DimensionalEngineering/DimensionalManagement

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BoorlaSrinivasaMurthy CraftsmanshipandDimensionalManagementLeader

CananybodysuggestwhichtoleranceanalysistoolisgoodEasyuse,betterinterfacewithallCADsoftware,reliableresults,lesscost.EtcCanitbeVisVSA,3DCS,CeTol,anyother?? March25,2011

Seepreviouscomments

RalphGiffordMichaelhashitthenailonthehead.It'saboutchoosingtherighttoolbasedonwhatyou'retryingtodo,howmuchtimeyouhave,andyourlevelofexpertise.Ifyou'redoingdesignvalidationratherthandesignoptimization,you'llalsowanttoconsidercompatibilitywithyourCADsystem. October7,2011

RajendraDeshmukhUG,Pro/Eofferlimitedcapabilitiesasfarastoleranceanalysisgoes.Youcanuse3dcsStandAloneversiontopulldatafromPro/E,UGoranyCADsoftwareincludingjtfilesandusethemin3dcsSA.3dcsSAthenallowsusertoapplyvariationusingDCStolerancesORGD&TtolerancesORMixedapproach.(supportforASMEandISOavailable).performstatisticalanalysis(Monte`Carlo,RSS,WorstCase),Sensitivity/HLM,GeoFactor. October8,2011

NormCrawfordRalph,

Justbecauseprocesscapability(SPCcontrols)maybeinplacetoreventvirtualandresultantconditionsfromeveroccuring,itdoesn'tmeanthatthecontributorshouldbeeliminatedfromanystatisticalanalysis.ButIamgladtohearthatEnventivetakesthecontributorunderconsideration.Iwouldlovetovalidatethatonarelativelysimplemodel.

RajendraWhatisaDCStolerancevsaGD&Ttolerance?Isthereanewstandardthere?WhatisaMixedapproachtotolerances? October10,2011

NormCrawfordWhenitcomestotoleranceanalysisandpartdefinition,IhavetowonderhowpartsarebeingtolerancedwithoutGD&T.Yes,thereareotherstandardsthatcoverGD&TbesidesY14.5,butsurelyoneofthemisbeingused.Right?IfpartsarebeingdefinedwithoutGD&T,Iwouldthink

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thatchoiceoftoleranceanalysistoolistheleastofproblems.:) October10,2011

NormCrawfordFarshidWhenyouaskaboutUG,IamassumingyouareaskingabouttheNXCADsystem.Ifso,thatsystemhasananalysismodulethatincludesTSV(ToleranceStackupValidation).TSVisessentiallyaVSAlightandanalysismodelsinTSVcanthenbedirectlyimportedintoVSAformoredetailedandadvancedanalysis.AsfarasIknow,Pro/EusersgravitatetotheCEToladdon.Thesignificantdifference,inmyopinion,isthatTSVanalyzesdatumshiftbutlastIknewCEToldoesnoteventhoughitallowsthematerialmodifiersinthedatumreferenceframes.Witheitheroneofthesetwo,Ithinkyouarewaybetteroffthantryingtodomultipartassemblystacksbyhand. October10,2011

NormCrawfordFarshidSorryImissedyourquestion,YesIhaveconsiderableexperiencewithTeamcenterVisualizationVisMockupsincethatiswhereVSAactuallyfunctionsasanoption.October10,2011

MichaelLiuAnearliercommentmademeremembersomethingfromafewyearsback.Whentheproductionreleasedrawingswerelateonacertainprogram...Iheardanirrateprogrammanagerask,"whytheh*llcan'tyoumakeagagewithoutadrawing?"

MythoughtisthatifmodelsarebeingwrittenwithoutGD&T....atleastthatisconsistentinpractice....IthinkdrawingsarealsobeingreleasedwithoutGD&T....oronlyafterprocessingthosedrawingsbyaGD&Tdredge.

Mythoughtthough...Idon'tthinkthisisanedgeforVSA...ThetruthisthatDCSdoesallowtheusertofollowtherulesofY14.5M...althoughwhenIusedit,onecouldstillviolatesomerules.I'veseenvariationmodelsbutcheredinVSA,3DCS,andCeTolsoftwarepackages...andI'veseengoodonesinall3.

Abiggerfactormaybepersonnel.

Ithinkthesepackagesrequireveryexperiencedpersonnel.But,unfortunately,thattalentpoolisdisappearing...Inthelastcoupleofweeks,sometop3Dvariationanalysisprofessionalswerelaidoff.Itmakesmewonderif"modelingpros"aregoingthewayofthedrawingchecker.October10,2011

NormCrawfordWellMike,myguessisthattherealissueisthatcompaniescontinuetotryandshortcuttherelativelysimpleknowledgeandapplicationofGD&T.Itseemseveryonewantsasimplesolutiontohandlethesocalledsimple+/dimensions.Therealissueisthatveryfewpeoplereallyunderstandthevariationandinterpretationofthesocalled+/dimension.Itisveryveryrareforanengineertoanswerthequestionsrelatedtoa+/dimensioninaGD&Tfundamentalsclass,butsomehowtheywerecomfortablewithusingthemparticularlyifthedrawinginfactssaystointerpretthedrawingpertheASMEY14.5standard.(Idon'treallycarewhatyear.:))Asforgooddimensionalmanagementtypesbeinglaidoff?Thattoojustamazesme.Toooftencompanymanagementjustisnotpresentedwiththe"money"withregardtogoodvspoordimensionalmanagement.Ihavepersonallyseenprojectplansthat"plan"forthetoolingchangesandprojectdelaysmostofwhichwillbeduetodimensionalissues.Simplyamazing.October10,2011

PrabhathKakaraparthiYa,CETOLisreallygood.Maybeintheinitialstageittakestimeforsomepersonstogetcomfortablewiththesoftware,butitisreallygood. October15,2011

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farshidhesamihi

ImlookingforlinkfordownloadTeamCenterVisulaizationProduct..

Pleasehelpme. October15,2011