A pressure‐assisted approach for laser‐beam weld‐bonding Al alloy structure for automobiles

Robert W. Messler Jr (Rensselaer Polytechnic Institute, Troy, New York, USA)
Scot Bohnenstiehl (Montana Technical University, USA)
John Levene (Rensselaer Polytechnic Institute, Troy, New York, USA)
Erika Johnson (Rensselaer Polytechnic Institute, Troy, New York, USA)
Luo Chen (University of Rochester, Rochester, USA)

Assembly Automation

ISSN: 0144-5154

Publication date: 1 December 2004

Abstract

Being inherently a non‐pressure fusion process, laser‐beam welding (LBW) has been shown to have difficulty compared to resistance spot welding for weld‐bonding Al alloy structures, despite the many structural and manufacturing productivity advantages. Study of laser‐beam weld‐bonding of Al‐alloy structure for automobile assembly has led to a technique that appears to have both technical feasibility and production utility. The use of LBW through a hole in a pressure‐applying probe has proven to allow the production of contamination‐free spot welds through pre‐applied pre‐cured structural adhesive. The general approach, along with some details to still be overcome, is presented for both information and solution.

Keywords

Citation

Messler, R., Bohnenstiehl, S., Levene, J., Johnson, E. and Chen, L. (2004), "A pressure‐assisted approach for laser‐beam weld‐bonding Al alloy structure for automobiles", Assembly Automation, Vol. 24 No. 4, pp. 370-378. https://doi.org/10.1108/01445150410562570

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Publisher

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Emerald Group Publishing Limited

Copyright © 2004, Emerald Group Publishing Limited

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