Author： Blomquist Paul A. Orozco Nelson Patch David
Publisher： Society of Naval Architects and Marine Engineers (SNAME)
ISSN： 1542-0469
Source： Journal of Ship Production, Vol.20, Iss.2, 2004-05, pp. : 114-121
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Abstract
Increasingly, fabricated structural shapes are replacing hot-rolled shapes in new vessel construction. Designed for high structural efficiency, these custom shapes can be made from materials not available in hot-rolled form. Although most production is carried out at present using conventional welding and cutting processes, high-power industrial laser processes are being developed. A recent project, titled Laser Fabricated Shapes for Naval Applications, has started the task of developing a laser-based comprehensive system for the cutting and welding of structural shapes, as well as qualifying the laser welding process and the product of the process. It is expected that the use of laser cutting and welding will allow dramatic improvements in accuracy, quality, and productivity. While the greatest application will be in the new construction arena, custom-fabricated shapes can have beneficial impact on overhaul and ship alteration projects. Aspects of system integration, product design, production, inspection, and cost issues are explored.
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