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研究生:張志方
研究生(外文):Chin-Fang Chang
論文名稱:結合CAD之產品公差資訊系統開發與應用
論文名稱(外文):Development and Application of a Product Tolerancing Information System Associated with a CAD System
指導教授:蔡志成蔡志成引用關係
學位類別:碩士
校院名稱:國立中興大學
系所名稱:機械工程學系所
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:2008
畢業學年度:96
語文別:中文
論文頁數:72
中文關鍵詞:電腦輔助設計公差網路公差分析應用程式介面
外文關鍵詞:CADtolerance networktolerance analysisAPI
相關次數:
  • 被引用被引用:2
  • 點閱點閱:216
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  • 下載下載:0
  • 收藏至我的研究室書目清單書目收藏:0
機械產業之設計人員透過電腦輔助設計(CAD)進行設計分析已為機械設計之主流,然而公差之設計卻多有賴於經驗傳承。本文以系統化方法,整合CAD模型中之幾何特徵與公差資訊,以及既有之公差分析軟體,以C++語言發展一產品公差資訊系統,提供設計者進行公差之設計與分析所需之資訊。
所開發之系統主要功能包括(1)擷取CAD之幾何特徵資訊,(2)擷取CAD之尺寸、公差及幾何公差資訊,(3)整合零件之公差網路資訊,(4)擷取CAD之組合件配合資訊,以及(5)整合組合件之公差網路資訊。透過上述功能將產品模型與公差資訊整合於資料庫,建構成電腦輔助公差設計所需要的資訊。本研究並以工具機單軸進給系統為例,應用所開發之軟體系統進行該進給系統之設計公差與配合資訊擷取以及建置其公差網路資訊,並依此資訊繪製公差網路,再結合既有公差分析軟體進行公差之變異累積,顯示本研究所開發之軟體系統已可應用於此範例之公差資訊擷取,並結合公差分析軟體進行公差分析。
Although the designers of Machinery Industry carry on product design and analysis through Computer Aided Design (CAD) which has already been the mainstream of mechanical design, yet tolerance design still depends on experience. This thesis is intended to integrate the geometric feature and tolerancing information in CAD model as well as existing tolerance analysis software to develop a product tolerancing information system by C++ to supply the information that the designers need.
The major functions of the developed system are summarized as follows: (i) to extract geometric feature information from CAD model; (ii) to extract geometric dimension and tolerancing from CAD model; (iii) to integrate part tolerance network information; (iv) to extract fitting information of part assembly from CAD model; and (v) to integrate product tolerance network information. By means of the above functions, the product model and tolerancing information are integrated into a database for constructing information required for computer-aided tolerancing design. A uniaxial feeding system of a machine tool is used as an example to illustrate the functions of the developed software system, including extracting product tolerancing and fitting information to construct its tolerance network. Variation analysis due to tolerancing of the feeding system is then conducted associated with existing tolerance analysis software. This example shows the validity of the developed tolerancing system.
摘要 I
Abstract II
誌謝 III
目錄 IV
圖目錄 VI
表目錄 IX
符號表 X
第一章 緒論 1
1.1 研究動機 2
1.2 研究方法 2
1.3 相關文獻回顧 4
1.4 本文架構 5
第二章 公差模型與公差分析 6
2.1 幾何特徵與公差之分類與表示法 6
2.1.1 特徵之定義與分類 6
2.1.2 特徵座標表示 8
2.1.3 拘束與公差之定義及分類 10
2.2 產品架構 11
2.2.1 零件組合圖 11
2.3.2 特徵組合圖 13
2.3 公差網路 16
2.4公差變異模型 18
2.5公差累積分析與精度變異釋放 23
第三章 產品公差資訊系統設計 26
3.1產品公差資訊系統架構與建構 26
3.2 幾何特徵資訊擷取與特徵判斷 29
3.3公差標註與公差資訊擷取 32
3.3.1尺寸公差資訊擷取 33
3.3.2幾何公差資訊擷取 36
3.4 配合資訊擷取 39
3.5公差網路資訊整合 41
3.5.1 零件公差網路資訊 41
3.5.2 組合件公差網路資訊 43
第四章 產品公差資訊系統應用 44
4.1幾何特徵與公差資訊攫取與資料庫建構 44
4.1.1 圖檔產生與尺寸公差標註 45
4.1.2 特徵公差資訊 48
4.2公差網路繪製 51
4.3公差之累積分析與精度變異釋放 56
4.4 本章結論 63
第五章 結論與討論 64
5.1 結論 64
5.2 未來展望 65
參考文獻 66
附錄A SolidWorks應用程式介面簡介及使用方法 70
A.1 SolidWorks環境與其應用程式介面 70
A.2 SolidWorks 應用程式介面使用方法 72
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