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研究生:丁郁宏
研究生(外文):Yu-Hung Ting
論文名稱:整合知識應用之自動化模具設計
論文名稱(外文):Automatic Mold-Design with Integrated-Knowledge Application
指導教授:鍾文仁鍾文仁引用關係
指導教授(外文):Wen-Ren Jong
學位類別:博士
校院名稱:中原大學
系所名稱:機械工程研究所
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:2013
畢業學年度:102
語文別:中文
論文頁數:80
中文關鍵詞:知識工程知識管理特徵辨識模具設計引導流程二次開發
外文關鍵詞:Feature RecognitionMold DesignKnowledge EngineeringSecondary DevelopmentKnowledge ManagementNavigating Process
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在全球化的競爭環境下,產品多變的需求與交期的縮短,是現今射出模具產業所面臨的挑戰,其中要設計出優良的模具,更是必須依靠有經驗的工程師來完成,而隨著電腦軟硬體技術發展快速,CAD/CAM軟體的演進及人工智慧技術的發展,將模具設計/製造的知識與CAD/CAM有效的整合與管理,可成為CAD/CAM技術的一大突破;因此,本研究主要在CAD軟體的架構下,透過二次開發工具,結合知識工程技術,針對產品模型曲面、邊及點的幾何關係,歸納出一套辨識倒勾的演算法且與模具設計整合,自動辨識出倒勾特徵,並產生滑塊及斜銷分模面設計,可減少85%的滑鼠點擊次數,在設計時間上平均可減少80%以上的時間;另一方面,以本體論的資訊技術,建構塑膠射出模具設計/製造流程、技術及產品的知識本體,並記錄相關產品資訊與設計時遇到的問題點,透過模具設計引導流程,達到標準化與知識化,協助模具的設計、製造與試模,累積設計過程中有價值的經驗知識,並提出一知識本體技術架構,未來透過語意推理與引導流程整合,能夠提供精準的歷史資料,以防範不當設計所造成的成本支出;本研究藉由學理化與知識化的整合,引導使用者快速地完成設計,並減少操作上可能產生的錯誤,對模具產業的生產效率,帶來大幅度的提昇與優化。

Since the competition has grown globally, nowadays mold enterprises need to meet the requirement of various products and the short manufacturing time. Especially the excellent molds have to be designed by experienced engineers. As the information technology has developed rapidly and the evolution of CAD/CAM software and artificial intelligence, it’s a great breakthrough to integrate and manage the knowledge of mold design and manufacture into CAD/CAM software. Under the framework of CAD software, this study combined knowledge-based engineering (KBE) technology, developed the undercut feature recognition by referring the points, lines and surfaces of product and integrated the mold design process. Once the undercuts are recognized, the process will create the corresponding slides and lifters automatically. The process can reduce 85% mouse-clicking times and save 80% design time, compared with traditional way. Moreover, this study applied ontology framework to create the knowledge ontology of the mold design navigating process, technologies and products, also record the problems happened in design stage. With the mold design navigating process the study can complete the goal of standardization and knowledge-management. The navigating process helps engineers in mold design, manufacture and test stages and accumulates valuable knowledge in the design stage. The study also established an ontology structure, which will integrate with semantic inference, so the process can provide the related cases in historical database to prevent the cost waste because of improper design. Based on the theory and knowledge integration, this study guides the users finish the design quickly and reduce the number of operational errors. Thus, this study will upgrade the efficiency of mold industry greatly.

摘要 I
Abstract II
致謝 III
目錄 IV
圖目錄 VI
表目錄 IX
第一章 緒論 1
1-1 研究背景 1
1-2 文獻回顧 5
1-3 動機與目的 9
1-4 本文架構 9
第二章 研究技術背景 10
2-1 引導流程架構 10
2-2 二次開發語言 12
2-3 使用者定義特徵(User-defined Feature, UDF) 13
2-4 知識工程 15
2-5 知識管理 16
2-5-1 本體論(Ontology) 18
2-5-2 語意網(Semantic Web) 19
第三章 整合自動化倒勾辨識之模具設計 20
3-1 產品頂出及開模方向 20
3-2 倒勾特徵的分類 20
3-3 倒勾辨識初始曲面 21
3-3-1 內倒勾初始曲面選擇 21
3-3-2 外倒勾初始曲面的選擇 22
3-4 內倒勾特徵辨識規則 23
3-4-1 內凸出倒勾特徵辨識 23
3-4-2 內凹陷倒勾特徵辨識 26
3-5 外倒勾特徵辨識規則 28
3-5-1 形成內輪廓之凹陷或穿透特徵 29
3-5-2 零碎曲面所組成的凹陷特徵 30
3-6 自動化模具設計 32
3-6-1 斜銷設計 32
3-6-2 滑塊設計 36
3-7 未成功辨識出之倒勾 38
3-8 線上報表 39
3-9 案例討論 40
3-9-1 內外倒勾特徵辨識 41
3-9-2 自動化斜銷設計 45
3-9-3 自動化滑塊仁設計 47
第四章 歷史知識管理 51
4-1 建構產品、引導流程、歷史知識的知識本體 51
4-2 知識管理架構 54
4-2-1 階層式清單 56
4-2-2 歷史專案資訊及問題點 57
4-3 整合模具設計/製造引導流程 59
4-4 案例討論 61
第五章 結論與未來展望 65
5-1 結論 65
5-2 未來展望 65
參考文獻 67
簡歷 70
投稿期刊 71
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