研究生: |
吳俊毅 Chun-I , Wu |
---|---|
論文名稱: |
細微切削之加工平台設計與加工分析 The Platform Design and Machining Analysis of the Micro Cutting |
指導教授: |
蕭德瑛
Dein Shaw |
口試委員: | |
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: | 2005 |
畢業學年度: | 93 |
語文別: | 中文 |
論文頁數: | 76 |
中文關鍵詞: | 微切削 、鑽石刀具 、尺寸效應 、切削厚度 |
外文關鍵詞: | micro cutting, diamond tool, size effect, thickness |
相關次數: | 點閱:2 下載:0 |
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微切削,顧名思義即是細微尺寸的切削,而當切削尺寸大小低至微米程度,切削特性將會越顯複雜,像尺寸效應、回彈效應等。而本論文分為實驗與模擬兩方面來探討微切削的分析。首先,實驗方面,利用自行設計的實驗機台,進行切削實驗得到相關的實驗數據如:Z軸切削力、進給量、切深、溝槽輪廓等;另一方面,使用ANSYS軟體模擬刀具對工件的切削行為,模擬不同程度的切削厚度時的應力應變分布圖、位移分布圖、節點受力等。
最後將實驗結果、模擬與相關研究三者之間作比較,分析切削力與進給量、最小切削厚度、尺寸效應、回彈比例之間的關係。
The technology required for micro cutting isn’t well established; the behavior of micro cutting is not fully understood. In this study, there are two methods to study the micro cutting. One is experiment. In the experiment, a micro machining platform is designed. The platform consists of several PZT to drive the work-piece (made of Cu) and a diamond tool which is fixed on the platform, the work-piece is moved by PZT to contact with diamond tool and the tool cut the work-piece. A load cell is mounted on diamond tool to measure the cutting force. The other is using ANSYS to simulate the micro cutting. Both in experiment and simulation, the cutting force in difference cutting depths, the minimum cutting depth, size effect and rebound ratio are studied.
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