Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
7131788 | Optics and Lasers in Engineering | 2018 | 12 Pages |
Abstract
In this paper a system for automatic visual monitoring of welding process, in dry stainless steel kegs for food storage, is proposed. In the considered manufacturing process the upper and lower skirts are welded to the vessel by means of Tungsten Inert Gas (TIG) welding. During the process several problems can arise: 1) residuals on the bottom 2) darker weld 3) excessive/poor penetration and 4) outgrowths. The proposed system deals with all the four aforementioned problems and its inspection performances have been evaluated by using a large set of kegs demonstrating both the reliability in terms of defect detection and the suitability to be introduced in the manufacturing system in terms of computational costs.
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Authors
Marco Leo, Marco Del Coco, Pierluigi Carcagnì, Paolo Spagnolo, Pier Luigi Mazzeo, Cosimo Distante, Raffaele Zecca,