研究生: |
馬大程 Ta-Cheng Ma |
---|---|
論文名稱: |
以切削性能資料庫進行電腦輔助製造程式設計之實現 Implementation of CAM Programming with Machinability Database |
指導教授: |
鍾俊輝
Chun-Hui Chung |
口試委員: |
林清安
Ching-An Lin 郭俊良 Chun-liang Kuo |
學位類別: |
碩士 Master |
系所名稱: |
工程學院 - 機械工程系 Department of Mechanical Engineering |
論文出版年: | 2017 |
畢業學年度: | 105 |
語文別: | 中文 |
論文頁數: | 101 |
中文關鍵詞: | NX二次開發 、加工部位辨識 、切削顫振穩定圖 、刀具路徑生成 |
外文關鍵詞: | NX secondary development, Processing parts recognition, Stability Lobe Diagram, Tool-path generating |
相關次數: | 點閱:428 下載:10 |
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近年來製造業面臨非常大的挑戰,包括產品生命週期變短,行業競爭激烈、產品更為複雜,最重要的是加工製程非常困難且精度要求提高,因此需要在限制的時間內,實現生產效率的最大化,綜合以上幾點,如何壓縮產品的生產設計與規劃時間,以及提升製程設計的穩定性是本研究之重心所在。傳統上,CAM設計非常仰賴設計人員之經驗,設計過程與工件製程、加工策略、加工參數、作業流程等層層相關,因此本研究以提升CAM設計人員的設計效率與提高設計的準確度為目標,藉由Siemens的CAD/CAM軟體NX所提供的應用程式介面(Application Programmimg Interface,簡稱API)進行開發,並搭配MySQL資料庫建立切削製程設計輔助程式,內有刀路規劃模組、選刀模組,以及切削顫振模組,在NX軟體中,利用本加工模組進行刀路設計,能藉由API之方式辨識設計者所選之加工部位,以產生適合零件的工法與相對應的加工策略,並生成切削刀具路徑,除此之外,切削顫振模組結合切削顫振穩定圖,可用來判斷加工參數的切削穩定性,圖中所顯示的安全區域即為可進行的切削參數範圍,可將此範圍與原先之加工參數加以比較並調整,以取得較好之參數,減少加工中發生顫振的可能性,如此一來藉由本研究所開發的加工模組即可加速設計人員刀路設計的速度與合理性,進而提高零件生產的效率。
This study aims to improve the design efficiency of CAM designers and the accuracy of the design. This study was developed by using the application programming interface (API) provided by Siemens CAD / CAM software NX. The database is used to set up the cutting process design assistant program, which includes the tool-path planning, the tool selection, and the cutting chatter modules. In the NX software, the use of the processing module for the tool-path design can recognize processing parts to produce suitable operation and corresponding processing strategy for the part. Finally, the cutting tool-path is generated. In addition, the cutting chatter module combined with the stability lobe diagram, which can be used to determine the cutting stability of the machining parameters. The stable area shown in the stability lobe diagram is the range of cutting parameters that would not introduce chatter. It can be compared and adjusted with the original designed machining parameters. Therefore, the developed modules in this study can reduce the time to design tool-path, and improve the reasonability of the cutting strategy. Furthermore, productivity will be increased.
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