研究生: |
方秀博 XIU-BO FANG |
---|---|
論文名稱: |
陶瓷粉末成型結合3D掃描應用於多軸數控加工成型 Multi-axis CNC machining forming by ceramics powder process combined with 3D scanning |
指導教授: |
林舜天
Shun-Tian Lin |
口試委員: |
鄭逸琳
Yih-Lin Cheng 林寬泓 Kuan-Hong Lin |
學位類別: |
碩士 Master |
系所名稱: |
工程學院 - 機械工程系 Department of Mechanical Engineering |
論文出版年: | 2016 |
畢業學年度: | 105 |
語文別: | 中文 |
論文頁數: | 114 |
中文關鍵詞: | 逆向工程 、3D掃描 、高嶺土 、生胚加工 、多軸加工 |
外文關鍵詞: | kaolin, Green machining, Multi-axis machining |
相關次數: | 點閱:328 下載:0 |
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本研究目的是傳達一種利用複製形態的概念建立出加工圖檔,以3D掃描技術透過光線與物品反射之非接觸方式取得物品3D圖檔,除了能夠複製原物品的圖檔以外還可以依照個人喜好任意編輯外形,繪製出全新獨一無二的圖檔。材料採用傳統陶瓷生胚,以未燒結情況下進行加工,藉由四軸加工之CAD(Computer Aided Design) 與CAM (Computer Aided Manufacturing)製造成型技術達到產品快速、少量、多樣變化的製造方式。
根據以上的實驗結果發現,掃描器Artec Spider™機台最合適,其主要原因是能夠直接掃描高反光率物件且完整度高、掃描範圍廣、手持式掃描活用性高、解析度及圖檔精度高。材料部份,生胚的斷面結構緊密黏結沒有明顯邊界、抗彎強度8.1MPa符合2MPa以上可判斷材料具備基本的切削強度。加工最佳條件,深度最大為5mm、轉速1000rpm以下、進給率400mm/min最佳。
最後由實例測試可發現加工面沒有微裂紋產生以及燒結後沒有嚴重變形,能證明此概念具備可行性,未來能用金屬、非金屬、新型陶瓷材料,可用來製作於義齒、骨頭、義肢、藝術品等客製化產品。
The purpose of this research is to transmit an idea ultilizing copying mode to construct rapid modeling, getting 3D model of the targets with 3D scaning techniques ultilizing light reflection instead of contacting, in spite of copying the model of the original target, it could edit the appearance with personal preference to make the new model.
The material uses traditional ceramic compact and processes before sintering. Ultilizing four-axis machining of CAD(Computer Aided Design) and CAM (Computer Aided Manufacturing) manufacturing techniques to reach the goal of rapid manufacture products and diverse changes.
According the upper experiment results, Artec Spider is the most proper scaning machine.The main reason is that it could scan the target with high reflectivity directly and completely.And it have wide scaning range, portableness , high resoution and precision.
The cross section of the compact has a dense structure without obvious edges and 2MPa fracture strengthness which could process basicly. Best processing condition: depth max 5mm, rotational speed under 1000rpm and feed rate was 400mm/min.
Example testing finds that the working surfaces don't have micro cracks and shape changing after sintering, and it could prove that the idea is workable.
It could be used in producing customized products for artificial teeth, bones and art works with metal, non-metal and new ceramic matreials in the future.
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