Journal
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY
Volume 213, Issue 11, Pages 1885-1893Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jmatprotec.2013.04.017
Keywords
Ship-hull plate; Flame forming; Line heating; Geometrical parameter; Inverse problem
Funding
- Brain Korea 21 Project
- Daewoo Shipbuilding & Marine Engineering Co., Ltd.
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In shipbuilding, plate forming is one of the basic manufacturing processes before welding and assembly procedure. It has been practically carried out by line heating method by flame. Since the process depends upon skilled worker's experience, there could be lots of problems in product quality, productivity, working environment and so on. Hence, it is necessary to develop systematic methods for automatic plate forming. And it should provide users with information about where and how much to heat on the plate from the given geometric data. In this study, an inverse solution to three-dimensional flame forming was proposed. Geometric data such as bending angles and shrinkages were firstly achieved by simple geometrical approach. Then they were converted to forming parameters through the database map which represents the relationship between geometrical parameters and forming parameters. Lastly, experiments of the plate forming were performed for algorithm validation. The results of the formed shape were similar to the saddle shape desired. (C) 2013 Elsevier B.V. All rights reserved.
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