本研究之主要目的是開發出一套"銑削式3D積層影像擷取系統",希望經由層切削與影像擷取技術兩者的結合,最終取得二維斷層資料。在取得所有斷面資料後,將一層一層組合起來即為三維資料,最終達成擁有內外部曲面與特徵之立體影像重建之需求。 本研究之主要訴求有二點,第一點為透過自行開發之運動控制單元、影像擷取單元整合成全自動化的3D積層影像擷取系統,只要把待測件經鑲埋後放置於本研究開發之機台上,便自動取得二維影像資料,最後經逆向建模軟體合成三維圖像。第二點為開發出層厚薄且精準之機臺,進行每層20μm之銑削機構,本機臺之設計穩定需求高,採用兩旁架設滑軌,中間為滾珠導螺桿的方式,使得本機臺之加工尺寸得以實現。 本研究之結果,在設計機台中能夠順利的取得二維斷面影像,經由逆向建模後獲得內外曲面相同的3D立體影像。
The purpose of this study is to develop a "milling based 3D layer image capturing system", hope to combination of both technology by layer cutting and the technologies of image capture, eventually obtain two-dimensional CT data.After obtaining all the information in sections,combination the 3D data layer by layer,and finally owns the three-dimensional image reconstruction demand of internal and external surface features. The objectives of this study have two points, the first point is to integrated the movement of self-developed control unit and image capture unit into automated 3D image capture system, as long as the test piece after inlay buried placed on research machine,it will automatically obtain the two-dimensional image data,finally three-dimensional image synthesis by reverse modeling software. The second point is development of the layer thickness and precise machines, perform each of 20μm milling mechanism, high-design the machine's stability needs, using both sides of the erection slide, ball screw in the middle of the way, making the machine's processing size can be achieved. The results of this study,in the design of machines able to obtain a two-dimensional images smoothly,access to internal and external surfaces of the same 3D images via the inverse modeling.
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