【正文】 CAD/CAM 的軟件是比較合適的。本畢業(yè)設(shè)計(jì)選擇的課題基于 UG 夠?qū)崿F(xiàn)參數(shù)化設(shè)計(jì)；數(shù)控編程技術(shù)不僅可以對(duì)復(fù)雜的曲面模型進(jìn)行加工制造，而且還能夠保證零件的加工制造精度！我深切的感受到制造業(yè)的發(fā)展是基于這種模式不斷向前發(fā)展的 在 進(jìn)行畢業(yè)設(shè)計(jì)的過程中，學(xué)校老師給了我很大幫助，特別是要感謝 ***老師，感謝 他對(duì)我的畢業(yè)設(shè)計(jì)所做的工作。 [6] 李莉敏，劉劍等編著 . UG NX4 CAM 應(yīng)用案例教程，清華大學(xué)出版社 。t charge you more than 35% of your pensation if you win the case. If you are thinking about signing up for a damagesbased agreement, you should make sure you39。s Premier League match at Chelsea on Sunday. I am going to be at the match tomorrow and I have asked to meet Yaya Toure, he told BBC Sport. For me it39。s actions. CSKA said they were surprised and disappointed by Toure39?？傆X得自己自己似乎應(yīng)該去做點(diǎn)什么，或者寫點(diǎn)什么。t really grow up, it seems is not so important。 Originally, this world, can produce a chemical reaction to an event, in addition to resolutely, have to do, and time. 原來，這個(gè)世界上，對(duì)某個(gè)事件能產(chǎn)生化學(xué)反應(yīng)的，除了非做不可的堅(jiān)決，還有，時(shí)間。也曾經(jīng)好像已經(jīng)下定了決心去做某件事，但更多的時(shí)候是最后又打起了退堂鼓。 Those were broken into various shapes of stationery。突然想到那件藍(lán)格子襯衫；那些被折成各種各樣形狀的信紙；那段從街角深巷伊始的 友誼；還有那場還沒有開始就宣告了終結(jié)的邂逅計(jì)劃 …… 那些年那些天的非做不可，終于和青春一樣，都將在我們的人生中謝幕。t. Baumgartner still will free fall at a speed that would cause you and me to pass out, and no parachute is guaranteed to work higher than 25,000 feet (7,620 meters). cause there 38 。ll be traveling fast, so despite the distance, it will not be like diving into the deep end of a pool. It will be like he is diving into the shallow end. Skydiver preps for the big jump When he jumps, he is expected to reach the speed of sound 690 mph (1,110 kph) in less than 40 seconds. Like hitting the top of the water, he will begin to slow as he approaches the more dense air closer to Earth. But this will not be enough to stop him pletely. If he goes too fast or spins out of control, he has a stabilization parachute that can be deployed to slow him down. His team hopes it39。 Have declared the end of the encounter that haven39。那些曾經(jīng)所謂的非做不可，只是青蔥年華里自己給自己注射的一支強(qiáng)心劑，或者說，是自以為是的精神寄托罷了。s time, your ideas are always special to clear. Want, want, line is clear, as if nothing could shake his. Also once seemed to be determined to do something, but more often is he backed out at last. Dislike his cowardice, finally found that there are a lot of love, there are a lot of miss, like shadow really have been doomed. Those who do, just green years oneself give oneself an arm injection, or is a selfrighteous spiritual. 一個(gè)人的時(shí)候，自己的想法總是特別地清晰。t want to give vent to out your inner voice can be in the high school children of the feelings in a period, but was eventually infarction when graduation party in the throat, later again stood on the pitch he has sweat profusely, looked at his thrown a basketball hoops, suddenly found himself has already can39。 The end of our life, and can meet many things really do? 而窮盡我們的一生，又能遇到多少事情是真正地非做不可？ During my childhood, think lucky money and new clothes are necessary for New Year, but as the advance of the age, will be more and more found that those things are optional。 May be back in the past, to oneself the paranoid weird belief disillusionment, these days, my mind has been very messy, in my mind constantly. Always feel oneself should go to do something, or write something. Twenty years of life trajectory deeply shallow, suddenly feel something, do it. 一字開頭的年齡已經(jīng)到了尾聲。s 21 win. Michel Platini, president of European football39。s antiracism taskforce, is in London for the Football Association39。t agree with the disciplinary action your employer has taken against you ? your employer dismisses you and you think that you have been dismissed unfairly. For more information about dismissal and unfair dismissal, see Dismissal. You can make a claim to an employment tribunal, even if you haven39。 35 參考文獻(xiàn)： [1]朱彤 .計(jì)算機(jī)輔助制造 .北京：化學(xué)工業(yè)出版社， 2020 [2]王隆太 .機(jī)械 CAD/CAM 技術(shù) .北京：機(jī)械工業(yè)出版社， 2020 [3]王賢坤 .機(jī)械 CAD/CAM 技術(shù)、應(yīng)用與開發(fā) . 北京：機(jī)械工業(yè)出版社， 2020 [4] 孫祖和等編著 .UG NX CAD/CAM 與數(shù)控加工應(yīng)用實(shí)踐教程 ,機(jī)械工業(yè)出版社。在進(jìn)行加工仿真時(shí)，首先要先繪制加工 毛 坯，然后創(chuàng)建刀具 、幾何體父節(jié)點(diǎn)組，再生成加工刀軌操作，最后進(jìn)行加工過程的仿真。 25 點(diǎn)擊確定后生成工件程序。 如圖 38 24 生成車間工藝文件 點(diǎn)擊 圖標(biāo)，出現(xiàn)的界面如圖所示。 （粗車直至 減少到 ） 如圖 36 如圖 37 四、創(chuàng)建精銑四周 凸臺(tái) 操作 23 打開 ， 彈出對(duì)話 框選擇 ， 在子類 型中選擇 圖 標(biāo)，在 中用， 選擇 ， 中用直徑 9 的立銑刀， 中選確定。 22 在 中選擇 ,在切削參數(shù)中余量改 ，點(diǎn)擊生成。點(diǎn)擊生成 。 然后確定， 播放 。 創(chuàng)建工序操作 一、創(chuàng)建粗銑四周輪廓的操作 打開 ， 彈出對(duì) 話框 選擇 ， 在 子類 型中選 擇 圖 標(biāo)， 在 中用， 選擇 ， 中用直徑 15 的立銑刀， 中選確定。 切削參數(shù)的選擇 各工序刀具的切削參數(shù)見表 32 18 表 32 各工序刀具的切削參數(shù) 序號(hào) 加工面 刀具號(hào) 刀具類型 主軸轉(zhuǎn)速 r/min 進(jìn)給速度 Mm/min 刀具補(bǔ)償號(hào) 長度 半徑 1 粗 銑輪廓面 T01 φ 10 立銑刀 800 100 H01 2 精 銑輪廓 面 T02 φ 10 立銑刀 600 50 H02 3 精銑球面及圓角 T03 φ 10 球頭銑刀 900 25 H03 4 建立毛坯 打開建 立幾何試 圖 ，點(diǎn)擊 workpiece 指定部件 ，指定毛 坯選自動(dòng) 塊，確定，完成毛坯。在工件安裝時(shí)，要注意工件安裝，要放在鉗口中間部位。 14 如圖 29 如圖 210 15 如圖 211 4 繪制 二個(gè)面倒圓 點(diǎn) 求和 ,把工件合為一體。 如圖 26 13 如圖 27 如圖 28 3 繪制 一個(gè)凸臺(tái) 點(diǎn) 基準(zhǔn)點(diǎn)創(chuàng)建坐標(biāo)系 z 軸上升 5， 點(diǎn)草圖，在 xy 平面創(chuàng)建草圖 , 在原點(diǎn)上下畫 37/2 的直線，約束在 y 軸上，在原點(diǎn)左右 畫 ，約束在 x 軸上，在 x 軸上， y 軸左右畫 2個(gè)半徑 81 的圓，約束在 ，在畫 2 個(gè)半徑為 的圓，約束修剪如圖 29 所示。完成草圖，拉伸按圖紙要求繪制如圖 25 所示。