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가상생산기술 적용을 위한 자동차 가상플랜트 구축 및 활용
노상도,이교일,손창영,한형상,박영진,No, Sang-Do,Lee, Gyo-Il,Son, Chang-Yeong,Han, Hyeong-Sang,Park, Yeong-Jin 대한기계학회 2001 大韓機械學會論文集A Vol.25 No.10
Virtual manufacturing is a technology facilitating effective development and agile manufacturing of products via sophisticated computer models representing physical and logical schema and behavior of real manufacturing systems including manufacturing resources, environments, and products. For the successful application of this technology, a virtual plant as a well-designed and integrated environment is essential fur sharing information and engineering collaboration among diverse engineering activities. The systematic approaches and effective methods for construction and application of a virtual plant are proposed in this paper, such as a 3-D CAD modeling, cell and line simulations, databases and some information technologies. Measuring and 3-D CAD modeling technologies of many equipments, facilities and structures of the building are developed, and effective information management system managing CAD models, related files and data is implemented in WWW environments. Finally, precise simulations of unit cell lines and the whole plant are performed. For the beginning of implementing a Virtual Automotive Plant, the Virtual Plant fur the Body Shop of a Korean automotive company is constructed and implemented. We could obtain the benefit of savings in time and cost in many manufacturing preparation activities in the new car development processes.
조립성 분석을 위한 3D CAD 모델 기반 DFA 시스템
고명준(Myoung Jun Ko),임종완(Jong Wan Lim),이전일(Li Quan Ri),황다혜(Da Hye Hwang),조재탁(Jae Tak Cho),손권(Son Kown),노상도(Sang Do No),권혁진(Hyeok Jin Kwon),이주연(Ju Yeon Lee),김보현(Bo Hyun Kim) (사)한국CDE학회 2016 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2016 No.동계
Currently, many companies are endeavoring in reflecting various demands on their products. By needs for mass-customization, which means low production volume and high varieties in products, have been increased and this led to increase in cost of production. Design for Assembly (DFA) is a methodology which applies concurrent engineering concept to enable reduction in time & cost for product assembly and improvement in assemblability at product design stage. Most of existing DFA tools are implementing checklist system based on surveys on data gathered from users’ experiences at product design stage, and are assessing design under guidelines and calculating DFA indices and Efficiency. However, such methodology increases workloads, difficulties in application to 3D models and difficulties of users who are not familiar with it in understanding and utilizing. Therefore, 3D model-based DFA system, which is applicable to confirmation of assemblability for reflection onto the product design, is designed and implemented. This 3D CAD-based DFA system is expected to decrease workload and help those users who are not proficient assess assemblability more easily at the stage of product design.