碳纖維增強(qiáng)復(fù)合材料成形齒槽銑削試驗(yàn)研究.pdf

1、聲明本學(xué)位論文是我在導(dǎo)師的指導(dǎo)下取得的研究成果，盡我所知，在本學(xué)位論文中，除了加以標(biāo)注和致謝的部分外，不包含其他人已經(jīng)發(fā)表或公布過的研究成果，也不包含我為獲得任何教育機(jī)構(gòu)的學(xué)位或?qū)W歷而使用過的材料。與我一同工作的同事對本學(xué)位論文做出的貢獻(xiàn)均已在論文中作了明確的說明。研究生簽名：紗lLr年3月咖學(xué)位論文使用授權(quán)聲明南京理工大學(xué)有權(quán)保存本學(xué)位論文的電子和紙質(zhì)文檔，可以借閱或上網(wǎng)公布本學(xué)位論文的部分或全部內(nèi)容，可以向有關(guān)部門或機(jī)構(gòu)送交并授權(quán)其

2、保存、借閱或上網(wǎng)公布本學(xué)位論文的部分或全部內(nèi)容。對于保密論文，按保密的有關(guān)規(guī)定和程序處理。研究生簽名：壘I堡受洲f年3研日AbstractAsoneofthemostadvancedmaterialsintheworld，CFRPhasSOmanysuperiorprioritieswhichthetraditionalmaterialcannotbematchButthelowthermalconductivity，anisotrop

3、yandlaminateds缸u(yù)cturalleadtothehighcuringforce，toolweal“seriouslyandbadmachinedsurfacequalitywhenformmillingtheCFRPThismakesCFRPcannotbespreadintheworldThispapermainlystudyonformmillingtechniqueoninternaltoothslotofthesa

4、botpartandprovidestechnicalsupportforCFRPusingonsabotThemainlycontentofthepaperandtheconclusionbellowing：f1)Formmillingtheinternaltoothslotwiththreedifferentnumbersofteethtoolsmadeincementedcarbide(CC)andonePCDtooltoinve

5、stigatethecuringforceandthecuttingforcechangelawTheresultsshowthecuttingforceincreaseswhenthefeedingspeedincreasesorthecuttingspeeddecreasesforallfourtools；inthesamecuttingparameters，thefourtoothCCtoolgetthelowestforcein

6、thesamematerialandthetwotoothCCtoolgetthehighestforce；inthesamecuttingparameters，thePCDtoolgetsalowercuttingforcethantheCCtool；(2)Analyzingthemachinedsurfacequalityinbothmacroscopicandmicrocosmicwaysandtheresultsshowthat

7、inthemacroscopicway，therearespalling，burr，largesurfacelayerspallingandlargeareauncutted；inthemicrocosmicway，therearefiberpulling。out，fiberunstick，delaminationandresinunevencoating；amongthefourtools，PCDtoolgetsthebestmach

8、inedsurfacedqualitywhilethecuttingspeedis295m／minandthefeedingspeedisO0113mm／t；thefourtoothCCtoolgetsthesecondbestqualityposition；(3)Usingtheplasticplateimprovesthemillingexitsurfacequalityandchangingthefeedingspeedtozer

9、oinspecificpositionmakesthemachinedsurfaceinslotsmoothandclean；(4)Inordertostudyonthetoolwear，anexperimentusingtheCCtoolandPCDtoolwhichhavethesamestructureWascarriedoutUsingthestereoscopicmicroscopeandSEMtoobservethemorp

10、hologyoftherakefaceandtheflankfaceTheresultsshowthatafterformmillingonCFRP，theCCtoolgetstipping，micro—tipping，toolnosecollapseandcraterwear；thePCDtoolgetsgrainshedding，tipping，micro—tippingandsurfacepeelingoff；thePCDtool