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沈阳理工大学硕士学位论文网络制造环境下基于STEP-NC的零件可加工性评价系统研究姓名:苏锋申请学位级别:硕士专业:机械设计及理论指导教师:舒启林20100301ISO14649ISO6983STEPSTEP-NCSTEP-NCCNCSTEP-NCSTEP-NCSTEP-NCSTEP-NCSTEP-NCSTEP-NCSTEP-NCVisualC++6.0Access2003STEP-NCSTEP-NCSTEPSTEP-NCSTEP-NCAbstractInternationalOrganizationforStandardizationhasdevelopedanewdatamodelstandardISO14649toreplacethecurrentISO6983standardrecently,whichistheexistingStandardofExchangeProductModelData(STEP)expendingtotheNCfield,soitiscommonlycalledSTEP-NC.STEP-NCdatamodelcontainsalloftheinformationfromroughtofinishedpieces,concerningthethree-dimensionalgeometricinformation,toolinformation,manufacturingfeatureinformationandprocessinformation.ThecompletenessoftheinformationlaidthefoundationforachievetheintelligenceofCNCsystem.Atfirst,thispaperintroducestheorigin,background,significanceofthetopicaswellasSTEP-NCresearchathomeandabroad.ThentheimportantconceptsofSTEP-NC,datamodel,manufacturingcharacteristicsandformsofrealizationaredescribedindetail,whichpavedthewayforthefollow-upissues.Throughtin-depthstudyofSTEP-NCstandard,thispaperhasproposedthepartmanufacturabilityevaluationmodelbasedontheSTEP-NC,theaimofwhichistoachievethemanufacturabilityevaluationforpartstobeprocessedonCNCmachiningtools.AsuitablemanufacturingresourcemodelformanufacturabilityevaluationofparyshasbeenconstructedbyanalyzingthedescriptionofpartsprocessingtechnologybasedontheSTEP-NCprograms.TheindexsystemandmethodsofmanufacturabilityevaluationforpartstobeprocessedwiththespecificmanufacturingresourcesonCNCmachinetoolshavebeenproposed.TheinformationextractionmoduleforSTEP-NCdatahasbeenimproved.TheworkpieceinformationbaseusedtosavetheextractedinformationaboutSTEP-NChasbeenestablishedinordertoprovidethebasisforthemanufacturabilityevaluation.ThemanufacturabilityevaluationsystemofPartsbasedontheSTEP-NChasbeendevelopedusingVisualC++6.0andAccess2003databaseandexperimentshaveverifiedthecorrectnessoftheevaluationmechanismandmethod.ThispaperstartingwithSTEP-NCstandardhasestablishedamanufacturabilityevaluationmodelofpartsbasedonSTEP-NCaccordingtotheprincipleandmethodologyofSTEPstandards.Fromatechnicalpointofview,thispaperhasestablishedrealisticandreasonableevaluationmechanismsandtheoverallprogram,whichwillprovideameaningfulreferencefortheintelligentmanufacturing.Keywords:STEP-NC,NCProgram,MachinabilityEvaluation,EvaluationModel:1-1-11.11.1.1STEP-NC2008S1991.1.2CNC50ISO6983GMCAD/CAMCNCG/M1997OPTIMAL(OptimizedPreparationofManufacturingInformationwithMulti-LevelCAM-CNCCoupling)STEPSTEP2001ISO-DIS-14649[1]ISO-DIS-14649STEPSTEP-NC[1,2],[3]STEP-NC-2-STEP-NC[4-6]1.G/MSTEP-NCSTEP-NC2.CAD/CAM/CNCCAD/CAMCNCCADCAMCNCCAMCADCNC3.G/MGSTEP-NCCAD/CAMCNCCNC4./STEP-NCPCCNC1.1.3[7][8],ISO69831-3-CAMNCNCNC[9-11]1.2.ISO69833.ISO6983CAD/CAMCNC4.CAD/CAMCNCCNCCAD/CAMCNCISO6983CAD/CAMCNCSTEP-NCSTEP-NCCAD/CAMSTEPCAD/CAMCNCSTEP-NCwhathowSTEP-NC-4-STEP-NCSTEP-NC1.2STEP-NC1.2.1STEP-NC21STEP-NC[12-25]1994STEP-NC(AachenUniversityofTechnology)(WZL)OPTIMALSTEP-NCOPTIMAL19992.5STEP-NCSimens840DCatiaVSCAMSTEP-NC(EDM)200110STEP-NC()STEP-ToolsSTEP-NC(SuperModelProject)ATPSTEP-NCIMS(IntelligentManufacturingSystems)20011-5-STEP-NC(STEP-CompliantDataInterfaceforNumericControls)OPTIMALSTEPISO6983STEP-NCSTEP-NCCAD/CAM/CAPP/CNCOMAC(OpenModularArchitectureController)STEP-NCSTEP-NCNewmanSTEP-NCSTEP-NC1.2.2STEP-NCSTEP-NCsoftSTEP-NCSTEP-NCXMLCAD/CAM/CNC[12,26]STEP-NCCNCSTEP-NCSTEP-NC/XMLCAD/CAPP/CNCSTEP-NC[27]STEP-NC[28]STEP-NCCAD/CAMCNC[29]STEP-NC[30]STEP-NCSTEP-NC[31-32]STDeveloperROSESTIXSTEP-NCROSESTEP-NCSTIXSTEP-NCDSPCPLD[29-38]STEP-NC-6-STEP-NC1.3ISO14649STEP-NCISO146491STEP-NCISO14649STEP-NC2STEP-NCSTEP-NC3STEP-NC4STEP-NCWINDOWSXPVC++6.0ACCESS2003STEP-NC1.4STEP-NCSTEP-NCCNCSTEP-CNC2STEPSTEP-NC-7-2STEPSTEP-NC2.1STEPStandardforExchangeofProductModelDataISOISO10303[43]STEPSTEPCAD2.2STEP2.2.1STEPSTEP2.1EXPRESSSTEPSTEPSTEP[43]STEP-8-Part11EXPRESSPart12EXPRESS-1Part21Par22SDAIPart23SDAIC++Part24SDAICPart27SDAIJavaPart28XMLPart31Part32Part23Part201Par202Part203Part224Part101Pa102Part41Part42Part432.1STEP2.2.2STEPSTEP1.ApplicationProtocolSTEPAAMARMAIMSTEPSTEP2.STEP2STEPSTEP-NC-9-STEPEXPRESSSTEPPart4xSTEPpart1xx2.2.3STEP[43]STEPEXPRESSCADCAPPCAMSTEP-10-2.3STEP-NCSTEPISO6983CNC-ISO14649STEP-NC,DataModalforComputerizedNumericalControllers[44]STEP-NCSTEPNCCAXCAXCNC2.3.1STEP-NCSTEP-NC()[60]STEP-NC[45]2.2STEP-NC…2.2STEP-NC[61]2STEPSTEP-NC-11-2.3.2STEP-NCManufacturingfeatureCAD[44],Transitionfeature2.5Tow5DManufacturingfeatureRegion2.32.52.5ManchiningfeatureReplicatefeatureCompoundfeature[12]2.5PlanarPocketSlotStepHoleGenericfeature2.3STEP-NC-12-2.3.3STEP-NC(Executable)(Workplan)NC(NCfunction)(Workingstep)NC(Executable)(Operation)STEP-NC(MachiningWorkingstep)(Rapidmovement)(Touchprobing)(MachiningWorkingstep)(Operation)(Millingmachiningoperation)WorkingstepWorkingstepWorkingstep(Technology)(Planemilling)(Drillingoperation)(Millingmachiningoperation)Technology(Millingtechnology)Turningtechnology2.3.4AP238(AIM)ISO14649(ARM)ISOSTEP-NCISOTC184/SC1ISO14649ARMISOTC184/SC4STEPAP238AIMISO14649STEP-NCARMAP238AIMISO146
本文标题:网络制造环境下基于STEPNC的零件可加工性评价系统研究
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