.單缸柴油機(jī)曲軸的強(qiáng)度設(shè)計(jì)及剛度計(jì)算、疲勞強(qiáng)度校核

《.單缸柴油機(jī)曲軸的強(qiáng)度設(shè)計(jì)及剛度計(jì)算、疲勞強(qiáng)度校核 》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在教育資源-天天文庫(kù)。

1、吉林大學(xué)《材料力學(xué)》課程設(shè)計(jì)設(shè)計(jì)計(jì)算說(shuō)明書(shū)設(shè)計(jì)題目：?jiǎn)胃撞裼蜋C(jī)曲軸的強(qiáng)度設(shè)計(jì)及剛度計(jì)算、疲勞強(qiáng)度校核圖號(hào)：7-2數(shù)據(jù)號(hào)：I-11班級(jí)：411105班學(xué)號(hào)：411105XX姓名：李偉2目錄一、設(shè)計(jì)目的·····················································2二、設(shè)計(jì)任務(wù)和要求···············································22.1設(shè)計(jì)計(jì)算說(shuō)明書(shū)的要求········································32.2分析討論及說(shuō)明

2、書(shū)部分的要求··································32.3程序計(jì)算部分的要求··········································3三、設(shè)計(jì)題目·····················································4四、設(shè)計(jì)內(nèi)容·····················································54.1畫(huà)出曲軸的內(nèi)力圖············································54.

3、2設(shè)計(jì)曲軸頸直徑d和主軸頸D··································74.3校核曲柄臂的強(qiáng)度············································824.4校核主軸頸H-H截面處的疲勞強(qiáng)度······························104.5用能量法計(jì)算A-A截面的轉(zhuǎn)角···························11五、分析討論及必要說(shuō)明···········································14六、設(shè)計(jì)的改進(jìn)措施及方法···

4、······································14七、設(shè)計(jì)體會(huì)·····················································15八、參考文獻(xiàn)·····················································16九、附錄·························································172一、設(shè)計(jì)目的本課程設(shè)計(jì)是在系統(tǒng)學(xué)完材料力學(xué)課程之后，結(jié)合工程實(shí)際中的問(wèn)題，運(yùn)用材料力學(xué)的基本理論

5、和計(jì)算方法，獨(dú)立地計(jì)算工程中的典型零部件，以達(dá)到綜合利用材料力學(xué)知識(shí)解決工程實(shí)際問(wèn)題的目的。同時(shí)，可以使學(xué)生將材料力學(xué)的理論和現(xiàn)代計(jì)算方法及手段融為一體，既從整體上掌握了基本理論和現(xiàn)代計(jì)算方法，又提高了分析問(wèn)題、解決問(wèn)題的能力；既是對(duì)以前所學(xué)知識(shí)（高等數(shù)學(xué)、工程圖學(xué)、理論力學(xué)、算法語(yǔ)言、計(jì)算機(jī)和材料力學(xué)等）的綜合運(yùn)用，又為后續(xù)課程的學(xué)習(xí)打下基礎(chǔ)，并初步掌握工程設(shè)計(jì)思路和設(shè)計(jì)方法，使實(shí)際工作能力有所提高。具體有以下六項(xiàng)：1.使所學(xué)的材料力學(xué)知識(shí)系統(tǒng)化、完整化。2.在系統(tǒng)全面復(fù)習(xí)的基礎(chǔ)上，運(yùn)用材料力學(xué)知識(shí)解決工程實(shí)際中的問(wèn)題。3.由于選題力求結(jié)合

6、專(zhuān)業(yè)實(shí)際，課程設(shè)計(jì)可把材料力學(xué)與專(zhuān)業(yè)需要結(jié)合起來(lái)。4.綜合運(yùn)用以前所學(xué)的各門(mén)課程的知識(shí)（高等數(shù)學(xué)、工程圖學(xué)、理論力學(xué)、算法語(yǔ)言、計(jì)算機(jī)等），使相關(guān)學(xué)科的知識(shí)有機(jī)地聯(lián)系起來(lái)。5.初步了解和掌握工程實(shí)際中的設(shè)計(jì)思路和設(shè)計(jì)方法。6.為后續(xù)課程的教學(xué)打下基礎(chǔ)。二、設(shè)計(jì)任務(wù)和要求參加設(shè)計(jì)者要系統(tǒng)復(fù)習(xí)材料力學(xué)課程的全部基本理論和方法，獨(dú)立分析、判斷設(shè)計(jì)題目的已知條件和所求問(wèn)題，畫(huà)出受力分析計(jì)算簡(jiǎn)圖和內(nèi)力圖，列出理論依據(jù)并到處計(jì)算公式，獨(dú)立編制計(jì)算機(jī)程序，通過(guò)計(jì)算機(jī)給出計(jì)算結(jié)果，并完成設(shè)計(jì)計(jì)算說(shuō)明書(shū)。242.1設(shè)計(jì)計(jì)算說(shuō)明書(shū)的要求設(shè)計(jì)計(jì)算說(shuō)明書(shū)是該題目設(shè)計(jì)

7、思想、設(shè)計(jì)方法和設(shè)計(jì)結(jié)果的說(shuō)明。要求書(shū)寫(xiě)工整，語(yǔ)言簡(jiǎn)練，條理清晰、明確，表達(dá)完整。具體內(nèi)容應(yīng)包括：（1）設(shè)計(jì)題目的已知條件、所求及零件圖；（2）畫(huà)出構(gòu)件的受力分析計(jì)算簡(jiǎn)圖，按比例標(biāo)明尺寸，載荷及支座等；（3）靜不定結(jié)構(gòu)要畫(huà)出所選擇的基本靜定系統(tǒng)及與之相應(yīng)的全部求解過(guò)程；（4）畫(huà)出全部?jī)?nèi)力圖，并標(biāo)明可能的各危險(xiǎn)截面；（5）危險(xiǎn)截面上各種應(yīng)力的分布規(guī)律圖及由此判定各危險(xiǎn)點(diǎn)處應(yīng)力狀態(tài)圖；（6）各危險(xiǎn)點(diǎn)的主應(yīng)力大小及主平面位置；（7）選擇強(qiáng)度理論并建立強(qiáng)度條件；（8）列出全部計(jì)算過(guò)程的理論根據(jù)、公式推導(dǎo)過(guò)程以及必要的說(shuō)明；（9）對(duì)變形及剛度分析要寫(xiě)明

8、所用的能量法計(jì)算過(guò)程及必要的內(nèi)力圖和單位力圖；（10）疲勞強(qiáng)度計(jì)算部分要說(shuō)明循環(huán)特征，的計(jì)算，所查各系數(shù)的依據(jù)，疲勞強(qiáng)度校核過(guò)程及結(jié)果,并繪出構(gòu)件的持久極限曲線。2