tutorials and examples for beginners to catia version 5pdf.ebook777.com/031/b01he2tqj2.pdf ·...
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TutorialsAndExamplesforBeginnerstoCATIA–V5
FirstEdition
SaiNandyala
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Authors’Note:Thistextisintendedateducatingaerospace/aeronauticalengineeringandsciencescholars,mechanicalengineeringscholars,designengineers,andthoseinterestedinlearningnewdesigningsoftware.WiththeassistanceofthefacultyofSRMUniversity(India)DepartmentofAerospaceEngineering,thistextwasmade.ThisisasimpleguidetothebeginnersanditconsistsofeightdifferentexperimentstogetexperienceworkingwiththeMechanicalDesignSketcher,PartDesign,AssemblyDesign,andDraftingfeatureoftheCATIAVersion5byDassaultSystems.Eachexperimentinthistexthasitsrespectivefinalresultsandgeneralmeasurementsintermsoffigures.IfanyoriginaldesigningCATIAfilesarerequired,[email protected].
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Contents:
1. Introduction1. CAD2. CATIA
1. MechanicalDesignSketcher2. PartDesign3. AssemblyDesign4. Drafting
2. 2Dand3DDesignofSimpleStructuralComponents1. 2DObject12. 2DObject23. 3DObject14. 3DObject2
3. 3DimensionalDesignofTypicalWingStructure4. 3DimensionalDesignofLandingGearComponents
1. HeavyFlangeNut2. HeavyHexFlangeScrew3. Piston4. Shaft5. UpperSwayLink6. Strut7. WheelHub8. Wheel
5. LandingGearAssembly6. AircraftAssembly7. 3DimensionalDesignofBlowerComponents
1. Blower2. Cover3. LowerHousing4. Motor5. Shaft6. UpperHousing
8. BlowerAssembly9. DraftingofTypicalAircraft
10.Figures11.References
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1. IntroductionCADCADorComputerAidedDesignisanytechnicalsoftwarethatletsauserdesignandmaybeevendraftcertainmodelsonacomputerwithmultipleautomationpre-installedtomakethedesigningmucheasier.Thissoftwarereplacesmanualdraftingwhichusuallytakeshourstodesignamodelandfurtherprocessitformanufacturing.Intheindustrialsector,thistypeofdesignisthenewhypewhereprocessesaremucheasiertomanufacturing.
CATIACATIAisComputerAidedThreeDimensionalInteractiveApplicationwhichwasdevelopedbyaFrenchcompanyDassaultSystemes.Thesoftwareiscommonlyreferredtoas3Dproductlifecyclemanagementsoftwaresuitewhereitsupportsmultipleproductdevelopment,engineering,conceptualizationdesign,andmanufacturingfacilities.Itswidescopereachesvariousmechanicalandaerospaceindustrieswheredesigningfortheirpartsisdonemainlyonthissoftware.Itreplacesmanualdesignanddraftingsavinghoursoftimeanditisveryuserfriendly.
MechanicalDesignSketcher:1. Profile(toolsandicon)
Inthistoolbar,youcancreate2Delementswithsimpleuserinterface.Thetoolsinherecanbeclassifiedaspolyline,rectangle,circle,spline,ellipse,line,dashedline,axis,andpointrespectively.Undertherectanglecommand,circlecommand,splinecommand,ellipsecommand,linecommand,andthepointcommand,therearefurtherclassificationsofeachofthecategorieswhereadesiredoutlinecanbeproduced.Thepolylinecommandletstheuserdrawvariouslinesatvariousspeedswithbreaksgivenbysimpleclicks.Therectanglecommandletstheuserdrawrectanglessuchasanorientedone,parallelogram,elongatedhole,cylindricalelongatedhole,keyholeprofile,hexagon,centredrectangle,andcentredparallelogram.Thecircleoptionhasfurtherclassificationofathreepointcircle,acirclewithcoordinates,tri-tangentcircle,threepointarc,threepointarchwithlimitations,andanarc.TheEllipsecommandhasfurtherclassificationofaparabola,hyperbola,andaconicalellipse.Thelinecommandisfurtherclassifiedintoaninfiniteline,abi-tangentline,abisectingline,andalinenormaltothecurvatureofanycircleorradius.
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2.Operation
Intheoperationtoolbar,theuserhasfreedomtomodifyanexistingelementwithtoolssuchaschamfer,fillet,trim,mirror,andprojectionof3Delementsrespectivelyasshowninthediagram.Thetrimandmirroroptionshavefurtherclassificationsthathelptheuseraccessfurtherspecifications.Thetrimoptiongivestheuseranoptionforbreak,erase,closearc,andacomplement.TheMirroroptionisfurthergivenassymmetry,translation,rotation,scaling,andoffsetcommands.Theoperationtoolbarisgenerallyusedtochangethefigurebyremovinganyexcessorsmootheningouttheedgesorsuchapplications.
3. Constraint
Thistoolbarfortheconstraintsgivesustheabilitytochangetheconstraintsdefinedinadialoguebox,simpleconstraints,fixtogethercommand,animatedconstraintscommand,andeditmulti-constraintscommandrespectivelywiththediagram.Thistoolbarismainlyusedtomakethedimensionsforanyfigureandtofixthefiguretotheplanesoitdoesn’tmovewhenmoved.
4. SketchTools
Thesketchtoolsinthesketchtoolbarprovidetheusertochangetheinterfacewiththesoftware.Thetoolbaroffersthecommandssuchasthegridcommand,snaptopoint,construction,geometricconstraints,anddimensionalconstraints.Thegridcommandletstheuserunselectandselectthegridbehindthefigure.Thesnaptopointcommandletstheuserapplythefigurewithaprecisedimensionwithouttheuseofdimensionlines.Theconstructioncommandletstheuserplacehiddenlineswhiledesigningafigureofsomesort.Thisletstheviewerviewthehiddenlinesinaview.Itismainlyusedforconstructionbasedoperationsinthecivilindustry.Thegeometricanddimensionalconstraintsarejustutilizedforhavingageometricalordimensionalaccuracyinthedesign.
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5.Workbenches
TheworkbenchesarethetypesofinterfacesavailableintheCATIAsoftware.Thesoftwareallowsvariousfieldsofworkbenchessuchasinfrastructure,mechanicaldesign,shape,analysisandsimulation,AECPlant,machining,digitalmockup,equipmentandsystems,digitalprocessformanufacturing,machiningsimulation,andknowledgeware.Inthisdocument,onlythemechanicaldesignisconsidered.Themechanicaldesignhasfurtherclassificationsofpartdesign,assemblydesign,sketcher,productfunctionaltolerancingandannotation,welddesign,moldtoolingdesign,structuredesign,2Dlayoutfor3Ddesign,drafting,coreandcavitydesign,healingassistant,functionalandmouldedpart.Wearemainlyinterestedinlearningthepartdesign,assemblydesign,anddrafting.
6.View
TheviewtoolbarinCATIAismainlyusedforviewingpurposeswheretheusercanviewtheinterfaceandthedesignmadeontheinterface.Thistoolbaroffersfreedomfortheusertoaccesstheflymode,chooseoptionslikefitallin,rotate,move,zoomin,zoomout,normalview,createmulti-line,isometricview,shadingwithedges,hideorshowfigureorpart,andswayvisiblespace.Thefitallinoptionletstheusertocentrethefiguretotheaxisandthewholefigurecanbeviewed.Themoveandrotateoptionscanmodifytheorientationoftheobject.Thezoomoptionscanzoominandoutontotheinterface.Theisometricviewoptionisfurtherclassifiedintodifferentviewsunderit(back,front,bottom,top,leftside,rightside,etc.).
PartDesign:
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1. Sketchbasedfeatures(toolsandicon)
ThesketchbasedfeaturesonthepartdesignofthemechanicaldesignontheCATIAsoftwareismainlyusedtomakefeaturesonamodelorstructure.Thistoolbarconsistsofthecommandssuchaspad,pocket,shaft,groove,hole,rib,slot,solidcombine,multi-sectionsolid,andremovedmulti-sectionsolid.Thepadcommandletstheusertoextendafigurealongathirdaxisandelongateit.Thepocketcommandisusedtocreateacontractionorahole(notnecessarilycircular)throughamodeloranobject.Theshaftcommandletstheusertomakeatwodimensionalobjectrotatealonganaxistomakeathreedimensionalobject,forexample,shaftingarectanglealonganaxiswouldmakeacylinder.Theribandslotcommandsareusedtomakeribsandslotsonthemodel.Themulti-sectionsolidcommandletstheusermakesurfacesorsolidsconnectingtwoplanesortwosectionsorevenmore.
2.Dressupfeatures
Thedressupfeaturestoolbarinthepartdesignofthesoftwareisgenerallyusedtomodifytheobjectoramodelintheinterface.Thistoolbargivesthefreedomfortheusertouseoptionssuchasedgefillet,chamfer,draftangle,shell,thickness,threadortap,andremoveface.Theedgefilletcommandletstheusermakeasmoothcorneroranedgewitharadiusrelatingtoacircle.Thechamfercommandletstheusermakeasmoothlinedcornerwithoutaradius.Theshellcommandletstheusermakealargeportionoftheinnersideofanobjectberemoved.Theotheroptionshavetheirownapplicationsandallareusedformodifyinganobjectoramodelontheinterface.
3. Referenceelements
Thereferenceelementstoolbarisusedtomaintaindifferentelementswhichcanbeusedasreferencewhiledesigninganobject.Theseelementsincludeapoint,aline,andaplane.Thepointwouldbeazerodimensionalreferenceelement.Thelinewouldbeaonedimensionalreferenceelement,andtheplaneisatwodimensionalreferenceelement.Eachreferenceelementwhenselectedisoffsetatadistanceawayfromanotherreference.
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4. Sketcher
Thesketchercommandletstheuserselectatwodimensionalplaneorsurfaceofanobjectwheretheusercansketchadesignupon.Thisisveryessentialinordertomakeacomplexstructureinthreedimensions.Tomakearegulartwodimensionalsimplestructurealsorequiresthiscommandinordertochoosetheplane.Theplanesthatcanbechosenincludexyplane,yzplane,andxzplane.
AssemblyDesign:1. ProductStructuretool
Theproductstructuretoolbargivesthetoolswheretheusercanaddorremoveproductsfromtheassemblyinterface.Itconsistsofthecommandssuchascomponent,product,part,existingcomponent,existingcomponentwithpositioning,replacecomponent,graphtreereordering,generatenumbering,selectiveload,managerepresentations,andfastmulti-instantiation.Thesecommandseachhavetheirownpurposeandapplication.Forexampletheexistingcomponentswithpositioningcommandletstheuserloadthefirstpartintotheinterfaceandfixitontheinterfacesothispartcannotbemodifiedormovedtoanotherlocation.Thenfurther,theexistingcomponentscommandisusedtobringintheremainingpartsintotheassemblyinterface.
2.Move
ThemovetoolbarintheassemblydesignofthemechanicaldesignontheCATIAsoftwareisgenerallyusedtomoveandchangetheorientationofthepartsbroughtinontotheinterface.Themovetoolbarconsistsofoptionssuchasmanipulation,snap,explode,andstopmanipulationonclash.Themanipulationcommandletstheusermanipulatetheobjectbymovingitalongthex,yandz,directionsoreventhexy,yz,andxzplanes.Italsogivestheusertheabilitytorotateitalonganyaxispreferredandgiven.Theexplodeoptiongivesthefreedomtoseethedifferentpartsthatwereaddedintheassemblyinanexplodedviewwheretheyarenotattached.
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Thestopmanipulationonclasscommandletstheusertofixaconstraintwheretwoobjectsclassandthemanipulationcannotbeaccessedpastthisclash.Thisoptiongivesamorepracticalapproachtotheassembly.
3. Constraints
Theconstraintsoftheassemblydesignareverymuchalikeanyotherconstraintstoolbaronotherworkbenchesofthesoftware.Howeverthisconstrainsoffersdifferentoptionssuchascoincidenceconstraint,contactconstraint,offsetconstraint,angleconstraint,fixcomponent,fixtogether,quickconstraint,flexiblesubassembly,changeconstraint,andreusepattern.Thecoincidenceconstraintletstheusermakeaconstraintofcoincidencealongtwodifferentobjectsbasedonaxis.Thecontactconstraintletstheconstraintoccurbasedonthecontactofthesurfacesoftwobodies.Theoffsetconstraintletstheusermeasurethedistancebetweenthetwoobjectsandfixesthemtogether.Theangleconstraintletstheuserchooseananglebetweenthetwoobjects(generallyonthesurfaces)andfixtheminpositionwitheachotherandthereferenceaxis.Thefixcomponentoptionletstheusertofixthepartontotheassemblyinterface.Thefixtogetheroptionletstheusertofixtwoobjectswithrespecttoeachotherandmakeaconstraintbetweenthem.Thequickconstraintallowsaquickconstraintbetweentwoelementsoftwodifferentobjects.
4.Update
Let’ssaythatonceyouhavetheassemblydoneofaproductbutyouhadtochangeapartoftheproduct.Whenyougotothepartfileoftheobjectandchangeit,itmustbechangedontheassemblyoftheproductaswell.Thiscanbeachievedbyusingtheupdatecommandwhichupdatesthepartandthepartontheassemblydesign.
Drafting:1.Views
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TheviewtoolbaronthedraftingworkbenchofthemechanicaldesignontheCATIAsoftwareisquitedifferentfromotherworkbenches.Hereoptionssuchasviews,offsetview,detailedview,clippingview,brokenview,andviewcreationwizardarepresent.Theviewsincludefrontview,unfoldedview,viewsfromthreedimensions,auxiliaryview,isometricview,andadvancedfrontview.Eachoftheseoptionshavetheirownpurposeandapplications.Thedifferentviewsareusedtoselecttheplaneortheperspectiveofanobjectfromapointofview(front,top,back,etc.).
2.Dimensioning
Thedimensioningtoolbarisonewhichismainlyusedformaintainingandcreatingdimensionsanddimensionlinesonthedraftingworksheet.Thistoolbarincludescommandssuchasdimensions,technologicalfeaturedimensions,re-routedimensions,anddatumfeature.Eachofthesecommandshasitsownpurpose.Themaincommandusedwouldbethebasicdimensionsusedtomeasurelengthorvalueofsomething.
3.Annotations
Theannotationstoolbaronthedraftingworkbenchconsistsofcommandssuchastext,roughnesssymbol,andtable.Thetextcommandletstheusertypeinandplacespecifictextontotheinterface.Theroughnesssymbolisasymbolusedtoindicateroughnessontheobject.Thetablecommandletstheusertocreateatablewithspecifiedrowsandcolumnsontothedraftingportfolio.
4.Drawing
Thedrawingtoolbarisatoolbarintheprogramwhichconsistsofcommandssuchasnewsheet,newview,andinstantiateatwodimensionalcomponent.Ithelpstheuserinthecreationofanewsheetoranewview.
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5.Dressup
Thedressuptoolbaronthedraftingworkbenchonthesoftwaregivesusfreedomtodrawacentreline,areafillcreation,andarrows.Eachhavetheirownapplicationsandusedwhenappropriate.
6.Geometrycreation
Thegeometrycreationtoolbarofthesoftwareisverysimilartotheprofiletoolbaronthepartdesignworkbench.Heretheonlycommandsthatexistincludepoint,line,circle,andpolylineandsplinecommands.Thepointcommandletstheusertoplaceapointonthesurfaceoftheobject.Thecircleoptionhasfurtherclassificationofathreepointcircle,acirclewithcoordinates,tri-tangentcircle,threepointarc,threepointarchwithlimitations,andanarc.TheEllipsecommandhasfurtherclassificationofaparabola,hyperbola,andaconicalellipse.Thelinecommandisfurtherclassifiedintoaninfiniteline,abi-tangentline,abisectingline,andalinenormaltothecurvatureofanycircleorradius.Thepolylinefeatureprovidestheusertheabilitytocreateapolyline,rectangles,orientedrectangle,parallelogram,elongatedhole,cylindricalelongatedhole,keyholeprofile,hexagon,centredrectangle,andcentredparallelogram.
7.GeometryModification
Mostofthegeometricmodificationtoolbarisentirelybasedonthetoolsavailableinthepartdesign.Heremodificationisclassifiedintothreecategoriesincludingcorner,mirror,andgeometricconstraints.Theuserhasfreedomtomodifyanexistingelementwithtoolssuchaschamfer,fillet,trim,andmirror.Thecurveoptiongivestheuseranoptionforbreak,erase,closearc,createafilletorachamfer,andacomplement.TheMirroroptionisfurthergivenassymmetry,translation,rotation,scaling,andoffsetcommands.Thetoolbarforthegeometric
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constraintsgivesustheabilitytochangetheconstraintsdefinedinadialoguebox,simpleconstraints,fixtogethercommand,animatedconstraintscommand,andeditmulti-constraintscommandrespectivelywiththediagram.Thistoolbarismainlyusedtomakethedimensionsforanyfigureandtofixthefiguretotheplanesoitdoesn’tmovewhenmoved.
2.2Dand3DDesignofSimpleStructuralComponents2-DObject1Aim:
Tocreateatwodimensionalfront,top,andsideviewofthegivenobject.
Procedure:
1.Opentheapplicationfromyourdesktop.Thenclickstartandgotomechanicaldesigntoselectpartdesign.Here,thewindowshowsthreedifferentaxes(x,y,andz,respectively).
2.Selectthexyplaneandclickonthesketchbutton.Nowthewindowfallsdowntotheyzplanewhereyouarefreetodrawyourdesign.
3.Nowyoumaybegindrawingyourfrontalviewbyusingtheoptionpolylineundertheprofiletoolbar.Maketheoutlineofthefrontalviewwithoutexactdimensioningwiththisoption
4.Useconstraintscommandtoadjustthedimensionsandmaketheobject’sfrontalviewinthepropermeasurements.
5.Nowmoveontothetopviewwhereconsideringthedistancebetweenthebottomlineofthefrontalviewandthetoplineofthetopviewbearound50.Nowusetherectanglecommandtomaketherectangleof50x90.Thismakesuptheoutershapeofthetopview.Nowmaketheinnerspecifications.Youcanmaketherectangularholeusingtheoptionofelongatedholeundertherectanglecommandintheprofiletoolbar.
6.Useproperdimensioningstrategiesusingconstrainsandfixtheobjectusingthereferenceaxisofxandy.
7.Nowmakethesideviewusingthesameprincipleofpolylineanddimensioning
8.Makesuretheentireobjectishighlightedingreeninordertofixtheobjecttotheview.
9.Takethedistancebetweenthesideviewandthefrontviewtobe50anddrawthehiddenlinesandthecentrelinesasshowninthediagram.
Result:
Thetwodimensionalfront,top,andsideviewsoftheobjectarecompletedaccordingtotheprocedure.
Note:Thisobjectisshownasa3Dmodelunder“Figures”
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2-DObject2Aim:
Tocreateatwodimensionalfront,top,andsideviewofthegivenobject.
Procedure:
1.Opentheapplicationfromyourdesktop.Thenclickstartandgotomechanicaldesigntoselectpartdesign.Here,thewindowshowsthreedifferentaxes(x,y,andz,respectively).
2.Selectthexyplaneandclickonthesketchbutton.Nowthewindowfallsdowntotheyzplanewhereyouarefreetodrawyourdesign.
3.Nowyoucanbeginthefrontalviewofyourdrawing.Startwiththearcusingthecirclecommand.Maketwocirclesofradii50and25respectivelyfromthesamecentre.Nowmaketheentirerectangleof18x210withthebasecentreofthisrectanglekeptatthecentreofthecircle.
4.Useproperdimensioningusingtheconstraintscommandfromthewindow.Makesuretheobjectsareallfixedandhighlightedasgreen.Alsoensurethatyouusethetrimoptionandmakethedesigncorrespondingtothegivensheet.
5.Moveontomakingthetopviewoftheobjectbymakingthecentrerectangleadjacenttothefrontalviewarcwiththesizes100x70.Nowmakethesiderectanglesandusethecirclecommandtomakethetwosideportionsofthetopview.Usethetrimoptiontoremoveanyexcessregions.
6.Usetheconstraintscommandtomakeafixedviewoftheobjectandensurethattheobjectdoesn’tmovearoundifmoved.Finallymaketheinthemiddleofthistopviewofdiameter6tofinishworkingonthisview.Also,don’tforgettoconstraintthisholeandgiveitfixeddimensioning.
7.Nowmoveontothesideviewusingrectanglecommands.Makethegeneralshapeanddimensionitwiththeconstraintsoption.
8.Ensurethatthisviewisalsofixedtotheplanewithrespecttotheaxisandthattheproperdimensionsandconstraintsareused.Nowmakethehiddenlinesandthecentrelineswithdimensioningdonebyconstraintofinishtherequiredassignment.
Result:
Thetwodimensionalfront,top,andsideviewsoftheobjectarecompletedaccordingtotheprocedure.
Note:Thisobjectisshownasa3Dmodelunder“Figures”
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3-DObject1Aim:Tomakeathreedimensionaldesignofthegivenobject.
Procedure:1.Opentheapplicationfromyourdesktop.Thenclickstartandgotomechanicaldesigntoselectpartdesign.Here,thewindowshowsthreedifferentaxes(x,y,andz,respectively).
2.Selecttheyzplaneandclickonthesketchbutton.Nowthewindowfallsdowntotheyzplanewhereyouarefreetodrawyourdesign.
3.Clickonthepolylinefeatureontheapplicationandcreateyourbasicfrontalviewofthebottomrectanglewithdimensions20x90.
4.Thendrawwithanotherpolylinethepartitionof10x10asshownonthemeasurementsheet.
5.Usethetrimoptionontheeraseoptiontoremovetheotherpartofthelineattachedtothedesign.Nowyouhavethebasedone.
6.Exitworkbenchandpadthedrawingthatwasjustmadeandpadittoanextentof50units.
7.Clickonthetopportionofthedesignonthexyplaneandclicksketch.Hereyoumaydrawarectangleofdimensions40x50correlatingtotheedgesofthebiggerbaserectangle.
8.Makesurethedimensionsofallthedrawingsarementionedproperlyasthosewouldfixthedrawingstotheplaneindicatedbyagreenhighlightedcolour.Thiscanbedonebyusingtheconstraintcommand.
9.Exittheworkbenchandusetheoptionofreferenceplanetocreateareferenceplane60unitsabovetheyzaxis.
10.Heredrawthetopportionofyourdesignmeasuring20x20.Nowexittheworkbenchagain.
11.Usethecommandofmulti-sectionsolidsandselectthetwodrawingsof20x20and50x40andbringthemtogether.Ifyourdrawingappearstwisted,itbasicallymeansthatthedirectionsoftheclosingpointsarenotcorrelated.Tohavethiscorrelationdone,youneedtoreplacetheclosingpointoneitherdiagramtothecorrectcorrelatedlocation.Thiscanbedonebyrightclickingthesketchonthemulti-sectionssolidwindowandchoosingtheoptionofreplacingtheclosingpoint.
12.Nowmaketheelongatedholediagramontheothersideofthediagram.Choosetherightmeasurementsandensurethatallthedimensionsareunderconstraint.Afterdrawing
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theelongatedhole,exittheworkbench.
13.Youmaynoticethatthisdiagramyoujustdrewonthesurfaceoftherectangularsolidishighlightedinorange.Choosetheoptionofpocketandmakeaholethroughtheelongatedholediagram
14.Yourdiagramisnowfinishedandreadyforfurtherapplications.
Result:Thethreedimensionaldesignofthegivenobjectisdoneaccordingtotheprocedure.
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3-DObject2Aim:Tomakeathreedimensionaldesignofthegivenobject.
Procedure:1.Opentheapplicationfromyourdesktop.Thenclickstartandgotomechanicaldesigntoselectpartdesign.Here,thewindowshowsthreedifferentaxes(x,y,andz,respectively).
2.Selecttheyzplaneandclickonthesketchbutton.Nowthewindowfallsdowntotheyzplanewhereyouarefreetodrawyourdesign.
3.Startthedesignbydrawingthetwocirclesof25and50radiirespectively.Useapolylinetolimittheirlengthsandtoconnectthem.Useconstrainttofixthemtothelocationandtheplane.
4.Exittheworkbenchandpadthefigureto70mm.Nowclickonthexyplaneandgetontosketch.
6.Nowdesignthetwootherpartofthedesignwhereyoumakearectangleof50x30.Itwouldbebetterifyoutakethe30as40where10unitswillbeprojectedintotheoriginaldesign.Theremaining30unitswouldmakeupyourdesign.Hereyouneedtoconstraintitwithrespecttotheaxisandtheoriginalradiidesign.
7.Usethecircleoptiontomaketheoutercircleofradius25andaninnercircleofdiameter16onthecentreoftheouterlineoftherectangle.Thentrimorerasetheexcessline.
8.Youcansavetimeinthisprocessbymirroringtheimageontotheothersideoftheaxisbythemirroroption.Thisensuresyouthatyouneednotredothebasicfigureontheothersideofthediagramandsavesalotoftime.Exittheworkbenchandpadthetwosidesofthedesignby18units.
10.It’stimetodrilltheholeontopofthediagramandthiscanbedonebyusingtheholecommandfoundinthesoftware.Afteryouchoosetheholecommand,itissuggestedthatyouclickonthelocationofthedesiredfigureontheproduct.Thiscanbedonebyclickinganywhereonthetopviewoftheproductoverthetoppartofthearcoftheproduct.Now,choosetheoptiontopositiontheholewithrespecttotheplanethatcanbefoundintheholecommandwindow.Positiontheholewiththecorrectdimensionstothecentreofthegraphortheproductandthenrilltheholewiththegivendiameter.
Result:Thethreedimensionaldesignofthegivenobjectisdoneaccordingtotheprocedure.
3.3DimensionalDesignofTypicalWingStructure
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Aim:Tomakeathreedimensionaldesignofthewingofanaircraft.
Procedure:1.Opentheapplicationfromyourdesktop.Thenclickstartandgotomechanicaldesigntoselectpartdesign.Here,thewindowshowsthreedifferentaxes(x,y,andz,respectively).
2.Selecttheyzplaneandclickonthesketchbutton.Nowthewindowfallsdowntotheyzplanewhereyouarefreetodrawyourdesign.
3.Importthespecificfileoftheaerofoilfromthegivenworddocumentwhichcontainsapre-programmedmeasurementsanddimensionsinstalledinit.Afterimporting,youhavethecrosssectionalviewofthewingorcommonlyknownastheaerofoil.
4.Youneedtousethisdiagramtodrawyourfurtherelementsoftheaerofoil(thecirclesandrectanglesasshowninthedesignsheet).Ensurethatproperdimensioningisgivenontheseelementsoftwodimensionsbyusingconstraints.
5.Exittheworkbenchandselectthereferenceplaneoption.Addareferenceplane100unitsawayfromtheoriginalreferenceplane.Nowgobacktothefirstplaneandcopythetwodimensionalfigureontothesecondplanethatyoujustreferenced100unitsaway.
6.Similarlymake6otherplanes100unitsawayfromeachotherandensurethatthefigureiscopiedontothethirdandthefourthplanealone.Ensurethatthetotalplaneswiththefigurewouldonlybethefirstfourplanes.
7.Nowcopythesamefigureontothefifthplanebuthere,youneedtoadditionallychangethescalingoftheplane.Youcandothatbyusingthescaleoptionfromtheoperationtoolbar.Hereyoucanselectthescalingofthemodel.Youneedtodecreasethesizeoftheaerofoilfromthisplaneonwards,soselectthescalingtobe0.9timestheoriginalsize.
8.Exittheworkbenchanddoasimilarscalingforthesixthplaneat0.8factorofscaling.
9.Exittheworkbenchanddoasimilarscalingfortheseventhplaneat0.7factorofscaling
10.Exittheworkbenchanddoasimilarscalingfortheeighthplaneat0.6factorofscaling
11.Exittheworkbenchandnowitistimeforpaddingoftheaerofoils.Selectthepadcommandfromthesketchbasedfeaturestoolbarinthewindowandpadtheaerofoilonthefirstplanewithadepthof5units.Padthesecondplane’saerofoilwiththesamewidth.Similarlycontinuepaddingall8oftheplanes.
12.Itisnowtimetomakeawingtipinordertodecreasethevorticesoftheflow.Thiscanbedonebyusinganotherreferenceplanefromtheeighthplanebya100units.Herecopythesameaerofoilstructureandscaleitdownto0.2ofthescalingfactor.Alsopadthisaerofoilalsoby5unitsofwidth.
13.Itisnowtimetomaketheironframestructurebetweentheaerofoilsintheframe.This
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canbedonebyusingthemulti-sectionssolidcommandfromthesketchbasedfeaturestoolbarandtheprojectionof3Delementscommandfromtheoperationstoolbarinthetwodimensionalviewofthesketch.
14.Youneedtousethisprojectionofthreedimensionalelementscommandtoaddareferenceelementineachofthesketch.Startwiththeplane9withtheaerofoilofscaling0.2andmoveuptheplaneuntilplane5.Thishastobeachievedbyonlyusingtherectangularelementsoftheaerofoilcrosssectionalviews.
15.Afteralltheelementshavebeenprojectedfromplane9toplane4ofboththerectanglesineachplane;youneedtousethemulti-sectionssolidcommandfromthesketchbasedfeaturestoolbartomaketheframebetweenthosewhitehighlightedelementsthathavebeentheoutputofthepreviousstep.
16.Nowyouneedtodoasimilarprocedureofprojectingtherectanglesofplane4andplane1aloneandconnecttheframesofplanefourtoplane1usingthemulti-sectionssolidcommandfromthesketchbasedfeaturestoolbar.Afterthisprocedure,youmayhavethebasicframeworkofanaircraftwingdoneanditisnowthetimeforthesurfacecreation.
17.Usethesamecommandofprojectionof3Delementscommandfromtheoperationstoolbarinthewindowandselecttheaerofoilsplanes(justtheouterstructure)ofeveryplaneandforboththetopandthebottomsectionsoftheaerofoilsineveryplane.Nowusethecommandofmulti-sectionssurfacecommandtomakeasurfacebetweeneveryaerofoilineveryplane.Ensurethatthissurfaceisdonebothonthetopandthebottomsideofthewing.Nowyourwingoftheaircraftisfinished.
Result:Thethreedimensionaldesignofthewingofanaircraftiscompletedwithrespecttotheproceduregiven.
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4.3DimensionalDesignofLandingGearComponentsThelandinggearofanaircraftcanbeachievedbydesigningthefollowingcomponents:
a.HeavyFlangeNutb.HeavyHexFlangeScrewc.LowerSwayLinkd.Pistone.Shaftf.UpperSwayLinkg.Struth.WheelHubi.Wheel
HeavyFlangeNutAim:
Tomaketheheavyflangenutfortheassemblyofthelandinggear
Procedure:
1Opentheapplicationfromyourdesktop.Thenclickstartandgotomechanicaldesigntoselectpartdesign.Here,thewindowshowsthreedifferentaxes(x,y,andz,respectively).
2.Selectthexyplaneandclickonthesketchbutton.Nowthewindowfallsdowntotheyzplanewhereyouarefreetodrawyourdesign.
3.Makethegeneralshapeofapentagonwithequalsidelengthsusinglinesandcirclesonthesketchplaneofxy.
4.Exittheworkbenchandpadthepentagonto16units.Nowfromonesideofthepentagon,makeasketchonthesurface(eithertoporbottomofthepentagon)ofacircleofdiameter21.
5.Nowyouneedtopadthiscircleoutthepentagonalprismtoadepthofabout4units.
6.Itistimetochamfertheroughsurfacesonthecylinder’stwoends(theoneattachedtotheprismandtheotherend).Thechamfercommandletsyouselectthisprocessandchamferitataradiusofabout1.08units.
7.Nowdrillaholeofdiameter14andadepthofabout18.54units.
Result:
Theheavyflangenutismadeandsentforassembly.
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HeavyHexFlangeScrewAim:
Tomaketheheavyhexflangescrewfortheassemblyofthelandinggear
Procedure:
1Opentheapplicationfromyourdesktop.Thenclickstartandgotomechanicaldesigntoselectpartdesign.Here,thewindowshowsthreedifferentaxes(x,y,andz,respectively).
2.Selectthexyplaneandclickonthesketchbutton.Nowthewindowfallsdowntotheyzplanewhereyouarefreetodrawyourdesign.
3.Makethegeneralshapeofapentagonwithequalsidelengthsusinglinesandcirclesonthesketchplaneofxy.
4.Exittheworkbenchandpadthepentagonto16units.Nowfromonesideofthepentagon,makeasketchonthesurface(eithertoporbottomofthepentagon)ofacircleofdiameter21.
5.Nowyouneedtopadthiscircleoutthepentagonalprismtoadepthofabout4units.
6.Itistimetochamfertheroughsurfacesonthecylinder’stwoends(theoneattachedtotheprismandtheotherend).Thechamfercommandletsyouselectthisprocessandchamferitataradiusofabout1.08units.
7.Nowit’stimetoprojectthescrewsectionofthehexflangeandthiscanbedonebyprojectingatwodimensionalcircleonthebottomofthescrewheadwithadiameterof14units.
8.Padthissectionoutwardsfromthescrewheadtoabouta100units.
9.Usetheedgefilletcommandtochamferalengthof1.1unitsonthebottomofthescrewsectionatanangleof45degrees.
10.Theheavyhexflangescrewisnowcompleted
Result:
Theheavyhexflangescrewismadeandsentforassembly.
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LowerSwayLinkAim:
Tomakethelowerswaylinkfortheassemblyofthelandinggear
Procedure:
1Opentheapplicationfromyourdesktop.Thenclickstartandgotomechanicaldesigntoselectpartdesign.Here,thewindowshowsthreedifferentaxes(x,y,andz,respectively).
2.Selectthexyplaneandclickonthesketchbutton.Nowthewindowfallsdowntotheyzplanewhereyouarefreetodrawyourdesign.
3.Makethebasicoutlineofthestructureusingthepolylinecommandanduseproperdimensioningusingconstraints.Makesuretheentiredesignishighlightedingreeninordertoensurethatthediagramisfixedtotheplane.Thesamplediagramisshownbelow.
4.Exittheworkbenchandpadthedesigntoadepthof25unitsontotheaxis.Nowtakethesideviewsandmakeasemi-circleofradius12.5unitsonallthreeendsofthelowerswaylink.Makesurethattheremainingportionofthedesignsaretrimmedoffandconstraintthesemi-circletoanappropriatedimension.Ensurethatthethreesemi-circlesarefixed.
5.Now,padthefrontalcircletoadepthof20unitstocorrespondingtothebasicdesignshowninthediagram.
6.Padtheothertwosemi-circlesaswelltoadepthof15ontheleftsideedgesofthediagram.Ensurethatthepaddingisproperlydone.Afterthisstep,youwillhaveyourstructureofthelowerswaylinkalmostcompleted.
7.Tofinishit,itistimefordrillingoftheholeswheretheheavyhexflangescrewswillbepositionedin.Theseholesmustbeofadiameterof15unitsandshouldbepositionedcorrespondingtothethreesemi-circularpaddings.
8.Thelowerswaylinkisnowcompleted.
Result:
Thelowerswaylinkismadeandsentforassembly.
PistonAim:
Tomakethepistonfortheassemblyofthelandinggear
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Procedure:
1Opentheapplicationfromyourdesktop.Thenclickstartandgotomechanicaldesigntoselectpartdesign.Here,thewindowshowsthreedifferentaxes(x,y,andz,respectively).
2.Selectthexyplaneandclickonthesketchbutton.Nowthewindowfallsdowntotheyzplanewhereyouarefreetodrawyourdesign.
3.Thispistonisaverysimpleonetomake.Beginbymakingacircleofdiameter70ontheplane.Ensurethattheproperconstraintsarefollowedbydimensioningthefigure.Alsoensurethatthediagramisfixedandishighlightedgreen.
4.Exittheworkbenchandpadthiscircletoadepthof14.5unitsmakingacylinder.Afterthis,itistimetoprojectthescrewsectionofthepiston.
5.Thissecondsectioncanbedonebyfirstchoosingabasesectionofthecylinderandselectingtheoptionofsketchonthisbase.Then,makeacircleofdiameterof45units.Exittheworkbenchandpadthiscircletoadistanceof365unitsonthethreedimensionalviewofthepart.
6.Nowyouhaveyourpistonreadyandsentforassembly.
Result:
Thepistonismadeandsentforassembly.
ShaftAim:
Tomaketheshaftfortheassemblyofthelandinggear
Procedure:
1.Opentheapplicationfromyourdesktop.Thenclickstartandgotomechanicaldesigntoselectpartdesign.Here,thewindowshowsthreedifferentaxes(x,y,andz,respectively).
2.Selectthexyplaneandclickonthesketchbutton.Nowthewindowfallsdowntotheyzplanewhereyouarefreetodrawyourdesign.
3.Startbymakingacircleofdiameterof40unitsontheplaneandensurethatthedimensioningisdoneandthatthefigureishighlightedgreen.
4.Padthiscircleontothethreedimensionalwindowby333.85units.Then,makeareferenceplanefromthebasecircleplaneupby10.92units.Onthisnewplane,makeacircleofdiameter12.41units.
5.Similarlymakeanotherreferenceplaneandcreateanothercircleontheotherendoftheshaftandensurethatproperdimensioningisdoneandthattheconstraintsareset.
6.Usetheoptionofmulti-sectionssolidunderthesketchbasedfeaturestoolbartocombinethebasecircleof40unitsandthatsmallercirclethatisofdiameter12.41unitsand10.92unitsawayfromboththecirclesofthetopandthebottomoftheshaft.This
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optionfurtherconnectsthethreeplanesandthenextstepcanbereached.
7.Nowuseanedgefilletcommandtosmoothenouttheedgeonthesmallercirclesbyaradiusof10unitfillet.Nowtheshaftisdoneandreadyforassembly.
Result:
Theshaftismadeandsentforassembly.
StrutAim:
Tomakethestrutfortheassemblyofthelandinggear
Procedure:
1.Opentheapplicationfromyourdesktop.Thenclickstartandgotomechanicaldesigntoselectpartdesign.Here,thewindowshowsthreedifferentaxes(x,y,andz,respectively).
2.Selectthexyplaneandclickonthesketchbutton.Nowthewindowfallsdowntotheyzplanewhereyouarefreetodrawyourdesign.
3.Startbymakingacircleofdiameterof100unitsontheplaneandensurethatthedimensioningisdoneandthatthefigureishighlightedgreen.
4.Thenpadthiscircletoalengthof30unitsontothethirdaxis.Nowfromthebottomsideofthiscylindersketchacircleofdiameter90unitsusingthesketchsurfacecommand.Makesurethiscircleisalsoconstraintandpadthisoutwardby50units.
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5.Fromthebottomofthecylinderwiththelengthof50unitsdepth,sketchacircleonthesurfacewithdiameterof80unitsandpadthisoutwardontotheotheraxisatalengthof320units.
6.Nowfromthetopofthecylinderdrawtheupperportionofthestrutusingpolylineandcirclecommandslikethefigureshown.Ensurethatthisisdonefromthemiddleaxisofthecylinder.
7.Ensurethattheproperconstraintsareusedanddimensionedinawaywherealltheelementsofthisdesignarefixedwithrespecttothereferenceaxis.Afterthisdesignisdone,itisneededtopadthisfigureusingamirroredoptionof15unitsoneithersideofthefigure.
8.Nowdrillaholeofdiameter20unitsandadepthinsuchawaythatitgoesthroughthefiguredpadding.Thisholemusthaveitscentreoffsetof0unitsfromthecentreofthebiggercircleofradius20unitsasshowninthefigure.
9.Nowmakethetwopartsinthemiddleofthestrutwhereeachpartisdisplacedby15unitsoneitherside.Ensurethatthesetwopartsareproperlydimensionedandproperlyplanedaccordingtothereferenceplane.Thereferenceplaneshouldbetakentofinishthissectionwiththeunitsof15oneithersideoftheaxis.Afterthedesignhasbeendoneononeofthesectionsandtheproperpaddingisgivenwiththelengthof15units,youmayusethemirroroptionacrosstheaxistomakeasimilarsectionontheothersideofthedisplaced30unitsawayfromthisfirstsection.
10.Afterthemiddlesectionisdone,drillaholeofdiameter30unitswithitscentreoffsetatadistanceof0unitsfromthecentreofthe25unitradiuscirclewhichisoverthedrilledhole.Dothisholeonbothsectionsthatweremadeinthepreviousstep.Here,theupperswaylinkpartisfixedduringtheassembly.
11.Itisnowneededtomakethebottomsidesectionsofthestrutasshownbelow
Here,youneedtoensurethatproperdimensioningisdoneinsuchawaythatconstrainsfixtheobjecttothefigureandhighlightthepartingreenasshown(partially).Nowyouneedtomirrorthistotheothersideofthestrutbyusingthemirroroption.
12.Afterthemirroringisdone,itisneededtopadthisfigureatalengthof10unitsonbothofthesidesusingmirroredextentoption.Ensurethattheholeisalsodrilledwitharadiusof7.5units.Alsoensurethatyouleavesomegapintothestrutsothatroughedgescannotbeaproblemintheassembly.
13.Nowfromthebottomoftheentirestrut,drillaholeofdiameterof70unitsatadepthof380unitsinlength.Nextfromthesamebottomofthestrutmakeacircleofdiameterof80unitsandmakesureyoupadinsuchawaythatitclosesthedrilledholeofdiameter70unitsthroughthestrutatalengthof5units.Nowfromthesurfaceofthiscylinderwhichenclosesthedrilledhole,youneedtodrillanotherholeofdiameter45unitswiththecentreofthisholecorrespondingtothecentreofthestrut.
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14.Thisfinishesthestrutandissentforassembly.
Result:
Thestrutismadeandsentforassembly.
UpperSwayLinkAim:
Tomaketheupperswaylinkfortheassemblyofthelandinggear
Procedure:
1.Opentheapplicationfromyourdesktop.Thenclickstartandgotomechanicaldesigntoselectpartdesign.Here,thewindowshowsthreedifferentaxes(x,y,andz,respectively).
2.Selectthexyplaneandclickonthesketchbutton.Nowthewindowfallsdowntotheyzplanewhereyouarefreetodrawyourdesign.
3.Beginbyusingthepolylinefeaturecommandtomakethegeneralshapeoftheupperswaylink,andthenmaketheinnersectionwiththeradiusof11unitsinthecornersusingthecommandofedgefilletfoundinthewindow.Ensurethatalltheparallellawsarefollowedandexcesselementsarecutortrimmedofffromthefigure.Ensurethatthedimensioningisdonebyusingtheconstraintoptionfoundinthewindowandthatalltheelementsofthefigurearefixedwithrespecttothereferenceaxisandarehighlightedingreen.
4.Padthefigureinawaythatthethicknessmeasures25unitsanddothisbythepadoptionfoundinthethreedimensionalviewofthedesigningwindow.Toreachthisview,exittheworkbenchoftwodimensionalsketchview.
5.Usetheoptionofedgefilletonalltherectangularblocks(4ofthem)whereonlytheupperandtheloweredgesarefilletedasshowninthediagramwithacircleofradius12.5units.
6.Nowdrilltheholesoneachofthesemi-circularsectionsofthepartwithadiameterof15units.Allthefoursectionsmusthavethisholedrilledwiththecentreoftheholecorrespondingtothecentreofthesemi-circle.
7.Nowtheupperswaylinkisreadyfortheassemblyprocess.
Result:
Theupperswaylinkismadeandsentforassembly.
WheelHubAim:
Tomakethewheelhubfortheassemblyofthelandinggear
Procedure:
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1.Opentheapplicationfromyourdesktop.Thenclickstartandgotomechanicaldesigntoselectpartdesign.Here,thewindowshowsthreedifferentaxes(x,y,andz,respectively).
2.Selectthexyplaneandclickonthesketchbutton.Nowthewindowfallsdowntotheyzplanewhereyouarefreetodrawyourdesign.
3.Startfirstbymakingacircleofdiameter80unitsandpaddingthisoutwiththepadcommandoflength60units.Ensurethatbeforepadding,thiscircleisproperlypositionedanddimensionedaccordingtothereferenceaxisofxandyinordertostayfixedinposition.
4.Fromthecentreplaneofthiscylinderandfromthebottomofthecylinderbyadistanceof40units,drawacircleofdiameter40unitsandabiggercircleofdiameter55units.Afterthetwocirclesaredone,padthisfigureusingthepadcommandandensurethatthemirroredextentoptionischeckedandpaditatalengthof60units.
5.Nowmakethetwosidesofthewheelhubasshownintheabovediagramusingtheoptionsofpolylineandcircle.Trimtheexcesselementsandensurethatthefigureisconstraintwithappropriatedimensionsandisreferencedwithrespecttotheaxis.Ensurethatproperpositionismaintainedonthecylinder.ThenPadthispartwiththehelpofpadcommandandmirroredextenttoalengthof15unitsoneithersideofthepart.Also,youcanusethemirroroptionavailabletomakethingseasier.
6.Nowmaketheholesonboththesectionsthatweredesignedinthepreviousstepwithaholediameterof16unitspositionedwithrespecttothecorrespondingcentresoftheoriginalsemi-circlesonthesections.
7.Next,makeasketchofacircleofdiameterof45unitsonthetopofthecylinderanddrillitdowntoadepthof20unitsthroughtheaxisofthecylinder.
8.Nowyourwheelhubisdoneandsentfortheassembly.
Result:
Thewheelhubismadeandsentforassembly.
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WheelAim:
Tomakethewheelfortheassemblyofthelandinggear
Procedure:
1.Opentheapplicationfromyourdesktop.Thenclickstartandgotomechanicaldesigntoselectpartdesign.Here,thewindowshowsthreedifferentaxes(x,y,andz,respectively).
2.Selectthexyplaneandclickonthesketchbutton.Nowthewindowfallsdowntotheyzplanewhereyouarefreetodrawyourdesign.
3.Beginfirstbymakingtherimportionofthewheelwithappropriatedimensioningandproperconstraintsinawaywheretheyarereferencedwithrespecttotheaxis.Itwouldbebetterifonlyhalftherimisdoneoneithersideofthehorizontalaxisandmirroredtotheothersidewithrespecttothehorizontalaxisorthexaxis.
4.Afterthetwodimensionalrimelementisfinishedfromthepreviousstep,youneedtoexittheworkbenchandusetheshaftcommandonthistwodimensionalelementwithrespecttotheverticalaxisandrevolveitthoroughit.Thismakesthethreedimensionalrimofthelandinggearwheel.Next,makethetire.
5.Tomakethetireportionofthewheel,choosethexyplaneandplaceasketchfeatureonthis.Alongtheoutersurfaceoftherim,makethecrosssectionalviewofthetireliketheoneshownbelow.
6.Ensurethatproperdimensionsareplacedalongwiththegroovesofthetire.Includeacurvatureofthetireofradius2unitstosmoothenouttheedgesofthetires.Ensurethatthevaluesofthedimensionsarecorrectanduseamirroroptiontomakethingseasier.Also,ensurethatthewholepartisfixedwithrespecttotheaxisusingtheconstraintoption.
7.Exittheworkbenchandshaftthiscrosssectionalviewofthetirealongtheverticalaxisandaroundthethreedimensionalrimthatwaspreviouslymade.Youmayalsocolourtheoutersurfaceofthetireblackunderthesurfacepropertiesbyrightclickingthesurfaceofthistire.Thisaddsafeeloftexturetothewheelsandmakestheviewereasilyrecognizeitssignificance.
8.Now,maketheholesontherimsasshowninthepaperattachedwhereitisrequiredusingaholeoptionandthecircularpatternfoundonthewindowofthethreedimensionalviewofthefigure.Makesurethattheholesareproperlydimensionedandmeasureadiameterof6unitsalongwiththepositioningof25unitsfromthecentreofthetiretothecentreoftheholedrilled.Thecircularpatterncommandletsyoudrawordrillmultipleholeswithcertainspecificationsonthepositioningalongtherimwithauserfriendlyinterface.
9.Afterthisstepisdone,yourwheelisreadyanditissentforassembly.
Result:
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Thewheelismadeandsentforassembly.
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5.LandingGearAssemblyAim:Toassemblethepartsofthelandinggearthatwasdoneinthepreviousexperimentintothelandinggearoftheaircraft.
Procedure:1.StartbyopeningtheassemblydesignundermechanicaldesignoftheCATIAsoftware
2.Hereyouneedtoonlyusethetoolbarsofconstraints,move,update,andproductstructuretoolscommands.Beginwiththewheelhub.Usetheoptionof“existingcomponentwithpositioning”underproductstructuretoolstoolbar.Selectthewheelhubcomponentandbringitontotheinterface.Makesureyoufixthispartontotheinterface.Thispartwillbeourreferencepartfortheentirelandinggear.Fromhere,youmayeithermoveontothewheelsectionorthestrutandpistonsection.Bothareequallytimeconsuming.Let’sbeginwiththewheelsection.
3.Usetheoption“existingcomponent”undertheproductstructuretoolstoolbartobringintheshaftontotheinterface.Youcanmodifythispositionusingthemanipulationoption.Youneedtomakeacoincidenceconstraintbetweenthecentralaxisoftheshafttotheholegoingthroughthewheelhub.Makesurethatequallengthsoftheshaftaredisplacedfromeithersideofthewheelhub.Thiscanbedonebyusingoffsetconstraint.Nowonceyouhavethisconstraintsplaced,thepartisfixedtothewheelhub.Nowmoveontothewheels.
4.Usethesameoptiontoimportthewheelfromthefolderontotheinterfaceandwiththehelpofcoincidenceconstraint,coincidetheaxisofthewheeltotheshaft.Makesureyoudothistofourwheelsontheshaft(twooneithersideoftheshaft).Selecttherimofeachofthewheelandusetheoptionof“fixtogether”withtheshaftsothatwhenthewheelrotatesalongitsaxis,theshaftalsorotates.Ensurethatthisoptionisdoneonallthefourwheels.Displacethewheelsinawaywheretheydon’tcollide.
5.Nowbringinthepistonfromthefolderontotheinterfacebyimporting.Makeacoincidenceconstraintbetweentheaxisofthispistonandtheaxisofthecylindricalwheelhubinawayperpendiculartotheshaftandthewheelsectionofthewheelhub.Ensurethatthebottompistonsurfaceisunderacontactconstraintwiththesmallslotsectiononthewheelhubsothatitremainsfixedthere.Nowyoucanbringinthestrut.
6.Thestrutshouldbeimportedontotheinterface.Ensurethatacoincidenceconstraintismadeinawaywheretheaxisofthepistonandtheaxisofthisstrutarecoinciding.Alsochecktheoptionofcrashoncontactbetweenthepistonheadandthestrut.Theassemblyofthepistonandstrutshouldbeinsuchawaythatthepistonheadshouldbedeployedintothestrut’sbody.Asyoumanipulatethestrutupanddownitsaxis,itshouldmoveandshouldstopmovingwhenthe
impactofthepistonheadismetintheinteriorofthestrut.Alsorotatethestrutandmake
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ananglecoincidencewiththewheelhubinsuchawaythattheupperandthelowerswaylinkscanbeplacedanytimeintheinterface.
7.Nowbringinthelowerswaylinkwherethispartwillbeattachedpartiallytothewheelhubandpartiallytotheupperswaylink.Ensureacoincidenceconstraintbetweentheholeaxisofthelowerswaylinkandtheholeaxisofthewheelhubbase.Alsomakeanoffsetconstraintbetweenthesurfaceoftheholesofboththelowerswaylinkandthewheelhubatadistanceof0units.Thismeansthatitisalmostincontactwithouttheneedofthecontactconstraintwiththewheelhub.
8.Nowbringtheupperswaylinkwhichwillbeattachedtothestrutandthelowerswaylink.Alsothediagramshownabovedoesn’tshowtheswaylinks.Itisbestreferredfromtheattacheddocument.Theupperswaylinkmustbesetwithacoincidenceconstraintwiththestrut’sholes.Theoffsetconstraintmustalsobemaintainedbetweenthesurfacesoftheholesoftheupperswaylinkandthestrut’sholes.Thisoffsetmustbeatadistanceofzerounits.Afterthiscoincidence,makeanothercoincidenceconstraintconnectingthetwoupperandthelowerswaylinkstogetherasshowninthedocumentattached.Ensurethatwhenmovingthestrut,theseswaylinksalsomovewithrespecttothestrutmovementalongthecentralaxisofthestrut.
9.Bringintheheavyhexflangescrewsintotheinterfacewiththeimportoption.Therearethreelocationsastowherethisheavyhexflangescrewsarepositioned.Thesethreelocationscorrespondtothethreejunctionsoftheupperandlowerswaylinkswithrespecttothemselvesandtothestrutandwheelhub.Makesureacoincidenceconstraintismaintainedinawaywheretheaxisofthethreeheavyhexflangescrewscoincideswiththeholesinthejunctions.Alsomakeacontactconstraintwiththeheadsoftheheavyhexflangescrewsandthesurfaceoftheholesonthelandinggearatthejunctions.
10.Nowbringintheheavyhexflangenutswhichwillbeplacedinawaywheretheyfitinwithheavyhexflangescrewsatthethreeterminalsorthejunctions.Thenutsmustbepositionedwithacoincidenceconstraintwiththeheavyhexflangescrews.Thereshouldalsobeacontractconstraintwithallthreenutsandtheopensurfacesof.Thispositionsthescrewsandprovidesrigiditytothestructure
11.Ensurethatalltheconstraintsarefollowedalongwiththeprocedures.Yourlandinggeariscompleted
Result:Thelandinggearassemblyiscompletedwiththehelpofalltheparts.
6.AircraftAssemblyAim:Toassemblethepartsoftheaircraftgiventoyouandtofinishthemodelofanaircraft.
Procedure:
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1.Therearethreefilesgiventoyouonyourfolderwhichincludethemainstructureoftheaircraft,aleftwingandarightwing.Youneedtoassemblethesethreepartstogetherandsenditforfurtherprocesseslikedrafting.
2.StartbyopeninganassemblydesigninterfaceundermechanicaldesignoftheCATIAsoftware.Importthefileofthemainaircraftstructureandfixitwithrespecttotheinterfaceandtheplane.
3.Importthefileofleftwingontotothewindow.Hereyoucannoticethatthewinghasholesortheframeofthewingiscancoincidewiththeaircraft.Theaircraftisahighwingaircraft.Hereyouneedtousethreeconstraints.Twocoincidenceconstraintsandonecontactconstraintaretobemade.Maketwocoincidenceconstraintswithrespecttothecirclesonthewing’scross-sectionalviewcorrespondingtotheonesfoundontheaircraft.Afteryoufinishthisconstraint,makeacontactconstraintbetweenthesurfaceoftheaircraftanditscorrespondingwing’scrosssectionalarea.Yourleftwingiscompletedandtheonlythingremainingistherightwing.
3.Importthefileofrightwingontotothewindow.Hereyoucannoticethatthewinghasholesortheframeofthewingiscancoincidewiththeaircraft.Theaircraftisahighwingaircraft.Hereyouneedtousethreeconstraints.Twocoincidenceconstraintsandonecontactconstraintaretobemade.Maketwocoincidenceconstraintswithrespecttothecirclesonthewing’scross-sectionalviewcorrespondingtotheonesfoundontheaircraft.Afteryoufinishthisconstraint,makeacontactconstraintbetweenthesurfaceoftheaircraftanditscorrespondingwing’scrosssectionalarea.Yourrightwingisalsocompleted.
4.Youraircraftassemblyiscompletedinthesesimplestepsandissentfordrafting
Result:Theassemblyofasimpleaircraftiscompletedandissentfordrafting.
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7.3DimensionalDesignofBlowerComponentsTheblowerdesigningcanbeachievedbyfirstdesigningthefollowingcomponents:
a.Blowerb.Coverc.LowerHousingd.Motore.Shaftf.UpperHousing
BlowerAim:
Tomaketheblowerfortheassemblyoftheblower
Procedure:
1Opentheapplicationfromyourdesktop.Thenclickstartandgotomechanicaldesigntoselectpartdesign.Here,thewindowshowsthreedifferentaxes(x,y,andz,respectively).
2.Selectthexyplaneandclickonthesketchbutton.Nowthewindowfallsdowntotheyzplanewhereyouarefreetodrawyourdesign.
3.Startbymakingacirclewithadiameterof100unitsontheplane.Paditoutontothethirdaxisatadistanceof36.25units.
4.Nextyoumushpocketoutthemiddleregionofthiscylinderwiththedimensionsshowninthediagramprovidedatadistanceof27.5unitsononesideand30unitsontheoppositeside.
5.Nowfromthebottomsectionalviewofthethinnercylinder,drawacircleofdiameterof80unitsanddrillthatdiameterofaholethroughthebottomsection.
6.Nowmakethefencesonthecircumferenceofthecylinderwithawidthof2.5unitsandalengthof24.8unitsfromthecircumferenceofthecylindersectiontowardsthecentralaxisofthecylindersection.Then,usecircularpattercommandtoorganizethemintosixpiecesthroughoutthecircumferenceofthecylinder.
7.Padthisregionoutontothetopcylindersothattheouterfencedstructureoftheblowerismade.
8.Fromthetopviewofthetopcylinder,maketwocircleswithdiameters15and30unitsrespectively.Theircentresandthecentreofthecylindermustcoincide.Nowexittheworkbench
andpadthissurfaceoutwardtoadistanceof25units.Ensurethatalltheconstraintsaremetandthatthefigureisfixedwithrespecttoitsaxis.
9.Yourblowerisfinishedandreadyforassembly.
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Result:
Theblowercomponentisfinishedandsentforassembly.
CoverAim:
Tomakethecoverfortheassemblyoftheblower
Procedure:
1Opentheapplicationfromyourdesktop.Thenclickstartandgotomechanicaldesigntoselectpartdesign.Here,thewindowshowsthreedifferentaxes(x,y,andz,respectively).
2.Selectthexyplaneandclickonthesketchbutton.Nowthewindowfallsdowntotheyzplanewhereyouarefreetodrawyourdesign.
3.Startbymakingacircleofdiameter70unitsontheplane.Padthisfigureoutontotheotheraxisatadistanceof25units.
4.Fromonesideofthecylinder,makeanedgefilletofradius10unitstogiveasmoothsurfacetoit.
5.Nowusetheshellcommandtomakeashellfromthedesignwithadisplacementof2.5unitsinthickness.
6.Nowfromthetopsectionalviewofthefigure,makeanelongatedholewiththecentralaxisoftheelongatedholecorrespondingtooneoftheaxisofthefigurethroughitscentre.Maketheelongateddistanceof40unitsandaholediameterof3.5unitsoneitherside.AlsoMakesixmoreofsuchelongatedholeswherethreeofthemareoneithersideofthehole.Thelengthordistancebetweeneachelongatedholemustbe1.75units.
7.Then,pocketouttheholesmadeinthepreviousstepinawaythattheymake7elongatedholesonthetopviewofthecomponent.
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8.Goingbackontothesurfaceofthefigure,maketwocirclescorrespondingtothecentreofthecylinderwithdiameters15and25unitsrespectively.Thenpadtheseoutwardinalengthof7.5units.Yourtopsectionofthecomponentisdone.
9.Nowfromthebottomrimofthecover,makeyoursidepartwithasemicircleradiusof7.5andthesmallercirclediameterof7.5units.Ensurethatthecentresofthesecirclesareatalengthof42.5unitsfromtheaxisofthecomponent.
10.Usetheoptionofcircularpatterninordertomaketwomoresuchshapesaroundtherimatanangleof120degreesapartfromeachcentre.
11.Nowpadthesefigurestoadistanceof5unitsandyourcoveroftheblowerisdoneandsentforassembly.
Result:
Thecovercomponentisfinishedandsentforblowerassembly.
LowerHousingAim:
Tomakethelowerhousingfortheassemblyoftheblower
Procedure:
1Opentheapplicationfromyourdesktop.Thenclickstartandgotomechanicaldesigntoselectpartdesign.Here,thewindowshowsthreedifferentaxes(x,y,andz,respectively).
2.Selectthexyplaneandclickonthesketchbutton.Nowthewindowfallsdowntotheyzplanewhereyouarefreetodrawyourdesign.
3.Starttheentiredesignbyfirstmakingthebasicshapeofthestructureasshownbelow.Ensurethatthebaseisgivenas140unitslengthof15unitsasheight.Ensurethatthesemi-circledrawnisataradiusof60units.Alsoensurethatthesideportionsofthesemi-circlearealsodrawnandmeasurealengthof14units.
4.Now,exittheworkbenchandpadthisimageatadistanceof40unitsontothethirdaxis.Next,youneedtomaketheholesonthesiderectangularsections(fouroneachside,soeightofthem)Makesuretheyallmeasurethesameunitsandarethesamedistanceapartfromeachother.Theseholescorrespondtotheholesmadeintheupperhousinggiveninthisdocument.Ensurethattheradiusoftheseholesare4.1unitsdividedby2.
5.Nextwiththesideviewofthesemi-circularsolid,makeanothersemi-circlewitharadiusof57unitscorrespondingtothecentralaxisofthebiggersemi-circle.Thenpocketthisimageintothesolidatadistanceof37.5units.
6.Nextmakethesmallersemi-circularslitononesidewitharadiusof15unitsanddrillthroughthewall.Thenmakeasemi-circleofradius48.75unitsandthebaseline2.5units
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awayfromthebaseofthebiggersemi-circularwall.
7.Yourlowerhousingisdoneandsentforassembly.
Result:
Thelowerhousingcomponentisfinishedandsentforblowerassembly.
MotorAim:
Tomakethemotorfortheassemblyoftheblower
Procedure:
1Opentheapplicationfromyourdesktop.Thenclickstartandgotomechanicaldesigntoselectpartdesign.Here,thewindowshowsthreedifferentaxes(x,y,andz,respectively).
2.Selectthexyplaneandclickonthesketchbutton.Nowthewindowfallsdowntotheyzplanewhereyouarefreetodrawyourdesign.
3.Startwithacircleofdiameter70unitsontheplane.Thenpadthisoutontotheinterfaceinthethirdaxisatadistanceof90units.
4.Nextmakethebasestructurebytakingonefaceofthecylinder.Thebottomdistanceofthebaseshouldbe120unitslongwithaverticaldistanceof67.5unitsfromthecentreofthefacecentralhorizontalaxis.Ensurethatthebaseissymmetricabouttheyaxisorthecentralaxisofthefaceofthecylinder.
5.Padthisdesignatadistanceof65unitsasshowninthefigure.Nextmaketheuppersectionofthemotorwhichlookslikesteps.Todothissection,firststakethefacewithoutthebaseconnectedanddrawyoursteps.EnsurethattheEdgesarecoincidingwiththefaceofthemotorcylinderandthatthebottommostbaseisatadistanceof28unitsfromthecentralaxisofthecylinderasshow.Eachdisplacementofthestepsshouldby4.5unitsbothinverticalandhorizontaldistances.
6.Padthisstepstructureatalengthof82.5units.Nowmakethebiggercirclewithadiameterof100unitswiththecentresoffsetatadistanceof0unitsfromthecentreofthecylinderalreadymade.Thenpadthisstructureawayfromthecylinderatadistanceof5units.
7.FromtheSurfaceofthepreviouspadding,makeanothercircleofdiameter60unitscollidingwiththecentresagain.Thiscircleshouldbepocketedinwardatadistanceof5units.
8.Fromthemiddlesectionofthecylindermakeaholeofdiameter15unitsthroughthemotor.Next,maketheholesofcircularpatternaroundtheplateasshownwithdiametersof7.5unitsandeachholeshouldbe120degreesapartfromeachotherwithrespecttothecentreofthecylinder.
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9.Yourmotorisdoneandreadyforassembly.
Result:
Themotorcomponentisfinishedandsentforblowerassembly.
ShaftAim:
Tomaketheshaftfortheassemblyoftheblower
Procedure:
1Opentheapplicationfromyourdesktop.Thenclickstartandgotomechanicaldesigntoselectpartdesign.Here,thewindowshowsthreedifferentaxes(x,y,andz,respectively).
2.Selectthexyplaneandclickonthesketchbutton.Nowthewindowfallsdowntotheyzplanewhereyouarefreetodrawyourdesign.
3,Beginbymakingacirclewithadiameterof15unitsandthenpadthiscircletoalengthof240unitsontothethirdaxis.Ensurethattheproperdimensionsaretakenandthefigureisconstraintproperlyandhighlightedgreen.
4.Fromoneofthefacesofthiscylinderusethesketchoptiontomakeacircleofdiameter12unitswiththecentresofthecylinderandthiscirclecorresponding.Thiscirclefurtherneededtobepaddedatadistanceof1.8units.Nowfromtheoutwardfaceofthissmallercylinderdrawanothercircle.
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5.Thisthirdcirclemusthavethesamemeasurementsasthefirstcircleasinitshouldhaveadiameterof15units.Thiscircleshouldalsobepaddedatadistanceof5unitsontothethirdaxis.Ensurethatconstraintsarefollowed.
6.Yourshaftisdoneandsentforassembly.
Result:
Theshaftcomponentisfinishedandsentforblowerassembly.
UpperHousingAim:
Tomaketheupperhousingfortheassemblyoftheblower
Procedure:
1Opentheapplicationfromyourdesktop.Thenclickstartandgotomechanicaldesigntoselectpartdesign.Here,thewindowshowsthreedifferentaxes(x,y,andz,respectively).
2.Selectthexyplaneandclickonthesketchbutton.Nowthewindowfallsdowntotheyzplanewhereyouarefreetodrawyourdesign.
3.Startwithabasicsemi-circlewithaclosedbaseofradius60units.Thenpadthisoutatadistanceof40unitsoneithersideoftheaxisorbyusingmirroredextent.Then,fromonefaceofthesemi-circularsolid,makeanothersemicircleofradius48.75unitswiththebasesofboththesemi-circlescoincidingalongwiththeircentres.
4.Fromthecentreofthesolid’saxis,makeareferenceplaneintheinthezyaxistowardsthefaceoftheblower.Thereferenceplanemustbeatadisplacementof81.5unitsfromthebaseplane.Anotherreferenceplanemustalsobeplacedatadistanceof57.5unitsfromthereferenceplanethatwasjustplaced.
5.Makeafigureonthefirstreferenceplanewiththegivendimensionsinthediagram.Thiswillbethefirsthalfthebower’smouth.
6.Makeanarchwithoneedgecoincidingwiththeedgeofthesectionalviewofthesolidandtheothercoincidingwiththetopedgeofthediagramyoumadeinthepreviousstep.Ensurethattheedgefilletradiusofcurvatureof15unitsisfollowed.
7.Usearibcommandandjointhecurvedsurfaceofthesemi-circularsolidandthedesignmadeinthepreviousstep.Thisenclosesboththesurfacestogetherwithrespecttotheirgeometry.Ensurethattheyhaveproperdimensions.
8.Rememberthesmallersemi-circularshapewemadeinstepfourwiththeradiusof48.75unitsontothefaceofthebiggersolid?Itisnowrequiredtopocketinthatfigureatadepthof77.5unitsintothesemi-circularsolid.
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9.Nowmakethesameshapewithslightlybiggerlengthsasshowninthediagramattachedastheoneshownaboveontothesecondreferenceplane.Ensurethatdimensionalconstraintsarefollowedandthatthefigureisproperlycorrelatingtothedesignonthefirstreferenceplane.
10.Now,usethemulti-sectionsolidcommandtomakeaconnectingsolidbetweenthesetwodesignsonthereferenceplaneoneandtworespectively.Thismakesthelonghauloftheblowercomponent.
11.Usetheshellcommandandselectthesurfaceofthehaulshowninthereferenceplanetwoortheoneinthepreviousstepandtheinteriorofthesolid.Makesurethattheinteriorthicknessof2.5unitsisalsoselectedinordertomaketheholethroughthehaulandconnectittotheinterior.
12.Fromthebottomviewofthemodel,maketworectangleswheretheboltsfitinintheassemblyasshowninthefigurewiththedimensionsof4unitsthickness,15unitsinwidthand70unitsinlength.Ensurethatthisisbothbottombasesidesforthesolid.Thethicknesscanbeachievedbyusingthepadcommand.
13.Nowmakeasetofeightholesofdiameter4.1unitswherefourofthemononerectangularblocksideandtheotherfourontheother.Ensurethattheyhaveaspecifieddistancebetweenthem.
14.Nextmakethewallholeofradius15unitsusingasemi-circlefigureasshowninthediagram.Yourupperhousingcomponentisdone.
Result:
Theupperhousingcomponentisfinishedandsentforblowerassembly.
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8.BlowerAssemblyAim:Toassemblethepartsoftheblowerthoseweremadeintheprevioussectionintoablowerassembly.
Procedure:1.StartbyopeningtheassemblydesignundermechanicaldesignoftheCATIAsoftware
2.Hereyouneedtoonlyusethetoolbarsofconstraints,move,update,andproductstructuretoolscommands.Beginwiththemotoroftheblower.Usetheoptionof“existingcomponentwithpositioning”underproductstructuretoolstoolbar.Selectthemotorcomponentandbringitontotheinterface.Makesureyoufixthispartontotheinterface.Thispartwillbeourreferencepartfortheentireblowerassembly.
3.Nextyouneedtoattachashaft.Importtheshaftfromthefolderandbringitontotheinterface.Makeaconstraintofcoincidencebetweentheaxisoftheshaftandtheaxisofthemotor(thecentralaxis).Alsoyouneedtoensurethattheshaftisabletogointothemotorholdandgetfixedthere.Fromthebacksideholeofthemotor,makeanoffsetconstraintwiththeshaft’send.
4.Nowimportthecoverpartontotheinterfaceofthesoftware.Fromthecover,makesurethatthecoincidenceisgivenbetweentheaxisoftheholesontheplateofthemotorandthecover.Threecoincidenceconstraintsarerequiredhere.Thefirstconstraintisbetweentheaxisofthetwocomponents.Thesecondconstraintisbetweenoneoftheplateholesofthecoverandthemotorplate.Thethirdconstraintisanotherplatebetweentheplaneholesofthecoverandthemotorplate.Thiswouldfinallyputtheshaftthroughtheholeofthecoveraswell.
5.Nextimporttheblowercomponentintosoftware’sinterface.Makeanoffsetconstraintbetweentheshaftandtheholeontheblower.Alsoensurethatthefixtogethercommandisusedbetweentheblowerandtheshaft.Nowasyourotatetheblowerusingthemanipulationcommand,youcanseetheshaftalsorotating.
6.Nowbringinthelowerhousing.Thecentralaxisofthelowerhousingmustbeatacoincidenceconstraintwiththeaxisoftheshaft.Alsoensureanangleconstraintbetweenthesurfaceoftheblowercomponentandthefaceofthelowerhousing.Alsotheangleconstraintbetweenthebaseofthemotorandthelowerhousingshouldexistwheretheangleiszerodegrees.
7.Next,makeasurfaceconstraintbetweenthesurfacesofthecoverandtheplateofthemotor.Alsoimporttheupperhousecomponent.
8.Theupperhousecomponentmustbeadjustedinsuchawaythattheaxesoftheholesofthecomponenthaveacoincidenceconstraintwiththeholesonthelowerhousing.Ensureanoffsetconstraintbetweenthesurfaceoftheblowerandthefaceoftheupperandlower
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housingtobezerounitsawayfromeachother.Makesurethatallthepointsarefixedandthecomponentdoesn’tmoveordeforminanywaywhenmanipulatedwithrespecttoconstraints.
9.Yourassemblyforblowerisdone
Result:Theassemblyofablowerisdonewiththehelpofthesecomponents:
a.Blowerb.Coverc.LowerHousingd.Motore.Shaftf.UpperHousing
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10.DraftingofTypicalAircraftAim:Todrafttheaircraftthatwasassembledinoneoftheprevioussectionsusingdraftingworkbenchinthesoftware
Procedure:1.OpentheCATIAsoftware,clickonpartdesign,thenselectmechanicaldesign,andfinallyselectthedraftingundertheworkbench.Youcannowseeagridofdarklinesonthewhitebackgroundpageontheinterface.Here,draftingisdone.
2.Draftingisdonebyusingdifferentviewsofanyobject.Inthisexercise,wewillbedraftingthedifferentviewsofanaircraft.Theaircraftassemblyistakenfromoneofthepreviousexperimentsandthatfileisalsoopensimultaneouslyonthesoftware.Afteropeningthesoftware,themaintoolbarsusedwouldbegeometrycreation,select,drawing,geometrymodification,dimensioning,annotations,views,anddressuptoolbars.Youwillmainlyusedimensioningandviewstoolbarsinthisexercise.
3.Selectthefrontviewcommandoftheviewstoolbar.Thenminimizethewindowandopentheassemblywindow.Selecttheplanewhichprojectsthefrontalviewoftheaircraft.Nowclickanywhereonthedraftingpagefortheprojectiontobecompleted.Thisprojectsthefrontviewoftheaircraft.
4.Next,choosethecommandProjectionViewfromtheviewstoolbarandselectthesideviewoftheaircraftwiththehelpoftheplaneandattachitontothedraftinginterface.
5.Similarly,choosethesamecommandtogetthetopviewoftheaircraft.
6.Yourdimensioningcanbecompletedbyusingtheoptionofdimensionsfromthedimensioningtoolbar.Youmustshowanythreedimensionsfromeachoftheviewsonthisassignment.
7.Yourbasicdraftingisdone
Result:Theaircraftisdraftedontothedraftinginterface.
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10.Figures
Figure13-DObject1
Figure23-DObject2
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Figure32DAirfoiloftheWingStructure
Figure4DesignofSparsandRibsofWingStructure
Figure5RibsandSparsoftheWingStructure
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Figure6FinalDesignedWingStructure
Figure73-DLandingGearComponents-Piston,Shaft,HeavyHexFlangeScrew,andHeavyFlangeNut
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Figure8LandingGearComponents-CompletedHeavyFlangeNut
Figure9CompletedHeavyHexFlangeScrew
Figure10LandingGearComponents-LowerSwayLink
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Figure11LandingGearComponentsLowerSwayLink
Figure12LandingGearComponents–Piston
Figure13LandingGearComponents-FinishedShaft
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Figure14LandingGearComponents-UpperSwayLink
Figure15LandingGearComponents-FinishedUpperSwayLink
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Figure16LandingGearComponents–Strut
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Figure17LandingGearComponents-StrutPart1
Figure18LandingGearComponents-StrutPart2
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Figure20LandingGearComponents-WheelHub
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Figure22LandingGearComponents–Wheel
Figure23LandingGearComponents-WheelPart1
Figure24LandingGearComponents-WheelPart2
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Figure25LandingGearComponents-FinishedWheel
Figure26LandingGearAssembly
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Figure27AircraftAssembly
Figure28BlowerComponents–Blower
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Figure29BlowerComponents-FinishedBlower
Figure30BlowerComponents–Cover
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Figure31BlowerComponents-FinishedCover
Figure32BlowerComponents-LowerHousing
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Figure33BlowerComponents-FinishedLowerHousing
Figure34BlowerComponents–Motor
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Figure35BlowerComponents-FinalMotor
Figure36BlowerComponents–Shaft
Figure37BlowerComponents-FinalShaft
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Figure38BlowerComponents-UpperHousing
Figure39BlowerComponents-FinalUpperHousing
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Figure40BlowerAssembly
Figure41DraftingofaTypicalAircraft
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References“CATIAPartDesign.”CATIA.DassaultSystemes,1994-99.Web.
“GettingStartedwithCATIAV5.”DassaultSystemesCATIA.IBMProductLifecycleManagementSolutions,n.d.Web.
Sham,Dickson.“CATIAV5SurfaceModeling.”Cloudfront.N.p.,n.d.Web.