| 研究生: |
陳俊豪 Chen, Chun-Hao |
|---|---|
| 論文名稱: |
高黏度流體於點膠機構定位噴印之研究 Study on Drop-on-Demand Technique of a High Viscous Fluid by Dispensing Mechanism |
| 指導教授: |
賴維祥
Lai, Wei-Hsiang |
| 學位類別: |
碩士 Master |
| 系所名稱: |
工學院 - 航空太空工程學系 Department of Aeronautics & Astronautics |
| 論文出版年: | 2008 |
| 畢業學年度: | 96 |
| 語文別: | 中文 |
| 論文頁數: | 75 |
| 中文關鍵詞: | NC程式碼 、三軸點膠機 、糖畫 、葡萄糖漿 |
| 外文關鍵詞: | NC Code, Sugar Painting, Dispensing Mechanism, Glucose crystal, Drop-on-demand |
| 相關次數: | 點閱:90 下載:3 |
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傳統的糖畫通常是由畫糖師傅或以模具壓制而成。利用三軸點膠系統加上平面影像轉換成為糖畫的塗佈路徑的技術,即可將影像資料製成NC程式塗佈路徑,創造出屬於個人化的糖畫。
本論文提出軟體研發以及硬體驗證的整合方式。硬體是自行設計一具氣動式的三軸點膠機台,並以NC程式驅動,其可移動的成型範圍為:300mm×240mm×210mm;軟體研發部分,可將全彩影像轉換成二值化影像,根據每層的二值化影像資料轉成NC程式碼使三軸點膠機台塗佈糖畫。選用不同黏度的葡萄糖漿,量測電腦給予信號至糖漿實際從針頭端擠出至吸附平板的時間TD與單點塗佈糖漿尺寸所需的時間Ts,以探討黏度對糖畫成型的影響。糖漿單點塗佈,黏度在88,000cp至433,000cp時,直徑會隨著黏度遞增而大幅度減少,糖漿連續塗佈的寬度隨黏度遞增或平台移動速度增加而變窄。 本研究經由實驗,找出該黏度下的最佳成型參數,輸入至軟體中,將糖畫與數位影像進行比對,可確定軟體資料輸出的正確性與結合硬體的可行性。
Personalized product and arts increase as digital cameras increasing. Traditional sugar painting is made by the expert or molds. This study tries to transfer information of binary image to NC code and discuss the effect on painting between different viscous glucose crystals through three-axis fluid dispensing machine which moving range is 300 mm *240 mm *210mm. It integrations both software and hardware to operate accordingly. In software, it transfers the information of binary image to NC code to move the location of the dispensing valve on three-axis machine along zig-zag path in each layer.
Measure delay time TD from signals sent from the computer to glucose crystals dropped on the plate and the relation between drop size and stagnation time TS as drop on demand. Results show that the size of glucose crystals decreases when the viscosity increases from 88,000cp to 433,000cp at drop-on-demand condition. The width of glucose crystals becomes narrow when the viscosity increases from 88,000cp to 433,000cp or the traversing velocity increases at dispensing condition. The optimal parameters from experiment are obtained so that as the software inputs parameters by experiment, the good painting result is made through the comparison with the image information.
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