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1、內(nèi)蒙古科技大學(xué)畢業(yè)設(shè)計(jì)說(shuō)明書(shū)內(nèi)蒙古科技大學(xué)本科生畢業(yè)設(shè)計(jì)說(shuō)明書(shū)題目:液性塑料心軸夾具設(shè)計(jì)及分析學(xué)生姓名:學(xué)號(hào):專業(yè):機(jī)械設(shè)計(jì)制造及自動(dòng)化班級(jí):機(jī)械06-8班指導(dǎo)教師:59內(nèi)蒙古科技大學(xué)畢業(yè)設(shè)計(jì)說(shuō)明書(shū)液性塑料心軸夾具設(shè)計(jì)及分析摘要心軸定位是機(jī)械加工中常見(jiàn)的一種定位方式,廣泛應(yīng)用于車、銑、鉆、磨等工序中,主要應(yīng)用于要求以內(nèi)孔為定位基準(zhǔn),并保證外圓軸線和內(nèi)孔軸線的同軸度要求或者螺栓孔對(duì)于中心孔有位置度要求的情況。本設(shè)計(jì)將以加工軸套類零件外表面為例來(lái)對(duì)塑料心軸進(jìn)行設(shè)計(jì)與制造,并對(duì)其夾緊力進(jìn)行分析,使其能準(zhǔn)確的夾緊
2、工件,實(shí)現(xiàn)高精度加工液性塑料定心夾緊機(jī)構(gòu)是彈性定心夾緊機(jī)構(gòu)的一種,是適應(yīng)近年來(lái)機(jī)械行業(yè)對(duì)零件的高精度要求出現(xiàn)的,效率高且極大的降低了成本.它以液性塑料作為介質(zhì),利用其不可壓縮性,可以將壓力均勻地傳遞給薄壁套筒或滑柱,使薄壁套筒或滑柱產(chǎn)生均勻的徑向彈性變形或位移而將工件定位和夾緊.液性塑料定心夾緊機(jī)構(gòu)的優(yōu)點(diǎn)在于定心精度高,其定心精度一般可以達(dá)0.005mm~0.01mm,最高達(dá)0.001mm,同軸度可達(dá)0.01mm~0.02mm.另外還用于多位夾緊,其夾緊迅速,夾緊力大且可靠.但對(duì)目前現(xiàn)在存在的各種局限性也
3、做了相關(guān)例舉?!讏D紙,加153893706關(guān)鍵詞:液性塑料;薄壁;高精度;心軸;夾具;彈性變形59內(nèi)蒙古科技大學(xué)畢業(yè)設(shè)計(jì)說(shuō)明書(shū)ThefixturedesignandanalysioftheliquidplasticsAbstractThelocationisamechanicalinacommonalignment,itiswidelyusedincars,innovation,andwornforimplementation,themainapplicationforaposit
4、iontowithinabenchmarkandmakesurethattheoutercircleofaxesandtheaxisoftheholeintherequestorboltholeinthecenterofagoodlocationfortherequirements.Thisdesignwillbeprocessedthepartsoftheexternalsurfaceoftypeofplasticmadetothedesignandmanufacture,andanalysis,the
5、forcetobeprecisegrip,highprecisionworktotheheartofplasticsprocessingbetweentheagency'sauthoritycentringbetweena,inrecentyearsmachineryindustrytothepartsofhigh-precisiondemand,highefficiencyandreducethecostofgreat。Withthefluidnatureoftheplasticforamedium,u
6、singitscompressibility,youcannotbeevenlyontoatubeortravellerunwieldilyflimsy,orslidecolumnsthatareunwieldilyflimsysetitproduceseventheradialdisplacementcompliancesorandaligningworkpiecesandgrip.Liquidplasticbetweensexualheartofheartishighprecision,thehear
7、tofthegeneralcan0.005mm~0.01mm,upto0.001mm,coaxialdegreesof0.01mm~0.02mm.alsousedformoregripandtheclampingforcefastandreliable.butnowtherearevariouslimitationsandtherelevantcases.…………………………………………………………………………………………………………………………………………………………………………………………………………
8、………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………。Keywords:thenatureoftheplastic;thin-wall;highaccuracy;spindle;fixture;elasticdeformation59內(nèi)蒙古科技大學(xué)畢業(yè)設(shè)計(jì)說(shuō)明書(shū)目錄摘要IAbstra