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1、中北大學(xué)課程設(shè)計說明書1目錄1設(shè)計內(nèi)容和要求................................................................................................................................................22參數(shù)的擬定...............................................
2、.........................................................................................................22.1確定公比...........................................................................................................
3、.................................2?2.2主電機選擇............................................................................................................................................23動力設(shè)計...............................
4、.............................................................................................................................23.1主軸剛度驗算.....................................................................................
5、...................................................23.1.1選定前端懸伸量C.....................................................................................................................23.1.2主軸支承跨距L的確定......................
6、......................................................................................23.1.3計算C點撓度..........................................................................................................................
7、..33.2齒輪校驗................................................................................................................................................43.3軸承的校驗.........................................................
8、...................................................................................5Ⅰ軸選用的是角接觸軸承7206,其基本額定負荷為30.5KN。.....................................................................54傳動設(shè)計..............................
9、..............................................................................................................................64.1主傳動方案擬定...................................................................................
10、.................................................64.2傳動結(jié)構(gòu)式、結(jié)構(gòu)網(wǎng)的選擇................................................................................................................74.2.1確定傳動組及各傳動組中傳動副的數(shù)目....................
11、............................................................74.2.2傳動式的擬定............................................................................................................................74.2.3結(jié)構(gòu)式的擬定............
12、................................................................................................................74.3轉(zhuǎn)速圖的擬定..................................................................................................
13、......................................85傳動件的估算....................................................................................................................................................95.1V帶傳動的計算...............
14、......................................................................................................................95.2傳動軸的估算............................................................................................
15、..........................................115.2.1確定各軸轉(zhuǎn)速..........................................................................................................................115.2.2傳動軸直徑的估算............................
16、......................................................................................135.3齒輪齒數(shù)的確定和模數(shù)的計算..........................................................................................................145.3.1齒輪齒
17、數(shù)的確定......................................................................................................................145.3.2齒輪模數(shù)的計算....................................................................................
18、..................................155.3.3齒寬確定..................................................................................................................................175.3.4齒輪結(jié)構(gòu)設(shè)計................................
19、..........................................................................................185.4帶輪結(jié)構(gòu)設(shè)計.......................................................................................................................
20、...............185.5片式摩擦離合器的選擇和計算..........................................................................................................186結(jié)構(gòu)設(shè)計及說明.......................................................................
21、.......................................................................206.1結(jié)構(gòu)設(shè)計的內(nèi)容、技術(shù)要求和方案...................................................................................................206.2展開圖及其布置..................
22、.................................................................................................................206.3I軸(輸入軸)的設(shè)計............................................................................................
23、............................216.4齒輪塊設(shè)計...........................................................................................................................................216.5傳動軸的設(shè)計................................
24、.......................................................................................................236.6主軸組件的設(shè)計.........................................................................................................
25、..........................246.6.1各部分尺寸的選擇....................................................................................................................246.6.2主軸軸承....................................................
26、................................................................................246.6.3主軸與齒輪的連接....................................................................................................................266.6.4潤滑
27、與密封................................................................................................................................26總結(jié).....................................................................................
28、................................................................................28參考文獻......................................................................................................................................
29、.......................29中北大學(xué)課程設(shè)計說明書3降低,應(yīng)取跨距L比最佳支承跨距大一些,再考慮到結(jié)構(gòu)需要,這里取L=600mm。0L3.1.3計算C點撓度⑴周向切削力的計算tP4295510dtjjNpDn????其中75.50.960.98dNKW????????max0.50.60.50.640020024024031.5minjjjDDmmDnr???????::取故,故。442955100.825.51.
30、151024035.5tpN????????41.121.73610tPPN???330.456.98100.355.4310NrtftPPNPP??????⑵驅(qū)動力Q的計算參考《車床主軸箱指導(dǎo)書》可得,72.1210NQnzn??其中75.50.960.984.5872335.5mindNNKWzmnr?????????所以744.582.12101.131047235.5QN???????⑶軸承剛度的計算這里選用4382900系列雙
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