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研究生:楊昌融
研究生(外文):Chang-Jung Yang
論文名稱:微電化學加工參數之最佳化設計及評估
論文名稱(外文):Estimate the Best Design Combination of EMM's Parameters
指導教授:洪勵吾
指導教授(外文):Lih-Wu Hourng
學位類別:碩士
校院名稱:國立中央大學
系所名稱:機械工程研究所
學門:工程學門
學類:機械工程學類
論文種類:學術論文
論文出版年:2004
畢業學年度:92
語文別:中文
論文頁數:66
中文關鍵詞:田口法微電化學加工
外文關鍵詞:Electrochemical micro-machiningTaguchi method
相關次數:
  • 被引用被引用:6
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在眾多非傳統特殊微系統加工中,微電化學加工(Electro- chemical Micro-Machining,簡稱 EMM)擁有加工速度快、無表面應力集中及表面光潔度佳的優勢,具有相當的發展潛力和高附加價值。
本研究採用 之微米銅管做為刀具,電解液的流動採用內部流,希望藉由內部流來提升加工的順暢性。本研究採用田口統計方法探討微電化學加工相關參數(操作電壓、進給速度、電解液濃度及電解液流量)對於加工孔徑的影響性程度。並運用穩健設計法加以評估設計最佳參數組合。
由矩陣實驗結果加以分析,發現操作電壓及電解液濃度的改變將嚴重影響加工孔徑的結果,同時從研究中順利取得ㄧ組最佳參數。


關鍵字:微電化學加工,田口法
In numerous non-traditional, systematical micro-machining, the electrochemical micro-machining (abbreviated as EMM) has the advantage of quick processing speed, good convergence in surface stress, and nice smoothness in workpiece surface with enormous potentialities highly added value.
A copper tube with 300-micron meter of diameter is selected as electrode tool. The inner flowing vein is employed for facilitating the processing efficiency of the micron tube. In this research, Taguchi Statistical Method of Quality- engineering is used to analyze the influence level on the final hole’s diameter of workpiece by relevant parameters (Such as : voltage, feed rate, density and flowing volume rate of electrolyte). Robust-Design technique is also used to estimate the best design combination of parameters in our experiment.
By analyzing the outcomes of metric experiments, the voltage and electrolyte concentration are found to affect apparently the diameter of processing hole on the workpiece, and the best parameter combination is simultaneously acquired from the research.

Key words:Electrochemical micro-machining, Taguchi method
摘 要 ……………………………………………………………… I
目 錄 ……………………………………………………………… III
表目錄 ……………………………………………………………… VI
圖目錄 ……………………………………………………………… VII
符號說明 …………………………………………………………… IX
第ㄧ章 緒 論 ……………………………………………………… 1
1-1. 研究動機 …………………………………………………… 1
1-2. 文獻回顧 …………………………………………………… 2
1-2-1.數值分析模擬部份 …………………………………… 3
1-2-2.實驗分析部份 ………………………………………… 5
1-3. 研究目的 ………………………………………………… 8
第二章 理論基礎 ………………………………………………… 10
2-1. 電化學加工之基本理論 ………………………………… 10
2-1-1. 電化學反應式 ……………………………………… 11
2-1-2. 歐姆定律 …………………………………………… 12
2-1-3. 電流密度 …………………………………………… 12
2-1-4. 空隙分數 …………………………………………… 12
2-1-5. 導電度 ……………………………………………… 13
2-1-6. 導電度與濃度之關係 …………………………… 13
2-1-7. 電流效率 ………………………………………… 14
2-2. 柏努力定律 …………………………………………… 14
第三章 實驗設備方法與步驟 ………………………………… 16
3-1. 實驗設備 ……………………………………………… 16
3-1-1. 機台結構設計 …………………………………… 16
3-1-2. 刀具進給控制系統 ……………………………… 17
3-1-3. 刀具設計及挾持器的設計製作 ………………… 18
3-1-4. 輔助設備及相關週邊配置 ……………………… 19
3-1-4-1. 電源供應器 ………………………………… 19
3-1-4-2. 電解液循環系統 …………………………… 19
3-2. 直交表的建構 ………………………………………… 21
3-2-1. 自由度的計算 …………………………………… 22
3-2-2. 標準直交表的選擇 ……………………………… 23
3-2-3. 實驗資料之分析 ………………………………… 23
3-2-4. 變異數分析法 …………………………………… 24
3-3. 實驗步驟及注意事項 ………………………………… 25
3-3-1. 實驗步驟 ………………………………………… 25
3-3-2. 實驗注意事項 …………………………………… 26
第四章 結果與討論 …………………………………………… 27
4-1. 加工實驗各參數之探討及印證 ……………………… 27
4-2. 直交表矩陣實驗之結果與分析 ……………………… 27
4-3. 最適因子水準之組合 ………………………………… 29
4-4. 加工刀具的加工影響 ………………………………… 31
4-5. 微電化學加工與傳統電化學加工之差異 …………… 32
第五章 結 論 ………………………………………………… 33
參 考 文 獻 …………………………………………………… 34
表 ………………………………………………………………… 41
圖 ………………………………………………………………… 52
附錄 A …………………………………………………………… 66
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