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Use of the plasma RMS signal for on-line welding quality monitoring

Abstract: In this paper a new spectroscopic monitoring parameter is proposed for the on-line monitoring of welding processes, the plasma RMS signal, which is determined by considering the contribution from the spectral samples over a particular spectral window. This parameter is directly related to the heat input that can be estimated by measuring both welding voltage and current, but it exhibits a higher sensitivity to the appearance of weld defects. A comparison between the results obtained from the different spectroscopic parameters will be presented, with data from both experimental and field arc-welding tests.

Other conference communications or articles related to authors from the University of Cantabria

 Authorship: Mirapeix J., Cobo A., García-Allende P., Conde O., Lopez-Higuera J.,

 Congress: Optical Sensing and Detection (2010 : Bruselas)

 Publisher: SPIE Society of Photo-Optical Instrumentation Engineers

 Publication date: 13/05/2010

 No. of pages: 8

 Publication type: Conference object

 DOI: 10.1117/12.854684

 ISSN: 0277-786X,1996-756X

 Spanish project: TEC2007-67987-C02-01

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