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編號無錫太湖學(xué)院畢業(yè)設(shè)計(論文)題目:缸頭兩面鉆孔專機設(shè)計信機系機械工程及自動化專業(yè)學(xué)號:學(xué)生姓名:指導(dǎo)教師:(職稱:副教授)(職稱:)2013年5月25日無錫太湖學(xué)院本科畢業(yè)設(shè)計(論文)誠信承諾書本人鄭重聲明:所呈交的畢業(yè)設(shè)計(論文)缸頭兩面鉆孔專機設(shè)計是本人在導(dǎo)師的指導(dǎo)下獨立進行研究所取得的成果,其內(nèi)容除了在畢業(yè)設(shè)計(論文)中特別加以標(biāo)注引用,表示致謝的內(nèi)容外,本畢業(yè)設(shè)計(論文)不包含任何其他個人、集體已發(fā)表或撰寫的成果作品。班級:機械91學(xué)號:0923003作者姓名:2013年5月25日II摘要本課題是研究一臺對缸頭進行加工的兩面精鏜組合機床,主要是對組合機床的總體結(jié)構(gòu)、夾具和多軸箱的設(shè)計。首先概括了組合機床的發(fā)展,闡述了組合機床的低成本、高效率、操作使用簡單等優(yōu)點。然后是機床夾具的設(shè)計,采用“一面兩銷”的定位方式,使定位更準(zhǔn)確;通過誤差分析,夾緊力計算等確定夾具的總體結(jié)構(gòu)。其次是對組合機床的設(shè)計,關(guān)鍵是工藝方案的擬定,這大體決定組合機床的配置形式和使用性能,然后編制“三圖一卡”。最后是多軸箱的設(shè)計,通過工件的尺寸和加工孔的位置計算出主軸箱的輪廓尺寸;根據(jù)扭矩的計算得出主軸和傳動軸的直徑;通過類比法確定齒輪的模數(shù);通過“計算、作圖和多次試湊”確定齒輪齒數(shù)和中間傳動軸的位置。在總體設(shè)計過程中,首先通過計算所需功率選擇動力箱,然后根據(jù)主軸的分布情況選用多軸箱;之后根據(jù)動力箱和加工行程圖來選擇液壓滑臺,再由液壓滑臺選用配套的多軸箱;再配合裝料高度、滑臺、側(cè)底座相互位置等來確定中間底座的高度和長度。關(guān)鍵詞:組合機床;精鏜;缸頭;多軸箱IIIAbstractThistopicisthestudyofastationonbothsidesofthecylinderheadforprocessingfineboringcombinationmachine,mainlyontheoverallstructureofmachinetool,fixtures,andmulti-axledesign.Firstly,thispaperoutlinesthedevelopmentofcombinedmachine,expliansitsfeatureislow-cost,highefficiency,andwithsimpleoperationetc...Thentellsthemachinetoolfixturedesign,theuseof"locatingasurfacewithtwopins"positioningwaystomakemoreaccuratepositioning;througherroranalysis,fixtureclampingforcecalculationtodeterminetheoverallstructure.Secondly,thedesignisacombinationmachine,thekeyistheprogramdevelopmentprocess,whichlargelydeterminestheformofcombinationmachineconfigurationandperformance,andthepreparationof"thethreechartscard".Finally,theresearchisaboutmulti-axledesign,sizeandprocessingthroughtheworkpieceholepositioncalculatedheadstockoutlinedimensions;calculatedaccordingtothetorqueshaftandshaftdiameter;determinedbyanalogygearmodulus;throughthe"Calculation,mappingandrepeatedtrialanderror"OKgearandintermediateshaftposition.Intheoveralldesignprocess,firstselecttherequiredpowerbycalculatingthepowerbox,andthenchoosethedistributionofmulti-spindleaxle;afterpowerboxandprocessedaccordingtothechoiceofhydraulictraveldiagramslide,andthenthehydraulicmulti-slidesupportingoptionalaxle;togetherwithloadingheight,slide,sidestandeachothertodeterminethelocationofthemiddleofthebaseoftheheightandlength.Keywords:Aombinationmachine;Boring;Cylinderhead;Multi-spindleboxV目錄摘要............................................................................................................................................IIABSTRACT..................................................................................................................................III目錄...............................................................................................................................................III1緒論.............................................................................................................................................11.1本課題的研究內(nèi)容和意義...................................................................................................11.2國內(nèi)外的發(fā)展概況...............................................................................................................11.3本課題應(yīng)達到的要求...........................................................................................................12設(shè)計方案的確定.........................................................................................................................22.1工件的大小、形狀和加工部分的特點...............................................................................22.2生產(chǎn)率的影響.......................................................................................................................22.3經(jīng)濟性與可靠性...................................................................................................................23專用夾具的設(shè)計..........................................................................................................................33.1夾具的功用與組成...............................................................................................................33.2夾具的設(shè)計...........................................................................................................................33.2.1調(diào)研分析.........................................................................................................................33.2.2確定工件定位方式.........................................................................................................33.2.3確定工件加緊方式.........................................................................................................43.2.4必要的加工精度計算及分析.........................................................................................43.2.5夾緊力計算、分析.........................................................................................................44組合機床總體設(shè)計.....................................................................................................................64.1組合機床的組成...................................................................................................................64.1.1組合機床的特點.............................................................................................................64.1.2組合機床的工藝范圍.....................................................................................................64.1.3組合機床配置型式.........................................................................................................64.1.4組合機床的設(shè)計步驟.....................................................................................................74.2組合機床工藝方案的確定...................................................................................................74.2.1組合機床工藝方案的基本原則.....................................................................................74.2.2確定組合機床工藝方案應(yīng)注意的問題.........................................................................74.2.3工藝方案的擬訂.............................................................................................................84.2.4工序間余量的確定.........................................................................................................84.2.5刀具結(jié)構(gòu)的選擇.............................................................................................................84.3切削用量的確定...................................................................................................................84.3.1組合機床切削用量選擇的特點、方法及注意問題.....................................................94.3.2組合機床切削用量選擇方法及應(yīng)注意的問題.............................................................94.3.3確定切削速度和切削用量.............................................................................................94.3.4切削力、切削轉(zhuǎn)矩、切削功率...................................................................................104.3.5確定主軸類型、尺寸、外伸長度...............................................................................10