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Real-time closed-loop control by high-speed image processing optimises laser welding

Echtzeit-Regelung mittels schneller Bildverarbeitung optimiert das Laserschweißen
: Blug, Andreas; Abt, Felix; Nicolosi, Leonardo

Fulltext urn:nbn:de:0011-n-2670094 (618 KByte PDF)
MD5 Fingerprint: ec1f1289c7dbf05aa26f1c264c40ab3a
Created on: 26.11.2013

Photonik international (2013), pp.32-34
ISSN: 1432-9778
ISSN: 1865-6633
Journal Article, Electronic Publication
Fraunhofer IPM ()
laser welding; process control; image processing; quality control

It is hard to imagine modern manufacturing without laser welding processes. These allow fast and flexible welding in vehicle body construction at points that cannot be easily accessed. Nevertheless, for the sake of quality assurance, the problem of real-time process control for optimised manufacturing methods has not been satisfactorily solved until now. Here, we describe how a novel camera technology allows the compensation of inevitable process fluctuations, thus ensuring the quality of the weld seam.