【正文】 ........... 16 核驗(yàn)工作機(jī)驅(qū)動卷筒的轉(zhuǎn)速誤差 ............................................................ 16 減速器各軸轉(zhuǎn)速，功率，轉(zhuǎn)矩的計(jì)算 ................................................................ 16 傳動裝置的傳動效率 ................................................................................ 16 各軸功率計(jì)算 ............................................................................................ 16 各軸轉(zhuǎn)速計(jì)算 ............................................................................................ 17 各軸轉(zhuǎn)矩的轉(zhuǎn)矩 ........................................................................................ 17 與電機(jī)聯(lián)接的聯(lián)軸器的選擇 .................................................................... 17 4 齒輪的設(shè)計(jì)計(jì)算 ................................................................................................................ 18 高速級齒輪傳動設(shè)計(jì)計(jì)算 .................................................................................... 18 選定齒輪類型、精度等級材料及齒數(shù) .................................................... 18 按齒面接觸強(qiáng)度設(shè)計(jì) ................................................................................ 18 按齒根彎曲強(qiáng)度設(shè)計(jì) ................................................................................ 20 幾何尺寸計(jì)算 ............................................................................................ 21 高速級齒輪傳動的幾何尺寸 .................................................................... 22 齒輪的結(jié)構(gòu)設(shè)計(jì) ........................................................................................ 23 低速級齒輪傳動設(shè)計(jì)計(jì)算 .................................................................................... 24 選定齒輪類型、精度等級材料及齒數(shù) .................................................... 24 按齒面接觸強(qiáng)度設(shè)計(jì) ................................................................................ 25 按齒根彎曲強(qiáng)度設(shè)計(jì) ................................................................................ 26 幾何尺寸計(jì)算 ............................................................................................ 28 低速級齒輪傳動的幾何尺寸 .................................................................... 28 齒輪的結(jié)構(gòu)設(shè)計(jì) ........................................................................................ 29 5 軸的設(shè)計(jì) ............................................................................................................................ 31 中間軸的設(shè)計(jì) ........................................................................................................ 31 選擇軸的材料 ............................................................................................ 31 軸的結(jié)構(gòu)尺確定 ........................................................................................ 31 按許用彎曲應(yīng)力校核軸 ............................................................................ 31 第 4 頁 共 51 頁 軸的細(xì)部結(jié)構(gòu)設(shè)計(jì) .................................................................................... 35 高速軸的設(shè)計(jì) ........................................................................................................ 35 選擇軸的材料 ............................................................................................ 35 軸的結(jié)構(gòu)尺寸確定 .................................................................................... 35 按許用彎曲應(yīng)力校核軸 ............................................................................ 35 軸的細(xì)部結(jié)構(gòu)設(shè)計(jì) .................................................................................... 38 低速軸的設(shè)計(jì) ........................................................................................................ 38 選擇軸的材料 ............................................................................................ 38 軸的結(jié)構(gòu)尺寸確定 .................................................................................... 39 按許用彎曲應(yīng)力校核軸 ............................................................................ 39 軸的細(xì)部結(jié)構(gòu)設(shè)計(jì) .................................................................................... 41 6 軸承的校核計(jì)算 ................................................................................................................ 42 高速軸軸承的校核計(jì)算 ........................................................................................ 42 作用在軸承上的負(fù)荷 ................................................................................ 42 計(jì)算當(dāng)量動負(fù)荷 ........................................................................................ 42 驗(yàn)算軸承壽壽命 ........................................................................................ 43 中間軸軸承的校核計(jì)算 ........................................................................................ 43 作用在軸承上的負(fù)荷 ................................................................................ 43 計(jì)算當(dāng)量動負(fù)荷 ........................................................................................ 43 驗(yàn)算軸承壽壽命 ........................................................................................ 44 低速軸軸 承的校核計(jì)算 ........................................................................................ 44 作用在軸承上的負(fù)荷 ................................................................................ 44 計(jì)算當(dāng)量動負(fù)荷 ........................................................................................ 44 驗(yàn)算軸承壽壽命 ........................................................................................ 45 7 鍵的校核 ............................................................................................................................ 45 高速軸鍵的校核 .................................................................................................... 45 中間軸鍵的校核 .................................................................................................... 45 低速軸鍵的校核 .................................................................................................... 46 8 減速器箱體結(jié)構(gòu)設(shè)計(jì) ........................................................................................................ 46 9 畢業(yè)設(shè)計(jì)小結(jié) ...............