catia运动仿真教程.pdf

《catia运动仿真教程.pdf》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、CranksliderMechanismTutorialProblemStatementThepurposeofthisexerciseistousetheIntelliMotionBuildertodemonstratetheprocedureforconfiguringthemechanismandtothencheckforinterference.ArmLink1Link2CardanCrankCollarThemechanismcomprisesofacrankconnectedvialink1andauniversaljoint(cardancomponent

2、)totheArmcomponenttoprovideanoscillatorymotion.Thisinturnisconnectedviaanotherlinktoacollarthatslidesbackandforthonashaft.Step1OpenModel&SetWorkbenchYouwillneedtoruntheDDMV5R7orDDMV5R8profileshortcuttoenabletheDynamicDesignerWorkbench.Opentheproductfilecrankslider_tutorial.CATProductlocat

3、edinthecrankslidersub-folderinthetutorialsdirectoryoftheinstallation.IfyourworkbenchisnotalreadysettoDynamicDesigner(lookattheWorkbenchiconatthetoprighthandsideofthetoolbar),thenactivatetheDynamicDesignerWorkbenchunderSTART–DIGITAL_MOCKUP–DYNAMICDESIGNER.TheDynamicDesignercommandscanbeacc

4、essedviathetoolbariconsorthepulldownmenu(seebelow)Step2CreateMechanismfromAssemblyToautocreatethemechanismfromtheassembly,clickontheConvertMechanismIcon.Thiswillbringupadialogboxaskingifyouwanttoconverttheassemblyconstraintswhenthemechanismiscreated.Makesurethisoptionisselectedbeforeproce

5、eding.TheScreenshouldnowlooklikethatbelowwheretherearemotionentityiconsonthegraphicsscreen.ExpandthetreeviewtoshowtheAPPLICATIONS–DYNAMICDESIGNERbranches.Youshouldseethefollowingmechanismdata:NotethattheassemblyconstraintshavebeenmappedtoDynamicDesignerjointsandthatthegroundedpartsintheas

6、semblyhavebeenautomaticallymadegroundedinDynamicDesigner.Step2DefaultSimulationSettingsTheDynamicDesignerSettingscanbeaccessedfromtwolocations.GlobalsettingscanbefoundintheCatiaOPTIONSdialog(TOOLS–OPTIONSmenuselection)Thesesettingareappliedtofuturemechanismsindifferentassemblies.Wewillnot

7、bechangingtheseforthisexercise,butthisisusefultobeawareof.ModelspecificsettingscanbefoundbyexpandingtheAPPLICATIONSBRANCHoftheCatiaTreeview,andundertheDynamicDesignerBranch,rightclickingontheMOTIONMODELbranchandselectingthePROPERTIESoption.Thisoptioncanonlybedoneonc