【正文】 Integrative Operation is realized and better acmodated for modeITi engineering needs． The results of this graduate design research indicate that:Through this part of the process analysis, modeling, processing, indepth understanding of the whole process of manufacturing of parts, processing is plete part processing requirements are met. Shape, trajectory and G code generation also made the most simple way to achieve the desired requirements. Key words： high— speed machining； NC programming； PowerMILL； processing technology III 目錄 .................................................................................................................................... 1 課題來源及研究的目的和意義 .......................................................................................1 高速切削的介紹 ...................................................................................................1 ........................................................................1 POWERMILL數(shù)控編程的意義 ........................................................................2 高速切削國內(nèi)外發(fā)展現(xiàn)狀 ..............................................................................................2 高速切削技術(shù)發(fā)展現(xiàn)狀及應(yīng)用 ..............................................................................3 ............................................................................3 .................................................................................................4 2． Powermill CAM 軟件簡介及策略分析 ....................................................................... 5 CAM 軟件簡介 ..............................................................................................5 CAM 技術(shù)與 PowerMILL 軟件 ...........................................................................5 Powermill軟件的獨(dú)特優(yōu)勢(shì) ............................................................................6 PowerMILL 軟件的主要功能及策略分析 ........................................................................8 PowerMILL 軟件數(shù)控加工刀具路徑質(zhì)量 ...................................................................... 10 軟件對(duì)數(shù)學(xué)模型和要求 ............................................................................... 10 標(biāo)準(zhǔn) ............................................................... 11 3．零件的建模與工藝分析及加工工藝注意事項(xiàng) ............................................................ 12 ............................................................................................... 12 PROE對(duì)零件進(jìn)行三 維建模 ............................................................................ 12 對(duì)如圖 34 零件進(jìn)行工藝分析 ............................................................................ 15 .................................................................................................................... 17 ...................................................................................................... 17 ............................................................................................... 17 .................................................................................................. 19 .................................................................................................. 21 .................................................................................................. 23 ......................................................................................................... 23 3.. ............................................................................ 23 4. POWERMILL 高速加工實(shí)例 ............................................................................................. 26 ........................................................................................ 26 POWERMILL 軟件應(yīng)用于數(shù)控編程的一般過程 ............................................................ 26 實(shí)例加工 .................................................................................................................. 27 零件一的加工過程 ............................................................................................. 27 ........................................................................................... 33 零件三的加工過程 ............................................................................................. 38 程序一、 ................................................................................................................... 44 程序二、 ................................................................................................................... 44 程序三、 ................................................................................................................... 45 IV 5. 結(jié)論和展望 .................................................................................................................... 46 ........................................................................................................................... 46 POWERMILL 的主要結(jié)論如下： ............................................................................. 47 ........................................................................................................................... 48 參考文獻(xiàn) .............................................................................................................................. 50 致謝 ...................................................................................................................................... 52 1 課題來源及研究的目的和意義 高速切 削的介紹 高速切削加工技術(shù)是 21 世紀(jì)的一種先進(jìn)制造技術(shù)，有著強(qiáng)大的生命力和廣闊的應(yīng)用前景。 [1] 高速切削加工作為機(jī)械制造中最為重要的一項(xiàng)先進(jìn)制造技術(shù)，是集高效、優(yōu)質(zhì)、低耗于一身的先進(jìn)制造技術(shù)。 隨著切削速度的提高，單位時(shí)間毛坯材料的去除率增加，切削時(shí)間減少，加工效率提高，從而縮短了產(chǎn)品的制造周期，提高了產(chǎn)品的市場競爭力。高速切削有著比傳統(tǒng)切削特殊的工藝要求，除了要有高速切削機(jī)床和高速切削刀具外，具有合適的 CAM 編程軟件也是至關(guān)重要的。 （ 2）全程自動(dòng)防過切處理能力及自動(dòng)刀柄干涉檢查能力 高速加工以傳統(tǒng)加工近 10 倍的切削速度進(jìn)行加工，一旦發(fā)生過切對(duì)機(jī)床、產(chǎn)品和刀具將產(chǎn)生災(zāi)難性的后果，所以要求其 CA