【正文】 .......................... 3 選擇電動(dòng)機(jī)的類型 ............................................................................................... 3 確定電動(dòng)機(jī)的轉(zhuǎn)速 ............................................................................................... 3 選擇電動(dòng)機(jī) .......................................................................................................... 3 （二）計(jì)算傳動(dòng)裝置的總傳動(dòng)比 ⅰ ∑ 并分配傳動(dòng)比 ............................................................... 4 計(jì)算運(yùn)動(dòng)裝置的總傳動(dòng)比 ..................................................................................... 4 分配傳動(dòng)比 .......................................................................................................... 4 （三）計(jì)算傳動(dòng)裝置各軸的運(yùn)動(dòng)和動(dòng)力參數(shù) ..................................................................... 4 各軸的轉(zhuǎn)速 .......................................................................................................... 4 各軸的輸入功率 ................................................................................................... 5 各軸的輸入轉(zhuǎn)矩 ................................................................................................... 5 （四）傳動(dòng)零件的設(shè)計(jì)計(jì)算 .............................................................................................. 6 高速級(jí)斜齒圓柱齒輪傳動(dòng)的設(shè)計(jì)計(jì)算 ................................................................... 6 （ 1）選定齒輪的精度等級(jí)、材料及齒數(shù) ............................................................ 6 （ 2）按齒面接觸面強(qiáng)度設(shè)計(jì) .............................................................................. 6 （ 3）按齒根彎曲強(qiáng)度設(shè)計(jì) ................................................................................. 8 （ 4）幾何尺寸計(jì)算 .......................................................................................... 10 低速級(jí)斜齒圓柱齒輪傳動(dòng)的設(shè)計(jì)計(jì)算 ................................................................. 10 選定齒輪的精度等級(jí)、材料及齒數(shù) .............................................................. 10 按齒面接觸面強(qiáng)度設(shè)計(jì) ............................................................................... 11 按齒根彎曲強(qiáng)度設(shè)計(jì) ................................................................................... 13 幾何尺寸計(jì)算 ............................................................................................. 14 （五）軸的設(shè)計(jì) ............................................................................................................. 16 中間軸的設(shè)計(jì) .................................................................................................... 16 （ 1）作用在齒輪上的力 ................................................................................... 16 （ 2）確定軸的最小直徑 ................................................................................... 16 （ 3）軸的結(jié)構(gòu)設(shè)計(jì) .......................................................................................... 16 （ 4）中間軸的校核 .......................................................................................... 17 高速軸的設(shè)計(jì) .................................................................................................... 20 （ 1）作用在齒輪上的力 ................................................................................... 20 （ 2) 確定軸的最小直徑 ................................................................................... 20 （ 3）選擇聯(lián)軸器 ............................................................................................. 20 （ 4）軸的結(jié)構(gòu)設(shè)計(jì) .......................................................................................... 21 低速軸的設(shè)計(jì) .................................................................................................... 22 （ 1）作用在齒輪上的力 ................................................................................... 22 （ 2) 確定軸的最小直徑 ................................................................................... 22 （ 3）選擇聯(lián)軸器 ............................................................................................. 22 （ 4) 軸的結(jié)構(gòu)設(shè) .............................................................................................. 22 （六）軸承壽命的校核 ................................................................................................... 24 中間軸承的校 核 ................................................................................................. 24 二級(jí)展開式圓柱斜齒輪減速器設(shè)計(jì)說(shuō)明書 2 （ 1）軸承所受的軸向力和徑向力 ..................................................................... 24 （ 2）求軸承的當(dāng)量動(dòng)載荷 ............................................................................... 24 （ 3）驗(yàn)算軸承壽命 .......................................................................................... 25 (七 ) 箱體結(jié)構(gòu)及減速器附件設(shè)計(jì) ........................................................