【正文】 .. 1 選擇電機的類型和結(jié)構(gòu)形式： ............................................................................. 1 電機容量的選擇 ..................................................................................................... 1 電機轉(zhuǎn)速確定 ......................................................................................................... 1 二、傳動裝置的運動和動力參數(shù)計算 ........................................................................ 2 分配傳動比及計算各軸轉(zhuǎn) 速 ................................................................................. 2 傳動裝置的運動和動力參數(shù)計算 ......................................................................... 2 三、 V 帶傳動設(shè)計 ........................................................................................................ 4 確定計算功率 ......................................................................................................... 4 選擇普通 V 帶型號 ................................................................................................ 4 確定帶輪基準直徑并驗算帶速 ............................................................................. 4 確定 V 帶中心距和基礎(chǔ)長度 ................................................................................ 4 驗算小帶輪包角 ..................................................................................................... 5 計算 V 帶根數(shù) Z .................................................................................................... 5 計算壓軸力 ............................................................................................................. 5 四、設(shè)計減速器內(nèi)傳動零件（直齒圓柱齒輪） ........................................................ 5 高速級齒輪傳動設(shè)計計算 ..................................................................................... 5 低速級齒輪傳動設(shè)計計算 ..................................................................................... 7 傳動齒輪的主要參數(shù) ............................................................................................. 9 五、軸的結(jié)構(gòu)設(shè)計計算 ................................................................................................ 9 高速軸的計算（ 1 軸） .......................................................................................... 9 中間軸的計算（ 2 軸） ........................................................................................ 12 低速軸的計算（ 3 軸） ........................................................................................ 14 六、軸的強度校核 ...................................................................................................... 17 高速軸校核 .......................................................................................................... 17 中間軸校核 ........................................................................................................... 20 低速軸校核 ........................................................................................................... 23 七、校核軸承壽命 ...................................................................................................... 26 高速軸 ................................................................................................................... 26 中間軸 ................................................................................................................... 26 低速軸 ...................