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1、中北大學(xué)課程設(shè)計(jì)說明書1目錄1設(shè)計(jì)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(jī)選擇............................................................................................................................................23動(dòng)力設(shè)計(jì)...............................

4、.............................................................................................................................23.1主軸剛度驗(yàn)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(jì)算C點(diǎn)撓度..........................................................................................................................

7、..33.2齒輪校驗(yàn)................................................................................................................................................43.3軸承的校驗(yàn).........................................................

8、...................................................................................5Ⅰ軸選用的是角接觸軸承7206，其基本額定負(fù)荷為30.5KN。.....................................................................54傳動(dòng)設(shè)計(jì)..............................

9、..............................................................................................................................64.1主傳動(dòng)方案擬定...................................................................................

10、.................................................64.2傳動(dòng)結(jié)構(gòu)式、結(jié)構(gòu)網(wǎng)的選擇................................................................................................................74.2.1確定傳動(dòng)組及各傳動(dòng)組中傳動(dòng)副的數(shù)目....................

11、............................................................74.2.2傳動(dòng)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(dòng)件的估算....................................................................................................................................................95.1V帶傳動(dòng)的計(jì)算...............

14、......................................................................................................................95.2傳動(dòng)軸的估算............................................................................................

15、..........................................115.2.1確定各軸轉(zhuǎn)速..........................................................................................................................115.2.2傳動(dòng)軸直徑的估算............................

16、......................................................................................135.3齒輪齒數(shù)的確定和模數(shù)的計(jì)算..........................................................................................................145.3.1齒輪齒

17、數(shù)的確定......................................................................................................................145.3.2齒輪模數(shù)的計(jì)算....................................................................................

18、..................................155.3.3齒寬確定..................................................................................................................................175.3.4齒輪結(jié)構(gòu)設(shè)計(jì)................................

19、..........................................................................................185.4帶輪結(jié)構(gòu)設(shè)計(jì).......................................................................................................................

20、...............185.5片式摩擦離合器的選擇和計(jì)算..........................................................................................................186結(jié)構(gòu)設(shè)計(jì)及說明.......................................................................

21、.......................................................................206.1結(jié)構(gòu)設(shè)計(jì)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(jì)............................................................................................

23、............................216.4齒輪塊設(shè)計(jì)...........................................................................................................................................216.5傳動(dòng)軸的設(shè)計(jì)................................

24、.......................................................................................................236.6主軸組件的設(shè)計(jì).........................................................................................................

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(rùn)滑

27、與密封................................................................................................................................26總結(jié).....................................................................................

28、................................................................................28參考文獻(xiàn)......................................................................................................................................

29、.......................29中北大學(xué)課程設(shè)計(jì)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(jì)算C點(diǎn)撓度⑴周向切削力的計(jì)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(dòng)力Q的計(jì)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(jì)算這里選用4382900系列雙

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