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Proceedings Paper

Three-module sensor for CO2 laser welding and cutting processes
Author(s): Patrizia Sforza; Dario de Blasiis; V. Lombardo; Vincenzo Santacesaria; M. Dell'Erba
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Paper Abstract

Laser welding and cutting processes have a large fall out in industrial manufacturing and high and medium power CO2 lasers have been successfully introduced in production lines. The present research has been concentrated on the development of a non-intrusive sensor for the monitoring of the quality of the laser machined steel pieces. The sensor consists of three electro-optic modules able to detect infrared, visible, and ultraviolet radiation coming from the interaction zone. During the welding process the three signals have been simultaneously stored. The statistical analysis of these signals have been correlated with the results of the radiographic tests. During the cutting process only the infrared radiation have been detected for the process monitoring.

Paper Details

Date Published: 18 August 1997
PDF: 11 pages
Proc. SPIE 3097, Lasers in Material Processing, (18 August 1997); doi: 10.1117/12.281068
Show Author Affiliations
Patrizia Sforza, Centro Laser Societa Consortile a.r.l. (Italy)
Dario de Blasiis, Centro Laser Societa Consortile a.r.l. (Italy)
V. Lombardo, Centro Laser Societa Consortile a.r.l. (Italy)
Vincenzo Santacesaria, IROE/CNR (Italy)
M. Dell'Erba, Tecnopolis CSATA Novus Ortus (Italy)


Published in SPIE Proceedings Vol. 3097:
Lasers in Material Processing
Leo H. J. F. Beckmann, Editor(s)

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