mechanism_design_tutorial

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1、Title:MechanismDesign:AnalyzingAnExistingLinkageDate:9/5/01MechanismDesign:AnalyzingAnExistingLinkageTableofContents:1)Objective2)Overview3)Metric4)Tutorial5)KeyVocabulary6)TutorialEvaluation7)ConnectionDefinitionsPage1of13Title:MechanismDesign:AnalyzingAnExis

2、tingLinkageDate:9/5/01Objective:Attheendofthistutorial,youwillbeableto:•ExplainwhyMechanismDesignisatoolforearlyprototypeinvestigation.•Describethedifferenttypesofkinematicjointsyoucansimulate.•Identifyacurrentprojectwherethismoduleandtechniquecanbeapplied.Ove

3、rview:Whendesigninglinkagesforamachineitbecomesimportanttounderstandtherelationshipsbetweendifferentpartsastheymoverelativetooneanother.Further,itcanbecomeverycomplextocheckforinterferencesorlockoutsituationsasitmovesthroughit’scompleterangeofmotion.MechanismD

4、esignwithinPro/Engineergivesyoutheabilitytoperformvirtualdesignstudiesbeforeanypartsgetmanufacturedorpurchased.Thisisapowerfulcapabilitythatlet’syoumakedesignchangesearlyinthedesignphasewhenthecostofchangeischeap!Metric:Theexampleusedinthistutorialwasofaclampi

5、ngmechanismusedonawaferloadingmachine.Thisassemblywasfailinginthefieldbecausetherangeofmotioncausedasensortobreakoff.WithMechanismDesign,wewereabletoinvestigatetherangeofmotionforseveraldifferentdesigniterationsinonehourversusthetraditionaldesignapproach,which

6、cantakedays!876Traditional5Design4MethodMechanism3Design210DesignIterationTime(Hours)Page2of13Title:MechanismDesign:AnalyzingAnExistingLinkageDate:9/5/01Tutorial:Theopticalsensoronthisclampingmechanismisbeingbrokeoffwhentheclamparmextendspastit’sassumedrangeof

7、motion.Weneedtoanalyzethemechanismanddeterminetheappropriatecourseofaction,whetherit’ssourcinganewmanufacturerforaircylindersormodifyingtheexistinglinkage.First,we’llgothroughandassemblethepartsusingjointconnectionsandthenwe’llcreateacoupleofdifferentmotionsce

8、nariostorunthelinkagethrough.ClampArm“Flag”OpticalSensorAirCylinderPicture#1Page3of13Title:MechanismDesign:AnalyzingAnExistingLinkageDate:9/5/01Step1:Openclamp_mechanism.asmandbegi