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선체 곡판 완성도 평가용 3차원 곡형의 제작 자동화를 위한 생산 정보 산출 시스템

Manufacturing Information Calculation System for Production Automation of 3-dimensional Template Used to Evaluate Shell Plate Completeness

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참고문헌

키워드

주제분류조선공학

초록

3-D templates are produced to evaluate completeness of the shell plates during the forming process, which is an essential step for the ship production. They are mostly produced in advance during the detail/production design stage, but occasionally they are requested by the shell plate forming department, because it is impossible to predict accurately the necessities of them at the design stage. This results in a huge loss of man-hour and a bottleneck. In order to resolve this issue while reducing the dependence on other department, the process of manufacturing the 3-D templates needs to be automated. Therefore, this study proposes an automatic system that calculates the manufacturing information of the 3-D templates with only geometric information of the shell plates. The system considers the thickness and the cutting method of the parts of the 3-D templates and some options are provided to reflect the intention of the worker.

Abstract

3-D templates are produced to evaluate completeness of the shell plates during the forming process, which is an essential step for the ship production. They are mostly produced in advance during the detail/production design stage, but occasionally they are requested by the shell plate forming department, because it is impossible to predict accurately the necessities of them at the design stage. This results in a huge loss of man-hour and a bottleneck. In order to resolve this issue while reducing the dependence on other department, the process of manufacturing the 3-D templates needs to be automated. Therefore, this study proposes an automatic system that calculates the manufacturing information of the 3-D templates with only geometric information of the shell plates. The system considers the thickness and the cutting method of the parts of the 3-D templates and some options are provided to reflect the intention of the worker.

참고문헌 (13)

  1. Zhong-Yi Cai, "Continuous Sheet Metal Forming for Doubly Curved Surface Parts", International Journal of Precision Engineering and Manufacturing, 13(11), pp.1997~2003 (2012), 한국정밀공학회
  2. Jung, C.H., "A study on the manufacturing information generation system for 3-dimensional template to fabricate hull plates", Bulletin of the Society of Naval Architects of Korea, 53(4), pp.27~34 (2016)
  3. 정재민, "곡판 가공의 인라인 완성도 평가에 관한 연구(Ⅰ)", 한국해양공학회지, 23(1), pp.135~139 (2009), 한국해양공학회
  4. Luo, P.F., "Measurement of curved surface by stereo vision and error analysis", Optics and lasers in engineering, 30(6), pp.471~486 (1998)[DOI]
  5. Jungseo Park, "Automated thermal forming of curved plates in shipbuilding: system development and validation", International Journal of Computer Integrated Manufacturing, 29(10), pp.1128~1145 (2016), Informa UK Limited[DOI]
  6. Park, J.S., "Geometric assessment for fabrication of large hull pieces in shipbuilding", Journal of Computer-Aided Design, 39(10), pp.870~881 (2007)[DOI]
  7. Poon, C.Y., "Comparison of surface roughness measurements by stylus profiler, AFM and non-contact optical profiler", Wear, 190(1), pp.76~88 (1995)[DOI]
  8. Posdamer, J.L., "Surface measurement by space-encoded projected beam systems", Computer Graphics and Image Processing, 18(1), pp.1~17 (1982)[DOI]
  9. Shen, H.Q., "Development of calculation algorithm of forming information of threedimensional template for curved hull plates evaluation", Master's, pp.2016
  10. Shen, H.Q., "Forming information calculation algorithm of 3-D template for evaluation of curved hull plates", Procedia CIRP, 62 (2017)
  11. Sunil, V.B., "Automatic recognition of features from freeform surface CAD models", Computer-Aided Design, 40(4), pp.502~517 (2008)[DOI]
  12. Tanaka, M., "A single solution method for converting 2D assembly drawings to 3D part drawings", Computer-Aided Design, 36(8), pp.723~734 (2004)[DOI]
  13. Walczyk, D.F., "A comparison of rapid fabrication methods for sheet metal forming dies", Transactions-American Society of Mechanical Engineers Journal of Manufacturing Science and Engineering, 121, pp.214~224 (1999)

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