简介：Hybridmodelsderivedfromrotationalsolidslikecylinders,conesandsphereswereimplementedonCATIAsoftware.Firstly,maketheisoscelestriangularprism,cuboid,cylinder,cone,sphere,andtheprismwithtangentconicandcurvedtriangleends,thecuboidwithtangentcylindricalandcurvedrectangleends,thecylinderwithtangentsphericalandcurvedcircularendsasthebasicBooleandeferenceunitstotheprimarycylinders,conesandspheresonsymmetricalandsomecriticalgeometricconditions,formingaseriesofvariantsolidmodels.Secondly,makethedeferenceunitsaboveasthebasicunionunitstothemaincylinders,cones,andspheresaccordingly,forminganothersetofsolidmodels.Thirdly,makethetangentendsofunionunitsintoobliqueconic,cylindrical,orwithrevolvedtriangularpyramid,quarterlycylinderandannulusendsonsketchbasedfeaturestothemaincylinders,cones,andspheresrepeatedly,thusformingstillanothersetofsolidmodels.Itisexpectedthatthesederivativemodelsbebeneficialbothinthestructuredesign,hybridmodeling,andfiniteelementanalysisofengineeringcomponentsandincomprehensivetrainingofspatialconfigurationofengineeringgraphics.

简介：ThreedimensionalmodelsofshaftwerecompletedonCATIAPartDesignmodulewiththeChinesenationalstandard(GB)processstructuressuchaschamfers,threadsandtoolwithdrawalgrooves,centerholes,flat/woodruff/gibheadtaperkeyseats,grindingundercuts,straight-sidedsplines,circlipslotsandcollars.ThemodelingstepsarearrangedindialogmenuinterfacebyVB6.0,theshaftcreator,thatpermitsusersinputgeometricfeaturebasedparametersexplicitly,andthestandardizedprocessdataarereorganizedinExcelfilesthatcanbeinvokedcorrespondinglyinthemodelingprocedure.Itisaimedthatthisprocessmaysupplyasimplewayforshaftrapidmodelingandcomprehensivedisciplineforengineeringstudentsintheirprofessionaldesignactivities.

简介：Modelofellipticaltrainerand3DhumanbodyarebuiltwiththeergonomicmoduleofCATIAV5tostudyergonomiccharacteristicsoffitnessequipmentsasapreliminaryevaluationofellipticaltrainer.

简介：Inordertosolvetheproblemoflowprecisionandcomplicationofthree-dimensionalmodelingaboutmicro-segmentgear,onemethodofsettinguptheaccurate3Dmodelisintroduced.Atfirst,theequationoftheprofilecurveandthededendumtransitioncurveissetup,andthecoordinatesofthewholetoothprofilearecalculatedbytheprogramdevelopedbyDephisoftware.AndthenthedataofcoordinatesisimportedtoCatia,three-dimensionalmodelingcanbegotthroughtheoperationsofrotating,mirror,incisionandarray.Themethodusedinthispaperisaccurateandsimple,whichsuppliestheacademicbasisofCAEanalysisandvirtualdesignformicro-segmentgearandrelevantproducts.