研究生: |
黃彥迪 YEN-TI HUANG |
---|---|
論文名稱: |
頁寬式壓電噴頭模組應用於高速粉床熔融3D列印機台的開發與研究 Research and development of high-speed sintering 3D printing machine with page-wide piezoelectric printhead module |
指導教授: |
鄭正元
Jeng-Ywan Jeng |
口試委員: |
江卓培
Cho-Pei, Jiang 林宗翰 Tzung-Han, Lin 謝志華 Chih-Hua, Hsieh |
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: | 2019 |
畢業學年度: | 107 |
語文別: | 中文 |
論文頁數: | 91 |
中文關鍵詞: | 頁寬式列印 、壓電噴頭 、高速燒結3D列印 、熱塑性聚氨酯 |
外文關鍵詞: | page-wide printing, piezoelectric printhead, high speed sintering 3D printing, thermoplastic polyurethane |
相關次數: | 點閱:445 下載:0 |
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本研究為頁寬式壓電噴頭高速粉床熔融3D列印機台開發的初期研究。起初先以改裝的單熱泡噴頭模組粉床熔融3D列印機台進行加熱製程的設計及開發,同時進行材料的選用及材料基本性質的分析以確立其反應機制,並透過列印的成品整理出較佳的列印策略,進而將此經驗應用於機台製程開發上。另外利用將噴頭拼裝為頁寬式模組讓噴印流程簡化達到單噴印行程(Single-Pass),以達到高速噴印的目的。
熱塑性聚氨酯為目前鞋類製造的熱門材料,但由於其身為非結晶性材料無明確熔點的特性使其在粉床熔融3D列印製程中形貌的定義上有著難度,本研究以檢測不同區域的溫度作為基準,統整出不同溫度控制條件下列印精度與強度的差異,作為成品需求與製程參數調控的參考。
最後會進行壓電噴頭及墨水的噴印可行性測試,作為材料選用與調適的依據,並架設觀墨設備觀測噴印時墨滴的狀態,以判斷壓電波型的設計是否得宜。
This study is the early research on the development of page-wide piezoelectric printhead module high-speed sintering 3D printing machine. At first, the design and development of the heating process was carried out with a modified single thermal bubble printhead powder bed sintering 3D printing machine. At the same time, the material selection and the properties of the material were analyzed to establish the reaction mechanism and print the finished product. Organize a better printing strategy and apply this experience to machine process development. In addition, the nozzle is assembled into a page-wide module to simplify the printing process becoming single pass to achieve high speed process.
Thermoplastic polyurethane, TPU, is widely used in current footwear manufacturing industry. As is a kind of amorphous materials, TPU has no clear melting point, which makes it difficult to define the morphology in the powder bed sintering 3D printing process. In this research, detecting of temperature in different area is used to make products and then calculate the difference between dimensional accuracy and mechanical property as a reference for tuning the process parameters.
Finally, printability test of the piezoelectric printhead and ink can be carried out as the basis for material selection and adjustment, and using high speed camera to observe the droplets during printing to determine whether the design of the piezoelectric waveform is appropriate.
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