Optical sensor for detection of errors in Nd: YAG laser overlap welding of zinc-coated steel

D. P. Hand, C. Peters, M. D T Fox, J. D C Jones

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Laser overlap welding of zinc-coated steel is an attractive process for the automotive industry, but specific problems can occur where apparently good welds may be produced but with no join between the two sheets of material. This paper describes a simple and reliable technique for detecting these errors by analysing the light generated by the welding process, using an optical sensor which is non-intrusive to the process.

Original languageEnglish
Pages (from-to)793-798
Number of pages6
JournalProceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture
Volume214
Issue number9
DOIs
Publication statusPublished - 2000

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