【正文】 ..................................................................................3 第三章 內(nèi)燃機部分參數(shù)的確定 .................................................. 1 內(nèi)燃機沖程數(shù)的選擇 ..........................................................................................................................1 汽缸數(shù)和布置方式的選擇 .................................................................................................................1 第四章 內(nèi)燃機各零部件的設(shè)計建模 ............................................. 1 活塞的設(shè)計建模 ...................................................................................................................................1 活塞的設(shè)計 ...............................................................................................................................1 活塞的三維建模 ......................................................................................................................1 活塞環(huán)的三維建模 ..................................................................................................................2 活塞銷的三維建模 ..................................................................................................................2 連桿的設(shè)計建模 ...................................................................................................................................3 桿的設(shè)計要求 .......................................................................................................................3 連桿的三維建模 ......................................................................................................................4 曲軸的設(shè)計建模 ...................................................................................................................................4 四川理工學院畢業(yè)設(shè)計（論 文 ） 2 .......................................................................................................................4 曲軸的三維建模 ......................................................................................................................5 飛輪的設(shè)計建模 ...................................................................................................................................5 .......................................................................................................................5 .......................................................................................................................6 曲軸軸承的設(shè)計建模 ..........................................................................................................................6 ..............................................................................................................6 ..............................................................................................................6 曲軸箱的設(shè)計建模 ...............................................................................................................................7 ..........................................................................................................7 曲軸箱后蓋的三維建模 .........................................................................................................8 發(fā)動機氣缸的設(shè)計建模 ......................................................................................................................9 ..........................................................................................................9 螺栓的設(shè)計建模 ................................................................................................................................ 10 ................................................................................. 10 ....................................................................................................... 10 第五章 利用 PRO/E 進行裝配設(shè)計 ............................................... 1 裝配注意的事項 ...................................................................................................................................1 活塞的裝配 ............................................................................................................................................2 曲軸飛輪的裝 配 ...................................................................................................................................3 總體的裝配 ............................................................................................................................................4 第六章 利用 PRO/E 進行運動仿真分析 .......................................... 1 機械仿真的作用和理念 ......................................................................................................................1 內(nèi)燃機的仿真過程 ...............................................................................................................................2 建立連接關(guān)系 ...........................................................................................................................2 設(shè)置伺服電機 ...........................................................................................................................4 機構(gòu)的運動分析 ...................................................................................................................................6 機構(gòu)分析結(jié)果的播放及錄制 .............................................................................................................7 測量活塞運動的數(shù)據(jù) ..........................................................................................................................9 活塞速度的測量 ................................................................................................................... 10 活塞加速度的測量 ............................................................................................................... 11 第七章 結(jié)論 ..................................................................... 14 參考文獻 .......................................................................... 1 致謝 ............................................................................... 2 四川理工學院畢業(yè)設(shè)計（論文 ） 1 第一章 緒論 課題的由來