基于實體的數(shù)控加工仿真關鍵技術的研究與實現(xiàn).pdf

1、南京航空航天大學博士學位論文基于實體的數(shù)控加工仿真關鍵技術的研究與實現(xiàn)姓名：盛亮申請學位級別：博士專業(yè)：航空宇航制造工程指導教師：廖文和20050301AbstractThisdissertationdoesresearchontheapproximateandprecisesimulationofNCmachining，basedonapproximatesimulationmodel，buildscuttingforcemodelo

2、fNCsimulation，optimizingthefeedrateofNCcodesIntegratingtheNetwaretechnologyandcollaborationideaswithNCsimulationtechnologybasedonprecisesimulationraisesandstudiescollaborativesolidNCsimulationandconstructsaplatformforWeb

3、serviceofNCsimulationFollowingarethemaincontents：1BasedonZbufferDexel，andRay—representation，Cuboidarray，approximatesolidmodels，wasraisedtostudyapproximatesolidNCsimulation，andcombined、ⅣimBreptorecordthemiddleresultofNCmi

4、llingmachiningandtochecktheinterferenceandovercutsRaiseLOVtOimplementthedynamicviewoperationandsectionviewerroranalysistoevaluatethesimulationresultUsethemethodofmodelingandthedisplaybasedondoublemodelrepresentationtodec

5、reasethefrequencyofrefreshingSOasteducetheuseofcomputerresource，andfinallyirnprovetheexecutingefficiencyofsystem2。Raiseamethod，calledWoup—leancirque，toconstructsolidscrewthreaddynamicallyinordertosupportthesimulationofth

6、escrewthreadwitIlvariablepitchormultithreadgivethealgorithmofdeterminationofMirrormachining，andtheanalysismethodoftheprocessingofNCMacrocodesInawayofcombination，constructthesweptvolumeofflatendcutters，ballendcutters，dome

7、endcutters，conicanglecuttersanddrillcuttersSolvetheintersectionwhentheradiusofthecirclepathislessthanoneofacuReLAnewmethodbasedondesignmodelisgiventodesearchonNCsimulationandvedfic，ationofmillingmachining，checkinginterfe

8、renceAndthisnewmethodWasalsoimplementedinNCsimulationandverificationoflathingmachiningBasedonComponentteehnologystudyNCcodespreprocessingand3DCADdataexchangingandviewing3FeedRateOptimizationthefurtherresearchofNCsimulati