臺灣博碩士論文加值系統

機械製造業為台灣重點發展之產業，其發展具有相當大之規模，在零件製造過程中，需要車、銑、鉋、磨、鑽等工序，隨著產業發展，其中鑽孔之加工量增加，可占整體製程加工量的三分之一，為切削中最為基礎的加工方式。
本論文幾何角度設計是使用鎢鋼刀具對熱處理中碳鋼進行加工測試，主要利用田口直交表配置，探討鑽削熱處理後中碳鋼時，以鑽腹磨耗為指標之最佳幾何角度，因田口方法能夠有效地降低所耗費的時間與成本，而達到最高的實驗效率以及增進製程穩定性，同時各實驗因子間皆為獨立性，先以L18直交對幾何角度進行分析，影響鑽削性能之因子有鑽尖型式、鑽唇離隙角、軸向切削角、鑽唇角，再依據實驗結果進行變異數分析。接著驗證最佳化參數組合是否具可靠性，進而分析各角度對加工熱處理後中碳鋼所造成的影響，故本文所提之最佳化能有效改善鑽頭之切削性能。

The machinery manufacturing industry is a crucial industry for development in Taiwan. The components of manufacturing processes require turning, milling, planning, grinding, and drilling. With the large-scale development of the industry, the amount of drilling increases, accounting for one third of the overall processing capacity and serving as the most basic processing method in machining.
The geometric angle design in this study used tungsten steel cutting tool to conduct processing tests on the heat-treated medium carbon steel. The Taguchi orthogonal array was employed to investigate the optimal geometric angle for the drilling of the medium carbon steel, where the flank wear was adopted as the indicator. Because the Taguchi method can effectively reduce time and cost, the maximum experiment efficiency can be achieved, and the stability of the manufacturing processes can be increased. Moreover, because the experimental factors were mutually independent, the geometric angles were first analyzed using the L18 orthogonal array. The factors that influence the performance of drilling were the type of drill points, lip clearance angle, axial rake angle, and drill lip angle. ANOVA was then conducted for the experimental results. Subsequently, the reliability of the optimal parameters combination was tested, and the effects of various geometric angles on the heat-treated medium carbon steel were analyzed. Accordingly, the optimal parameters combination proposed by this study can effectively improve the cutting performance of drills.

摘要...i
Abstract...ii
誌謝...iii
目錄...iv
表目錄...vii
圖目錄...viii
第一章　緒論...1
1.1前言...1
1.2研究動機與目的...1
1.3文獻回顧...1
1.4研究流程...3
1.5論文架構...3
第二章　基礎理論...4
2.1鑽頭幾何形狀...4
2.1.1鑽柄(shank)..4
2.1.2鑽身(body)...4
2.1.3鑽頂(point)...6
2.2鑽頭的角度及功用...6
2.2.1螺旋角...7
2.2.2鑽唇角...8
2.2.3 鑽唇離隙角...8
2.2.4鑿刃角...8
2.3特殊鑽尖型式...9
2.3.1 X型鑽尖...9
2.3.2 R型鑽尖... 9
2.3.3 S型鑽尖...10
2.4切削理論...10
2.4.1切削模型...10
2.4.2鑽削時各點切削狀態...11
2.5切削參數...11
2.5.1切削厚度及寬度...11
2.5.2進給量...12
2.5.3切削速度... 12
2.6材料性質...13
2.7鑽頭磨耗型態與部位...13
2.7.1磨耗型態...13
2.7.2磨耗部位...13
2.8田口方法...14
2.8.1品質損失函數...14
2.8.2訊號雜訊比...15
2.8.3田口直交表...16
2.8.4變異數分析...17
2.8.5加法模式與信賴區間...18
第三章　實驗軟體與設備...19
3.1 TOPWORK GUTS刀具設計軟體...19
3.2 TOPWORK M-40萬能工具磨床...20
3.3 KEE JAAN TP-300AE砂輪量測儀...21
3.4 TOPWORK TG-5 PLUS工具磨床...22
3.5 KEEJAAN KJ-202影像測量系統...23
3.6 Zoller genius3s刀具量測儀...24
3.7 Olympus STM 6高精度工具顯微鏡...25
3.8 F5 高速加工機...26
第四章　測試與實驗設計規劃...27
4.1實驗規劃...27
4.2鑽頭之幾何設計...27
4.2.1螺旋開槽...28
4.2.2背溝...29
4.2.3鑽尖研磨工程...30
4.2.4直線攻角...30
4.2.5曲線攻角...31
4.3直交表的選擇與實驗配置...31
4.4鑽削實驗及量測方式...32
第五章　實驗結果與驗證...34
5.1刀具磨耗與S/N比計算...34
5.2因子反應...35
5.3變異數分析...35
5.4實驗驗證...35
第六章　結論與未來展望... 37
6.1結論...37
6.2未來展望...37
參考文獻...38
Extended Abstract...40
Abstract...40
1. Itroduction...41
2. Taguchi method...41
3. Experimental Design and Results...42
4. Discussions and Conclusions...43
References...43

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