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Proceedings Paper

The story of laser brazing technology
Author(s): Peter Hoffmann; Roland Dierken
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Paper Abstract

This article gives an overview on the development of laser brazing technology as a new joining technique for car body production. The story starts with fundamental research work at German institutes in 1993, continues with the first implementations in automobile production in 1998, gives examples of applications since then and ends with an outlook. Laser brazing adapted design of joints and boundary conditions for a safe processing are discussed. Besides a better understanding for the sensitivity of the process against joint irregularities and misalignment, the key to successful launch was an advanced system technology. Different working heads equipped with wire feeding device, seam tracking system or tactile sensors for an automated teaching are presented in this paper. Novel laser heads providing a two beam technology will allow improved penetration depth of the filler wire and a more ecological processing by means of energy consumption.

Paper Details

Date Published: 30 January 2012
PDF: 10 pages
Proc. SPIE 8239, High Power Laser Materials Processing: Lasers, Beam Delivery, Diagnostics, and Applications, 823903 (30 January 2012); doi: 10.1117/12.912940
Show Author Affiliations
Peter Hoffmann, ERLAS Erlanger Lasertechnik GmbH (Germany)
Roland Dierken, ERLAS Erlanger Lasertechnik GmbH (Germany)


Published in SPIE Proceedings Vol. 8239:
High Power Laser Materials Processing: Lasers, Beam Delivery, Diagnostics, and Applications
Eckhard Beyer; Timothy Morris, Editor(s)

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