optic synchronize their movements in real time. The use of a robot increases the workspace significantly, permitting true three-dimensional part processing.To program a PFO, you can use a convenient editor which can construct and save welding figures on a workpiece.High-power disk lasers with high beam quality are used as beam sources. One or more flexible fiber-optic laser cables lead the laser light from the laser unit to the processing station.

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