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Potentials of image processing for quality assurance in laser welding processes

Presentation held at the Workshop "Advanced Sensor Technologies for Life Sciences and Safety", Waldheim, 27-28 April, 2006
Potenziale der Bildverarbeitung für die Qualitätsüberwachung in Laserschweißprozessen
: Kuhl, M.; Schubert, A.

Fulltext urn:nbn:de:0011-n-428583 (1.5 MByte PDF)
MD5 Fingerprint: 53e6ad1209a705d31f70f48d4146c952
Created on: 18.05.2006

2006, 16 pp.
Workshop "Advanced Sensor Technologies for Life Sciences and Safety" <2006, Waldheim>
Presentation, Electronic Publication
Fraunhofer IWU ()
laser welding monitoring; image processing; Multisensorsystem

Laser welding is a future oriented joining technique in various industrial technologies, for instance in the field of car body making as a main application in the automotive industry. It offers a lot of benefits compared with other joining techniques. On the other hand there are a couple of disadvantages which make it essential to monitor the welding process. Different systems where developed in the past, which can observe the welding process as kind of in-process-monitoring systems. For example, coaxial photodiode - systems for one-dimensional analysis of electromagnetic emissions or coaxial CMOS-camera systems for two dimensional imaging systems are available. A portable radiography system would be a very comfortable and helpful add-on for this kind of multisensor system. The lecture gives an overview of the potentialities of radiography image processing for quality assurance in laser welding processes.