難加工材料的高速切削.pdf

1、南京航空航天大學(xué)碩士學(xué)位論文難加工材料的高速切削姓名：王志剛申請學(xué)位級別：碩士專業(yè)：機(jī)械制造及其自動化指導(dǎo)教師：何寧2001.3.1——里塞壑塞壑圣查耋堡圭蘭堡墼圣ABSTRACTForlongtime，t11emachiningofdimculttomacllinematerialsisveryhardandu娼entproblemsinaviationandothermallufactllringindustriesThetlleo

2、retical，experimentala11d印plicationresearchonhl曲speedmachiningofNickelbaSeda110y，whichisoneofthemostdifficulttocutmaterials，wasreportedsystematicallyintlletllesisThemajorresearchworksareincludedasfbnows：Studiesondefo珊atio

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4、ecuningforces，empi—calequationaboutcer鋤icstoolsIT55HSCNickelbasedalloyisestablishedARerstudyingt11ehigh疳equencypartofcuttingforces，itcanbeobtail倫dthatmesehi曲fkquentforcesarecoming自omtllebumpingefrectofsawtoom—shapedbuIra

5、Ildfin—shapedchipedgesnldiesont001wearinhi曲speedmachillingThemorou曲investigationsandstIldiesweremadeont11et001wearform，wearprocessaIldwearmechallisminHSCofdi伍culttomacllinematerialswitllcemmictoolsandhea、Ⅳloadc眥mgwimcoat

6、edcarbidesThemajorwearmechanismfortlleHSCofNickelbasedalloysisinteractionsofabrasiVeⅥ忙姐adllesionwe虬micmbrealcoutaIldchippingStIldiesonnotchwearmodelfor也eHSCofNickelbaSedallOvWi也ceramictoolsItwaSprovedtllatquickdeveloping

7、notchwearistllecriticalfactorformecer鋤ict001lifeBasedonmeoreticalaIlalysesandcalculationsof11igllspeedcontinuousshockingforceandtoolnotchsurfacetemperatureactedbyburraIldse玎atedchipedge，anotchwearmodeloflowValuesn℃ssaIld

8、temperatIlreshockingf缸iguewaSestablishedBaSedonmeanalyslsofcuttingforcesandtoolwear，studyingoptimizationofmepmcessofHSCforNickelbaSedalloyAtfirst，accordingtot11et0011ife蠡gllre，t11ematerialoftoolssuita_bleforcuttingNickel