Journal of the Society of Naval Architects of Korea (대한조선학회논문집)

The Society of Naval Architects of Korea (대한조선학회)
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Construction of a Verified Virtual NC Simulator for the Cutting Machines at Shipyard Using the Digital Manufacturing Technology

디지털 매뉴팩쳐링 기법을 이용한 절단기기의 검증된 가상 NC 시뮬레이터 구축

  • Jung, Ho-Rim (Research Institute of Marine Systems Engineering, Seoul National University) ;
  • Yim, Hyun-June (Dept. of Mechanical & System Design Engineering, Hongik University) ;
  • Lee, Jang-Hyun (Research Institute of Marine Systems Engineering, Seoul National University) ;
  • Choi, Yang-Ryul (Research Institute of Marine Systems Engineering, Seoul National University) ;
  • Kim, Ho-Gu (Geoje Shipyard, Samsung Heavy Industries, Co., Ltd.) ;
  • Shin, Jong-Gye (Dept. of Naval Architecture and Ocean Engineering, Seoul National University)
  • 정호림 (서울대학교 해양시스템공학연구소) ;
  • 임현준 (홍익대학교 기계/시스템디자인공학과) ;
  • 이장현 (서울대학교 해양시스템공학연구소) ;
  • 최양렬 (서울대학교 해양시스템공학연구소) ;
  • 김호구 (삼성중공업 주식회사 거제조선소) ;
  • 신종계 (서울대학교 조선해양공학과)
  • Published : 2005.02.01
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Abstract

Digital manufacturing is a technology to simulate the real manufacturing process using the virtual model representing the physical schema and the behavior of the real manufacturing system including resources, processes and product information. Therefore, it can optimize the manufacturing system or prevent the bottleneck processes through the simulation before the manufacturing plan is executed. This study presents a method to apply the digital manufacturing technology for the steel cutting process in shipyard. The system modeling of cutting shop is carried out using the IDEF and UML which is a visual modeling language to document the artifacts of a complex system. Also, virtual NC simulators of the cutting machines are constructed to emulate the real operation of cutting machines and NC codes. The simulators are able to verify the cutting shape and estimate the precise cycle time of the planned NC codes. The validity of the virtual model is checked by comparing the real cutting time and shape with the simulated results. It is expected that the virtual NC simulators can be used for accurate estimation of the cutting time and shape in advance of real cutting work.

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References

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