catia运动仿真教程

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1、CranksliderMechanismTutorialProblemStatementThepurposeofthisexerciseistousetheIntelliMotionBuildertodemonstratetheprocedureforconfiguringthemechanismandtothencheckforinterference.ArmLink1Link2CardanCrankCollarThemechanismcomprisesofacrankconnectedvialink1andauniversaljoint(cardancompo

2、nent)totheArmcomponenttoprovideanoscillatorymotion.Thisinturnisconnectedviaanotherlinktoacollarthatslidesbackandforthonashaft.Step1OpenModel&SetWorkbenchYouwillneedtoruntheDDMV5R7orDDMV5R8profileshortcuttoenabletheDynamicDesignerWorkbench.Opentheproductfilecrankslider_tutorial.CATProd

3、uctlocatedinthecrankslidersub-folderinthetutorialsdirectoryoftheinstallation.IfyourworkbenchisnotalreadysettoDynamicDesigner(lookattheWorkbenchiconatthetoprighthandsideofthetoolbar),thenactivatetheDynamicDesignerWorkbenchunderSTART–DIGITAL_MOCKUP–DYNAMICDESIGNER.TheDynamicDesignercomm

4、andscanbeaccessedviathetoolbariconsorthepulldownmenu(seebelow)Step2CreateMechanismfromAssemblyToautocreatethemechanismfromtheassembly,clickontheConvertMechanismIcon.Thiswillbringupadialogboxaskingifyouwanttoconverttheassemblyconstraintswhenthemechanismiscreated.Makesurethisoptionissel

5、ectedbeforeproceeding.TheScreenshouldnowlooklikethatbelowwheretherearemotionentityiconsonthegraphicsscreen.ExpandthetreeviewtoshowtheAPPLICATIONS–DYNAMICDESIGNERbranches.Youshouldseethefollowingmechanismdata:NotethattheassemblyconstraintshavebeenmappedtoDynamicDesignerjointsandthatthe

6、groundedpartsintheassemblyhavebeenautomaticallymadegroundedinDynamicDesigner.Step2DefaultSimulationSettingsTheDynamicDesignerSettingscanbeaccessedfromtwolocations.GlobalsettingscanbefoundintheCatiaOPTIONSdialog(TOOLS–OPTIONSmenuselection)Thesesettingareappliedtofuturemechanismsindiffe

7、rentassemblies.Wewillnotbechangingtheseforthisexercise,butthisisusefultobeawareof.ModelspecificsettingscanbefoundbyexpandingtheAPPLICATIONSBRANCHoftheCatiaTreeview,andundertheDynamicDesignerBranch,rightclickingontheMOTIONMODELbranchandselectingthePROPERTIESoption.Thisoptioncanonlybedo

8、neonc