基于逆向设计的产品造型注塑件创新设计

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1、IntegratedMATLAB2010bsoftware,MicrosoftSQLServer2005databasetechnology,researchproductinformationmodelingpiecesfeaturelinedatabasesystemdevelopmentmethodsandtechnologiestoachievetheautomaticinformationmanagementofnumerouspiecesofcharacteristiclines,andgeometricsurfaces.Takingtheouter

2、surfacegeometryfeaturepointsonlineasthevaluepoints,applyingthestring-lengthparameterizationmethod,andtheleastsquaremethodofcalculationinordertomeettheaccuracyrequirements,constructingBcurve,andreplacecharacteristiclineswithit.Modelgeometryandsurfacefittingcanbeseenasatwo-stageBcurvef

3、itting,i.e.fittingeachcharacteristicslinehorizontalwithlineBcurvefittingfirstly.Onthebasisofthis,fittingBcurvevertically,sotoconstructaapproximategridsurface.Takeinvestigationonthetechniquesofreconstructionofagivenprecisionsurface,byapplyingcurvatureanalysisinPro/Ereconstructedsurfac

4、eerroranalysisApplicationofUGsoftwarewillautomaticallygenerateentitiespattern,decorateelectricvehiclefrontface(Matlabmodel)andgenerateanewfrontstylingdesign,SavetheMatlabmodelasSTEPformatbyPro/Esoftware.OpenMathematicalmodelandtherealpatternbysoftwareRhino,combinethepatternswithfront

5、faceofelectriccarbyUVexpandingfunction.Applicationofinnovativesolutionstothedigital-analogmodelingpartsdirectinjectionmolddesign.InthePro/EsoftwareimplementedbyBooleanmoldcavityandcorebuildnumber,andusePro/ENCmodules,post-processingmodulecanbepreparedCNCmachinecontrolsystemtorecogniz

6、etheNCprogram.Keywords:Pointclouddata;stylepiecesfeaturelines;Bcurves;reconstructedsurfaceerror;Surfaceinnovativedesign;injectionmolddesigniii万方数据目录第一章绪论..........................................................................................................................11.1课题研究的

7、背景..............................................................................................................................11.2国内外研究现状.............................................................................................................................11.2.1逆向工程在产品开发中应用与研

8、究现状.........