研究生: |
梁靖偉 Liang, Jing-wei |
---|---|
論文名稱: |
彈性3D成形技術:鋅鋁合金與不鏽鋼佈料塑形機構與製程開發 Freeform Additive Manufacturing:Development of Dispensing and Shaping Mechanisms and Processes for Zn-Al Alloys and Stainless Steel |
指導教授: |
曹哲之
Tsao, Che-Chih |
口試委員: |
林士傑
Lin, Shih-Chieh 張禎元 Chang, Jen-Yuan |
學位類別: |
碩士 Master |
系所名稱: |
工學院 - 動力機械工程學系 Department of Power Mechanical Engineering |
論文出版年: | 2019 |
畢業學年度: | 108 |
語文別: | 中文 |
論文頁數: | 106 |
中文關鍵詞: | 快速原型 、積層製造 、金屬模具 |
外文關鍵詞: | Rapid prototype, Additive manufacturing, Metal molding |
相關次數: | 點閱:3 下載:0 |
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本研究應用彈性3D成型技術於研究列印金屬3D列印時之佈料以及塑型機構。彈性3D成型技術利用電漿電弧作為加熱源並設計佈料或塑型機構去進行佈料、成型、建立金屬至3D物件。在此研究中,測試、發展鋅鋁合金佈料、成型物件的方法以及其硬體機構;測試、發展不鏽鋼線材上塑型機構塑型材料的方法。
在鋅鋁合金的研究上,發現佈料時若利用間接加熱的方式可成型出良好、光滑的形狀並能堆疊出不同的3D形狀,因此設計以及測試間接加熱時所使用的佈料頭,並研究出如何成功成型材料的電流、成型參數,成功的證實此項技術能成功的列印出不同的基本幾何形狀。
在不鏽鋼研究中,發展並研究其塑型機構稱作微分模具。此研究可以幫助證實鋅鋁合金利用彈性3D成型技術並應用於脫蠟鑄造上蠟型之成型模上以及應用於射出成型模具的潛力。
This research explores and studies dispensing and shaping mechanisms and processes for making metal parts by applying the Freeform Additive Manufacturing (FAM) technique. Specifically, the FAM technique applies a plasma arc as heat source with a specially designed dispensing head or shaping mechanism to dispense, form and build up metal deposits into 3D objects. In this study, methods and hardware to dispense and form objects of zinc aluminum alloy were explored and tested; and mechanisms for shaping stainless steel deposits were tested and studied. An indirect heating method were discovered to dispense good form of Zn-Al deposits that can be joined into 3D object of desired shape with shiny surface. Corresponding dispensing heads were designed and tested and process parameters were experimented. Continuous material deposition and layer by layer building to form simple 3D geometries were demonstrated. Forming of stainless steel and shaping by using a differential mold mechanism were also studied. These results help potential applications of the FAM technique to make Zn-Al mold shells for wax pattern fabrication in investment casting and molds for injection molding test runs or production.
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