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研究生:曹建樑
研究生(外文):Chien-Liang Cao
論文名稱:扭力控制於光纖端面加工之研究
論文名稱(外文):A Study of the Torque Control on Manufacturing End-face of the Optical Fiber
指導教授:蔡穎堅
指導教授(外文):Tsai,Ying-Chien
學位類別:碩士
校院名稱:國立中山大學
系所名稱:機械與機電工程學系研究所
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:2007
畢業學年度:95
語文別:中文
論文頁數:111
中文關鍵詞:微探針研磨機研磨加工扭力控制端面光纖
外文關鍵詞:End-faceTorque ControlGrinding ProcessesGrinding MachineOptical FiberMicro Probe
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光纖端面之加工方法雖然有化學腐蝕、雷射加工、機械研磨等方法,但是目前仍以機械研磨為最普遍。尤其是加工楔型光纖端面及錐式楔型光纖端面時,機械研磨更有其獨特性。蔡穎堅教授研究團隊已經於2006年在傳統之光纖研磨機上加裝偏心質量機構,成功地以一次研磨程序,研磨出橢圓錐光纖端面。
本論文進一步在現有之在傳統之光纖研磨機上加裝扭力控制馬達以控制光纖研磨時之正壓力。當光纖自轉時,同步施以不同週期及不同波形之電壓,使光纖與研磨盤間之正壓力做不同波形之週期性變化,藉此改變材料移除之速率,以磨成不同之形狀。本系統之優點在於能以一次研磨程序,即可研磨出橢圓錐或各式多角錐面之光纖端面,以提高加工效率及精度。
本論文所研發之光纖研磨機構系統,除可用於研磨出橢圓錐光纖端面,以供後續經熔燒製成橢圓錐光纖鏡面,供光纖通訊系統使用外,尚可應用於各式探針之研磨加工。
The mechanical grinding processes is the most popular way to fabricate the end face of optical fibers, although there are some other methods like chemical etching and leaser machining. In cases of fabricate the wedge type and wedge-cone type optical fiber end faces, the mechanical grinding is the typical way. Professor Y. C. Tsai’s research group has successfully fabricated the optical fiber with elliptical-cone-type end-face in a single grinding process by adopting a mechanism with eccentric mass on the commercial optical fiber grinding machine.
In this study, a torque motor is equipped on the commercial optical fiber grinding machine for controlling the normal pressure between the optical fiber and the grinding film during the grinding process. While the optical fiber rotating, the normal pressure, as well as the material removed rate and the final shape of the optical fiber, can be controlled in different periodical mode shapes by applying different voltages with different periodical mode shapes. The merit of this system is its capability of fabricating fiber with elliptical-cone-shape and polygon-cone-shape (polyhedron-tip) end faces in a single grinding process that will increase the efficiency and the accuracy of grinding.
It is believed the grinding machine system developed in this study can be successfully applied for fabricating the optical fiber lenses as well as different types of micro probes for other applications.
謝誌 i
目錄 ii
圖目錄 iv
表目錄 vii
摘要 viii
Abstract xi
第一章 緒論 1
1.1 研究背景與研究動機 1
1.1.1 研究背景–提高耦光效率與微工件之加工 1
1.1.2 研究動機–高經濟效益產品之設計與加工 2
1.2 文獻回顧 3
1.3 研究方法與步驟 9
1.4 研究目標與論文大綱 10
第二章 光纖之耦光機制與機械手臂應用於微工件加工 12
2.1 光纖之耦光機制 12
2.1.1 高斯光束 12
2.1.2 模態匹配 12
2.1.3 光纖透鏡之運用 16
2.2 機械手臂應用微工件加工 17
2.2.1 探針應用 17
2.2.2 機械手指校正與加工應用 18
第三章 機械系統分析與光纖端面成型之原理 22
3.1 光纖研磨機台簡介 22
3.2 材料移除率之參數 23
3.3 扭力與光纖端面 26
3.4 相對速度與光纖端面 27
3.5 能量變化與光纖端面 28
3.6 光纖端面之力量與運動合成 33
第四章 光纖端面研磨機之設計 36
4.1 研磨機設計之需求 36
4.2 運動與扭力規劃 41
4.3 Bond Graphs建立 49
4.3.1 光纖夾具系統之Bond Graphs 50
4.3.2 光纖夾具轉軸動力輸入系統之Bond Graphs 55
4.3.3 光纖與光纖研磨盤系統之Bond Graphs 58
4.4 Bond Graphs系統整合 60
第五章 實驗結果 62
5.1 實驗設備架設 62
5.1.1 伺服馬達架設 62
5.1.2 直流有刷馬達架設 63
5.1.3 系統整合 66
5.2 實驗過程 68
第六章 實驗討論與建議 87
6.1 實驗討論 87
6.1.1 穩態實驗 87
6.1.2 實驗假設 88
6.1.3 實驗分析 89
6.1.4 實驗討論 93
6.2 後續改良與設計 94
參考文獻 98
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