An Alternative Approach for the Cost-efficient Laser Welding of Zinc-coated Sheet Metal

Laser welding becomes more and more important for body in white assembly in automotive industry. But even if the modern technology offers a lot of new possibilities, laser welding of zinc-coated sheet metal is still a challenge – special effort is necessary to produce acceptable weld seams in the la...

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Bibliographic Details
Published in:	CIRP annals Vol. 56; no. 1; pp. 17 - 20
Main Authors:	Bley, H., Weyand, L., Luft, A.
Format:	Journal Article Conference Proceeding
Language:	English
Published:	Oxford Elsevier Ltd 2007 Elsevier
Subjects:	Applied sciences Exact sciences and technology Mechanical engineering. Machine design Nd:YAG laser Welding Zinc-coated sheet metal Nd:YAG laser Welding Zinc-coated sheet metal Costs Lap joint YAG laser Car body Zinc coating Body in White Experimental study Laser welding Metal coating Welded joint Sheet metal Automobile industry Longitudinal weld Assembly Neodymium lasers
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Summary:	Laser welding becomes more and more important for body in white assembly in automotive industry. But even if the modern technology offers a lot of new possibilities, laser welding of zinc-coated sheet metal is still a challenge – special effort is necessary to produce acceptable weld seams in the lap joint configuration. Already existing concepts oftentimes lead to enlarged process chains and additional costs. Therefore, this paper presents an alternative approach for laser welding of zinc-coated sheet metal with the objective to guarantee high quality laser welding and to save costs. Moreover, first results of welding experiments are shown.
ISSN:	0007-8506
DOI:	10.1016/j.cirp.2007.05.006