Procedimento per il controllo della qualit\ue0 di processi di saldatura laser (Procedure for laser welding process quality control)

Procedimento per il controllo della qualit\ue0 di processi di saldatura lase

A system and method for monitoring laser welds and giving an indication of the quality of welding

The present application describes herein a system (Fig 1) and a method (Fig 2) for monitoring laser welds (6), by using sensor means (8) and processing means (9) which are extracting characteristics of the signal coming from sensor means (8) and classifying them to give an indication of the quality of welds, enabling on-line and real-time detection, during execution of the welding process, of possible welding defects, such as: insufficient depth of penetration; misalignments of the coupling during assembly of the pieces to be welded; presence of porosities; reductions in the level of power of the laser source; or drops in power of the laser source

A real time quality monitoring system for laser welding

The patent refers to a new system for quality analysis of laser welding which is reference free

Composite techniques for quality analysis in automotive laser welding

Real-time monitoring of the laser-based applications is becoming a main issue for quality analysis in the steel manufacturing industry. The paper suggests a solution achieving an automated real-time quality inspection in laser welding applications. A composite system composed of soft-computing and traditional techniques has been considered for its positive impact on the reduced computational once compared with more traditional approaches