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1、cadcam（计算机辅助设计制造）ThethirdsectionintroducestheengineeringdesignsoftwareAtpresent,manycommercialengineeringdesignsoftwareshavebeenintroduced,andsomefamousengineeringdesignsoftwarearebrieflyintroduced.One,CATIAsoftwareCATIA(ComputerAidedThree-dimensionalInterface
2、Application)isCAD/CAE/CAMsoftwaresystemofDassaultaircraftcompanysubsidiaryofDassaultSYSTEMESandIBMjointresearchanddevelopment.Itisoneofthousandsofadvancedautomationdesign,manufacturingandengineeringanalysissoftware,mainlyusedinmechanicalmanufacture,engineering
3、designandelectronicsindustry.Mainfeatures:accordingtotheprocessofindustrialproduction,providetheuserfromconceptdesign,styledesign,detaileddesign,engineeringanalysis,equipmentandsystemsengineering,manufacturingandapplicationsoftwaredevelopmentprocessorienteddes
4、ignideasandsolutions;with1~15BeziercurvesurfaceandthenonuniformrationalBsplinewithcalculationmethod;astrongthree-dimensionalcomplexsurfaceprocessingandprogrammingskills,suitableforaircraft,carsandothercomplexmechanicalproductgeometrydesignandNCprogramming;user
5、interfaceprovidesunifieddatamanagement,datamoduleandapplicationprograminterfaceisfullycompatiblewiththe.Productfunctionmodule:three-dimensionaldesign,solidgeometry,advancedsurface,graphics,imagedesign,construction,CNCmilling,CNCturning,conduitinstallationandpi
6、peforming,robot,architecturaldesignandequipmentlayout,structureanddesignofsteelstructures,principlediagram,kinematics,finiteelementanalysis,interfacemodule,interactivegraphicalinterface,serviceaccessmanagement.Twodevelopmentinterfaces:Geometricinterface,userin
7、terface,graphicalinterface,industrialstandarddataconversion,databidirectionalconversioninterfaceandsoon.Two,UGIIsoftwareUGII(UNIGRAPHICSII)istheproductofEDScompany,itisasetofCAD,CAEandCAMasthedevelopmentofcomputeraidedmechanicaldesignsystem,suitableforaerospac
8、evehicles,automobiles,generalmachineryandmolddesign,analysisandmanufacturing.Mainfeatures:conceptualdesignfeatures,parametersandvariables;usingnonuniformBsplineasthemathematicalbas
