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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
대한기계학회 Journal of Mechanical Science and Technology Journal of Mechanical Science and Technology Vol.21 No.8
발행연도
2007.8
수록면
1,235 - 1,243 (9page)

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초록· 키워드

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To design a CAD viewer on the Web, a file translation system which converts a native CAD file of a commercial CAD to the simplified CAD file is required. However, commercial CAD viewers have used simplified geometric data similar to the VRML format. Thus, it has been difficult to apply such data to the accurate design and dimension examination procedures. In this paper, a STEP translation server supporting most CAD native formats is devised. To apply the STEP file to the precise CAD viewer, an accurate geometric data extraction method from the STEP file is studied. A STEP translator classifies and defines geometric shapes according to the boundary information. Viewing and measurement functions of the developed system verify the geometries, interferences, dimensional errors, human factors, and form errors of the CAD data. In addition, design modification messages are transferred through the markup functions of the system. Collaborators are able to share their design ideas and opinions rapidly and remotely through the XML (eXtensible Markup Language) open architecture. The effectiveness of the developed system is confirmed through case studies.

목차

Abstract
1. Introduction
2. System architecture
3. Translation of native CAD data
4. Geometric data extraction from STEP
5. Classification of STEP data for dimensional verification
6. Method of dimensional verification and markup modules
7. Storing dimensional verification and markup results
8. Case studies
9. Conclusions
References

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