Spaceclaim-Ansys-SCDM-145-L06fea3D-Spot-Welds-and-

©2012ANSYS,Inc.November13,2012114.5ReleaseLecture6:SpotWeldsandInstancesIntroductiontoANSYSSpaceclaimDirectModeler(SCDM)©2012ANSYS,Inc.November13,201223DAdvancedFeatures•Inthisclasswewillwalkthroughthe3DtoolsusedtocreateandmodifymodelsinSpaceClaim.•Wewillfocuson:A.SpotWeldB.WorkshopC.Instances©2012ANSYS,Inc.November13,201233DAdvancedFeatures–SpotWeldGoals:-UnderstandwhatisaSpotWeld-UnderstandtheimpactonthemeshandonthecontactGuidingthreadcase:-Manipulationoftheassembly©2012ANSYS,Inc.November13,20124•OpenDocument–Openspotweld.scdocintheANSYS_CLASSfolder.–Thefileshouldopenasseenhere.3DAdvancedFeatures–SpotWeld©2012ANSYS,Inc.November13,20125•SpotWeldUI–ClickonthespotweldbuttoninthePreparetab.ThiswillallowyoutocreateweldpointsbetweensolidsthatwillthenbesentovertoANSYS.–Takesometimetolookatthedifferenttoolguidesontherightofthescreen.Thesewillgiveyoumorecontroloversettingupthespotweld.3DAdvancedFeatures–SpotWeld©2012ANSYS,Inc.November13,20126•MakingSolidsTransparent–Zoomintotheredpartsinthemiddleoftheassemblyandselectonbothredsolids.–Thiswillmakeiteasiertoseethroughthesolidswhenapplyingourspotweld.–GototheDisplaytabandthengotothefacestyletotransparent.3DAdvancedFeatures–SpotWeld©2012ANSYS,Inc.November13,20127•SelectingBaseFace–GobacktothePreparetabandclickontheSpotWeldtool.–Hoveryourmouseoverthetopoftheredface.Toselectonthebottomone,scrollyourmiddlemousewheelforwardtoselectonthebottomface.–Note:Ifyou’vechangedthenavigationoptionslocatedIntheApplicationmenuthenyouwillneedtoholdcontrolasyouuseyourscrollwheeltoqueryselect.–Thisisthefaceorfacesonwhichtheweldpointswillbedefined.Youshouldselectasinglefaceorachainoftangentfacesasyourbaseface.3DAdvancedFeatures–SpotWeld©2012ANSYS,Inc.November13,20128•GuidingEdges–Clickthesecondtoolguidedown.Thisistheedgealongwhichtheweldpointswillbedefined.Thetoolsearchesformatingedges.–Clicktheblueedgeindicated.Thiswillplacethespotweldonthatedgeandusetheoptionsthatcanbeseenontheleftsideofthescreen.3DAdvancedFeatures–SpotWeld©2012ANSYS,Inc.November13,20129•SpotWeldOptions–Thespotweldoptionswillbeinthedesignwindowjustlikeapattern.Youcanchangeanyofthevaluesbytabbingbetweentheboxes.–ChangetheStartOffset,EdgeOffset,andEndOffsettotwo.Noticehowthischangestheplacementofthespotwelds.–Theseoptionswillalsoappearontheleftsideofthescreenandcontrolthesamevalues.3DAdvancedFeatures–SpotWeld©2012ANSYS,Inc.November13,201210•SelectingAdditionalFaces–Tosimultaneouslycreateanotherspotweldonafaceyoucanselectanotherbaseface.Clickthetoptool-guidetoaddabaseface.–ThiswillreactivatetheSelectbasefacesmode.–Hoveroverthefaceindicated.Remembertoselectonhiddenfacesoredgesyouneedtoscrollyourmiddlemousebuttontoqueryselectthroughthemodel.–Onceyouarehavepre-highlightedthebottomfaceleftclicktoselectit.3DAdvancedFeatures–SpotWeld©2012ANSYS,Inc.November13,201211•GuidingEdges–Selectthesecondtoolguidetothenchooseaguidingedge.–Nowanidenticalspotweldwillbestoredontheotherfaceaswell.Noticethattheoffsetsareautomaticallyplacedonthesecondpart.–Clicktheedgeindicatedinblue.3DAdvancedFeatures–SpotWeld©2012ANSYS,Inc.November13,201212•CreateSpotWeld–ClicktheCreateSpotWeldtoolguideontherightsideofthescreen.–Thiswillplacethespotweldonthemodel.–ASpotWeldJointwillalsoappearinthestructuretreesoyoucangobackandedittheSpotWeldlateron.3DAdvancedFeatures–SpotWeld©2012ANSYS,Inc.November13,201213•AdditionalSpotWeld–Rotatethemodeltoviewtheleftsideoftheyellowpartandselectontheuppergreenface.–ClicktheSelectguidingedgestoolguide.–Clicktheedgeonbackofthebaseface.3DAdvancedFeatures–SpotWeld©2012ANSYS,Inc.November13,201214•MatingFaces(1)–Ifwerotatethemodelwecanseethatthebottomofthegreensolidwasnotpickedasamatingface.SpaceClaimpickedtheyellowface.–Ifyou’dliketomatetoadifferentfacewe’llneedtospecifyadistinctmatingface.–Selectthethirdtoolguidewhichallowsyoutoselectmatingfacesandoverridetheautomaticselection.3DAdvancedFeatures–SpotWeld©2012ANSYS,Inc.November13,201215•MatingFaces(2)–Selectonthegreenfaceindicated.Thiswillpickthegreenfaceastheonlymatingface.–Nowpicktheyellowfaceasthematingface.Noticethatspotweldpairswhichdon’tfallontheyellowpartaremarkedingreyandwon’tberecognizedinANSYSbecausethereisnotamatchingnode.3DAdvancedFeatures–SpotWeld©2012ANSYS,Inc.November13,201216•CreateSpotWeld–ClicktheCreateSpotWeldtoolguide.–I’vetemporarilymadetheyellowsolidtransparentsowecanseetheweldpointsoneachmodel.Noticethattheblueandblackweldsrepresentnodepairsandthegreyweldsrepresentmissingnodes.–AnotherSpotWeldJointwillbecreatedinthestructuretree.3DAdvancedFeatures–SpotWeld©2012ANSYS,Inc.November13,201217•SeamWeld(1)–Selectthetriangularfaceindicatedwhileinthespotweldtool.–Insteadofclickingtheguidingedgestoolguide,altclickthethreeedgesshown.Altclickwillbetheshortcuttoswitchtoolguidesonceafacehasbeenselected.–NOTE:Normallytoselectmultiplealternateedgesyoumustholddownctrlandthealtkeysimultaneously.3DAdvancedFeatures–SpotWeld©2012ANSYS,Inc.November13,201218•SeamWeld(2)–ChangetheoptionsontheleftofthescreentogobacktoazerooffsetfortheStart,Edge,andEnd.–Thiswillhelptocreateaseamweldb