Product Code: ICAL07_605
Robot Application for Laser-GMA Hybrid Welding in Shipbuilding
Simon Olschok, ISF Welding and Joining Institute, RWTH Aachen University; Aachen Germany
Uwe Reisgen, ISF - Welding and Joining Institute, RWTH Aachen University; Aachen Germany
Ulrich Dilthey, ISF Welding and Joining Institute, RWTH Aachen University; Aachen Germany
Presented at ICALEO 2007
Laser hybrid welding stands for a process where laser beam and arc are acting in one common process zone. For five years now, this method has been successfully employed for V-type welds and fillet welds by the Meyerwerft -Shipyard. A new research project deals with the problems of vertical down welds and corner welds. Through the application of a high-power fibre laser which allows to guide the laser beam via a light cable to the working point, the problem out-of-position hybrid welding using a robot will be solved.
A further highlight of this project is the development of an in-process sensor system which is based on the principles of the arc sensor. Since March 2007, the laboratory tests are, on-site, carried out on the panels. The research project comprises the production of welds, quality assurance and acceptance by suitable classification methods.
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