汽車鈑金模具逆向工程整合系統

A Dedicated Reverse Engineering System For Automobile Press Die

蘇醒揚(shu hsin yang)

指導教授 ： 李碩仁

元智大學/工程學院/機械工程學系/碩士(2000年)

摘要

逆向工程技術在汽車鈑金模具的開發應用上，逐漸被產業所重視。因逆向工程技術的發展及CAD/CAM/CAE技術的純熟，取代了靠模仿削的傳統技術，革命性的改變了現有的製程，使得對於模具的設計開發上不但能夠節省製作時間與成本，更可經由電腦模擬而達到高精度高水準的產品，減少工作上疏失與錯誤。
本研究發展之專用逆向工程系統，主要針對汽車鈑金整車開發及大型複雜曲面模具設計。本專用系統配合產業界規範的設計程序、檢驗程序與校準程序，結合量測技術與應用軟體，建立標準作業程序對於整體逆向工程的過程，作最有效率的整合。系統建立的標準作業程序包括量測定位、孔位校準、資料處理、曲面設計、模型建立與加工流程。
本研究中利用雷射掃描自動量測技術，結合不同類型的資料處理與CAD軟體的應用及自行開發的模組，來增加生產效率及節省時間與成本。藉由此逆向工程的整合技術，在模具開發設計的程序上，改進現有資料量大處理不易與模型建立時效緩慢的缺點，可以成為一套理想的汽車鈑金模具開發系統，增加設計上的方便性、簡單性與靈活性。

關鍵字

CAD/CAM ； 逆向工程 ； 大型曲面設計

並列摘要

Reverse Engineering is becoming an emerging technology in the design and production of automobile press dies. Because of the maturity of the reverse engineering and CAD/CAM/CAE technologies, the design and manufacturing procedures of automobiles and their associated press dies are under revolutionary process of changes to catch up these new technological advancements. Therefore, the design and manufacturing processes become more efficient, mistake-free and cost competitive.
In this thesis, a dedicated reverse engineering system is developed especially for the designs of an entire car body press parts and their associated large complex free-form surface press dies. This system integrates automobile industrial specifications of design, inspection and verification procedures, commercially available measurement technology and software systems to establish a more efficient standard operating procedure for automobile reverse engineering applications.
The integration of automatic surface scanning technology, various data processing and handling methodology, model building systems and self-developed modules has improved the overall design cycle to become more fine efficient cost effective. Current problems of handling large amount of digitized data and meticulousness of building CAD models were alleviated. This system may simplify the design processes and provide design guideline and tools for engineers in the automobile and die industries.

並列關鍵字

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