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1、畢業(yè)設(shè)計(jì)（論文）題目雙面組合邃床設(shè)計(jì)學(xué)院名稱(chēng)指導(dǎo)教師職稱(chēng)班級(jí)學(xué)號(hào)學(xué)生姓名2012年5月28H雙面組合鉉床的設(shè)計(jì)摘要：本文以加工仃5■型柴油機(jī)曲軸箱的加工內(nèi)容為依據(jù),用層次分析法的思想研究了如何設(shè)計(jì)出滿(mǎn)足其加工精度和生產(chǎn)率要求的臥式雙面組合鎧床.此鎧床能對(duì)一種零件行多刀、多軸、兩面加工，生產(chǎn)效率高，加工精度穩(wěn)定.全文包括組合鋰床的總體設(shè)計(jì)和主軸箱設(shè)計(jì)兩大部分。機(jī)床的總體設(shè)計(jì)主要是在選定工藝方案并確定機(jī)床配置形式，結(jié)構(gòu)方案基礎(chǔ)上進(jìn)行被加工零件工序圖，加工示意圖，機(jī)床聯(lián)系尺寸圖和生主率計(jì)算卡的優(yōu)化與計(jì)算。經(jīng)過(guò)分析比較，確定零
2、件最優(yōu)加工方法是工件定在中間底座上，左頭主軸箱上加工q)113-(p87-(p79孔，擴(kuò)(p22孔,總(p28沉孔，右頭選用單軸箱完成(p49-(p43孔的加工。此結(jié)構(gòu)簡(jiǎn)單，經(jīng)濟(jì)并且能夠滿(mǎn)足加工要求O關(guān)于主軸箱的設(shè)計(jì)根據(jù)“三圖一卡”整理編繪出主軸箱的原始依據(jù)圖，重點(diǎn)分析傳動(dòng)系統(tǒng)，經(jīng)過(guò)各種方案的比較，最后確定的最優(yōu)方案：主動(dòng)軸負(fù)荷小，齒輪傳動(dòng)副的傳動(dòng)比小，結(jié)構(gòu)緊湊，主軸上的齒輪靠近前支承，主軸的扭轉(zhuǎn)變形式小。關(guān)鍵詞：柴油機(jī)曲軸箱；組合鋰床；三圖一卡；主軸箱SidedcombinationBoringdesignABSTR
3、ACT:Thisarticletakestheprocessescontentofthe175-dieselenginecrankcaseasthebasis,usingthethoughtofthelayeranalysismethodtostudyhowtodesignahorizontal-typetwo-sidecombinationboringlathe,whichisdesignedtosatisfyitsprocessingprecisionandtheproductivityrequest.Thisbo
4、ringlathecancarryonthemulti-knivestoonekindofcomponents,themultiplespindle,bothsidesprocessingononecomponent,keepinghighefficiencyandstableprocessingprccision.Thefiilltextincludesthesystemdesignofcombinestheboringlatheandtheheadstockdesignstwomajorparts.Themachi
5、netoolsystemdesignismainlyinthedesignationcraftplanandthedeterminationmachinetooldespositionform,inthestructureplanfoundationcarryingonworkingprocedurechartofprocessedthecomponents,theprocessingschematicdrawing,themachinetoolrelationdimensionaldrawingandthefresh
6、hostratecomputationcardoptimizationandthecomputation.Aftertheanalysiscomparison,themostsuperiorprocessingmethodcomponentsistheworkpiecefixesonthemiddlefoundation,intheleftheadstockprocesses113?87?79,104endsurfaces,expand22,counter28sinksthehole,andintherightitse
7、lectsthestalkboxtocomplete49-43processings?Thisstructureissimple,theeconomyandcansatisfytheprocessingrequest.Asforthedesignofheadstockcanbereorganizedastheprimitivebasischartaccordingtothe^threefiguresonecard^.Thepointanalysisspreadstomovesystem.Throughthecompar
8、isonofvariousprojects,wefinallydeterminethemostsuperriorplan:Thedriveshaftshouldersslightly,gear,drivevicevelocityratiosmall,structurecompactfront,onthemainaxlegeara
