| 研究生: |
王靖霈 Wang, Chin-Pei |
|---|---|
| 論文名稱: |
三軸工具機誤差分析與量測 Error Analysis and Measurement of a Three-Axis Machine Tool |
| 指導教授: |
林昌進
Lin, Psang-Dain |
| 學位類別: |
碩士 Master |
| 系所名稱: |
工學院 - 機械工程學系 Department of Mechanical Engineering |
| 論文出版年: | 2002 |
| 畢業學年度: | 90 |
| 語文別: | 中文 |
| 論文頁數: | 75 |
| 中文關鍵詞: | 誤差分析 |
| 外文關鍵詞: | Homogeneous transformation matrix |
| 相關次數: | 點閱:84 下載:8 |
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產品的一致性是製造業所追求的目標,因此工作母機的精度要求是相當重要的,所以其在出廠前必須進行誤差檢驗並進行補償以提高精度。如何作誤差分析與補償成為不容忽視的課題。
工具機的硬體誤差分為桿件幾何誤差及接頭間的運動誤差。因此本論文旨在利用齊次變換矩陣,將三軸高速切削CNC雕刻機之刀尖實際位置以矩陣參數形式表示,而誤差即是實際的幾何參數與理想狀況的幾何參數之差值。
本論文內容尚包括利用雷射干涉儀作定位誤差量測與Ball Bar循圓量測,並且進行單軸定位誤差的軟體補償。誤差分析則是針對循圓檢測圖形變化,進行數學模擬,並比較所推導的三軸工具機誤差參數模式,找出誤差參數與圖形變化之關聯性。
The product consistency is one of the prime goals for the manufacturing industry. In order to achieve this goal, precision of the machining center become more and more important, thus the error test and error compensation must be applied to improve the precision of machining center. The error components considered in this thesis are errors in link dimensions and error motions caused by joint clearances.
Homogeneous transformation matrix has provided a generalized analytical basis for numerical analysis of the kinematical, the static, and the dynamic behavior of complex mechanisms. The purposes of this thesis are to utilize the homogenous transformation matrix to describe the cutting edges position of three axis machining center and to build an error model of it. Besides, this thesis also contains the examination of positioning error and the contouring error of this machining center.
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