論文提要內容: 在製造技術不間斷地進步之下,產品的外形愈趨複雜,精度要求日漸提昇,量測檢驗的問題,也因而更加地受到重視。三次元量測設備已成為精密產業各個層面使用上不可或缺的工具,特別在量測方面的運用,如確認產品其外形尺寸是否符合設計藍圖所要求的標準。 因此本研究使用接觸式三次元精密量床,量測標準塊規、幾何工件、滑鼠外殼及手機電池背蓋。以取得完整的量測資料,然後再透過資料座標定位、逆向工程等技術建構三維CAD模型,並且疊合量測所建立的CAD模型與原始設計之CAD模型,進行誤差比對,以獲得曲面的誤差分析。 關鍵詞:三次元量測、CAD模型重建、疊合 Abstract: Under the continuous improvement of manufacture technology, the appearance of product becomes more complex, and the precision request promotes day after day. Three dimensional measuring apparatuses have become indispensable tools of each level of precise industry, especially in the application of measurement. For example, it can be used to identify if the appearance and size fit in the standard of the blueprint. This research mainly uses Coordinate Measuring Machine(CMM). Parts to be measured include gauge block, geometric models, envelope of mouse, and battery cover. This research will measure above four different samples to rebuild their primitive model in three dimension by reverse engineering technology .To construct original three dimensional CAD model registered CAD model built by the blueprint and used to proceed the comparison of error checking . Furthermore, it can get the error analysis of each part of the surface.