本文關(guān)鍵詞： 整體葉輪 數(shù)控展成電解加工 UG二次開發(fā) 仿真系統(tǒng)　出處：《江蘇大學》2017年碩士論文　論文類型：學位論文

【摘要】：數(shù)控展成電解加工技術(shù)綜合了數(shù)控技術(shù)和電解加工技術(shù)的優(yōu)點,并克服各自的不足,其工具陰極按照計算機數(shù)控指令運動,以電解“切削”的方式解決復雜型腔、型面的制造難題。經(jīng)過不斷的研究和發(fā)展,該技術(shù)逐漸完善,并受到越來越多的關(guān)注。隨著計算機仿真技術(shù)的飛速發(fā)展,在生產(chǎn)制造領域,加工仿真技術(shù)得到了很好的應用,不僅大大提高了生產(chǎn)效率,并節(jié)約生產(chǎn)成本,同時促進了先進制造技術(shù)的發(fā)展。本文以某航空發(fā)動機整體葉輪為研究對象,利用UG二次開發(fā)技術(shù),基于Visual C++6.0軟件,將數(shù)控展成電解加工技術(shù)和計算機仿真互相融合,開發(fā)出一套通用的五自由度數(shù)控電解加工仿真系統(tǒng),擴展數(shù)控展成電解加工技術(shù)的應用領域。首先,簡要介紹了整體葉輪的結(jié)構(gòu)特點并對其進行參數(shù)化建模和三維實體建模,并介紹其主要的制造方法,通過優(yōu)缺點分析和對比,為選用數(shù)控電解加工技術(shù)奠定了理論基礎,并肯定了該技術(shù)的優(yōu)勢。利用UG軟件的NURBS樣條等工具對整體葉輪進行參數(shù)化建模,并在UG中完成其三維實體建模。其次,分析了整體葉輪數(shù)控電解加工的工藝方案并進行仿真系統(tǒng)的開發(fā)。分析加工仿真的主要運動過程,利用UG軟件的UG/Open開發(fā)工具,根據(jù)仿真要求設計應用菜單和用戶界面。利用Visual C++軟件,根據(jù)整體葉輪數(shù)控展成電解加工的難點設計仿真程序,實現(xiàn)材料去除的過程模擬,并判斷加工過程中是否有碰撞或干涉等情況發(fā)生。最后,利用該仿真系統(tǒng)進行整體葉輪的加工路徑計算,加工誤差分析及其補償方法。分析試驗結(jié)果并與利用VERICUT數(shù)控仿真軟件的仿真結(jié)果進行比較,評價該仿真系統(tǒng)的有效性。研究結(jié)果表明,利用該仿真系統(tǒng)加工的整體葉輪精度高,葉片精度可達±0.1mm,表面質(zhì)量和葉片一致性良好。
[Abstract]:NC-ECCEM technology combines the advantages of CNC technology and electrochemical machining technology, and overcome their shortcomings, the movement of CNC tool cathode in accordance with the instructions, the electrolytic "cutting" way to solve the problem of complex cavity, manufacturing type surface. Through continuous research and development, this technology has gradually improved, and by more and more attention. With the development of computer simulation technology in the field of manufacturing, machining simulation technology is widely used, not only greatly improves the production efficiency, and saves the production cost, and at the same time to promote the development of advanced manufacturing technology. Based on an integral turbine as the research object, two times the development of the use of UG technology, Visual C++6.0 software based on the NC-ECCEM technology and computer simulation integration, to develop a common set of five degrees of freedom control electrolytic machining simulation Really, expand application area of NC-ECCEM technology. Firstly, this paper introduces the structural characteristics of integral impeller and the parametric modeling and 3D modeling of, and introduces its main manufacturing methods, through analyzing and comparing the advantages and disadvantages, laid the theoretical foundation for the selection of NC Electrochemical Machining Technology, and sure the advantage of this technology. Parametric modeling of integral impeller based on NURBS spline tool of UG software, and completes the 3D modeling in UG. Secondly, the paper analyzes the technology of integral impeller NC Electrochemical Machining and the development of the simulation system. The main motion analysis of machining simulation process using UG software UG/Open development tools, according to the design requirements of application menu and user interface. Using Visual C++ software, according to the design of simulation program of integral impeller NC-ECCEM, realize Simulation of material removal, and determine whether there is in the process of collision or interference. Finally, calculation of machining path of integral impeller with the simulation system, machining error analysis and compensation method. The test results and analysis using VERICUT software and NC simulation simulation results were compared, evaluation of the effectiveness of the simulation system the research results show that the precision of integral impeller processing using the simulation system of high accuracy of 0.1mm, leaf, leaf surface quality and good consistency.

【學位授予單位】：江蘇大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：TG662;TP391.7

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