Journal of Ocean Engineering and Technology (한국해양공학회지)

Korean Society of Ocean Engineers (한국해양공학회)
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Fabrication Assessment Method for Dimensional Quality Management of Curved Plates in Shipbuilding and Offshore Structures

선박 및 해양 구조물 곡부재 치수 품질 관리를 위한 가공완성도 평가

  • Kwon, Ki-Youn (School of Industrial Engineering, Kumoh National Institute of Technology) ;
  • Lee, Jaeyong (Department of Naval Architecture and Ocean Engineering, Dong-eui University)
  • 권기연 (금오공과대학교 산업공학부) ;
  • 이재용 (동의대학교 조선해양공학과)
  • Received : 2018.01.22
  • Accepted : 2018.04.12
  • Published : 2018.04.30
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Abstract

The forward and afterward parts of ships and offshore structures are designed to improve the fuel consumption performance. These are made of curved plates with a large thickness. If a fabricated curved plate has some dimensional errors, a lot of additional cost is incurred in the assembly process. Thus, an accurate dimensional assessment is very important for fabrication. In this paper, we propose an assessment method for the dimensional quality management of curved plates. This can be applied to data measured using a variety of three-dimensional instruments, with boundary measurement points automatically classified and sorted to create a measurement surface. The assessment is evaluated after matching the CAD surface and the measured surface considering constrained conditions. The fabrication assessment is evaluated as a probability of how much the tolerance is satisfied.

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References

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