臺灣博碩士論文加值系統

近年來，科技與工業的快速成長，使得產品趨向客製化且多樣化，而在最基本的零件加工中，鑽削的相關加工顯得極其重要。據統計，鑽孔工序在汽車或航太加工中的比重約占35%。眾所皆知，鑽削是一種極其複雜的加工工序，所以致力改善鑽削加工的研究將有效提升鑽削之效能。
本論文實驗的測試工件為中碳鋼S45C，中碳鋼擁有良好的機械性質且容易加工，也是用途廣泛的一種金屬材料，常用於螺栓、螺帽、連桿、齒輪、曲柄軸與各式加工零件。實驗主要是利用鑽削試驗進行加工測試，其最終目標是為了改善鑽頭之鑽削性能且增加鑽頭壽命，為增加實驗效率並節省材料與時間，所以採用L18田口直交表配置鑽頭各部位的幾何角度等因子，田口方法可有效計算出各因子之間的貢獻率以及交互作用的關係。實驗以減少鑽腹磨耗為指標，依據實驗結果進行變異數分析以求得最佳的實驗因子組合，由分析的結果得知影響刀腹磨耗最大的因子是每轉進給、鑽唇離隙角與軸向切削角。

In recent years, the rapid growth of technology and industry has made products tend to be customized and diversified. In the most basic parts machining, drilling related processing is extremely important. According to the statistics, the proportion of drilling processes in automotive or aerospace machining accounts for about 35 percentages. As is well known, drilling is a very complicated machining process. Therefore, the improvement in drilling will effectively increase its efficiency.
The test workpiece of this thesis is medium carbon steel S45C. It has good mechanical properties and is easy to process. It is also a kind of metal material with wide application such as bolts, nuts, links, gears, crankshafts, and various types of machining components. This experiment is mainly to use the drilling test for machining test. The ultimate goal is to improve the drilling performance and increase the tool life of the drill. In order to increase the efficiency of the experiments and save material and time, the experiments adopt the Taguchi orthogonal array L18 to assign the control factors with different levels of the drill. The Taguchi method can effectively calculate the contribution rate of each factor and interaction between the factors. In order to reduce the wear of the web, the experimental results were applied to analyze the variance to obtain the optimal combination of the control factors. The results of the analysis show that the maximum affect for the wear of the web are the feed per revolution, lip relief angle, and axial rake angle, respectively.

摘要...............i
Abstract...............ii
誌謝...............iii
目錄...............iv
表目錄...............vi
圖目錄...............vii
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...............4
第二章 基礎理論...............6
2.1鑽削刀具...............6
2.1.1麻花鑽頭...............6
2.1.2鑽削刀具幾何形狀...............9
2.1.3特殊鑽尖型式...............11
2.2金屬切削理論...............12
2.2.1切削模型...............12
2.2.2鑽削時各點切削狀態...............13
2.2.3切削參數...............13
2.3刀具與工件材料性質...............15
2.3.1刀具材料性質...............15
2.3.2工件材料性質...............15
2.4鑽頭磨耗型態與部位...............15
2.4.1磨耗型態...............15
2.4.2磨耗部位...............16
2.5田口方法...............16
2.5.1品質損失函數...............17
2.5.2訊號雜訊比...............17
2.5.3田口直交表...............18
2.5.4變異數分析(ANOVA)...............19
2.5.5加法模式與信賴區間...............21
第三章 實驗軟體與設備...............22
3.1 TOOL STUDIO刀具設計軟體...............22
3.2 TOPWORK TD-5鑽石砂輪修整機...............23
3.3 HELITRONIC BASIC刀具研磨機...............24
3.4 KEE JAAN TP-300AE砂輪量測儀...............25
3.5 KEEJAAN KJ-202影像測量系統...............26
3.6 Zoller genius3s刀具量測儀...............27
3.7 Olympus STM 6高精度工具顯微鏡...............28
3.8 FV-85A 高速加工機...............29
第四章 實驗設計與規劃...............30
4.1鑽削加工實驗...............30
4.2實驗量測方法...............31
4.3前測試鑽削實驗...............32
4.3.1第一次鑽削測試...............32
4.3.2第二次鑽削測試...............33
4.3.3第三次鑽削測試...............34
4.4田口直交表的選擇與配置...............34
第五章 實驗結果與驗證...............36
5.1刀具磨耗與S/N比計算...............36
5.2因子反應...............37
5.3變異數分析...............37
5.4驗證實驗...............38
5.4.1信賴區間公式計算...............38
5.4.2驗證實驗探討...............38
第六章　結論與未來展望...............40
6.1結論...............40
6.2未來展望...............40
參考文獻...............41
Extended Abstract...............43
Abstract...............43
1. Introduction...............44
2. Taguchi method...............44
3. Experimental Design and Results...............45
4. Conclusions...............46

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