control chart中文assignable variation中文Control chart ExcelCommon cause system onlyControl chart out of controlRules of control chartSpecial cause Vs Assignable CauseQuality control chartControl chart PMPUpper control limit calculatorAssignable variationCommon cause variation vs assignable cause variationSpecial cause variationAssignable Cause: Learn More From Our Online Lean Guide
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An assignable cause is a type of variation in which a specific activity or event can be linked to inconsistency in a system. 🔍>LeanTermsDirectory AssignableCauseLastupdatedbyJeffHajekonDecember22,2020Anassignablecauseisatypeofvariationinwhichaspecificactivityoreventcanbelinkedtoinconsistencyinasystem.Ineffect,itisaspecialcausethathasbeenidentified. Asarefresher,commoncausevariationisthenaturalfluctuationwithinasystem.Itcomesfromtheinherentrandomnessintheworld.Theimpactofthisformofvariationcanbepredictedbystatisticalmeans.Specialcausevariation,ontheotherhand,fallsoutsideofstatisticalexpectations.Theyshowupasoutliersinthedata. Variationisthebaneofcontinuousimprovement.Itdecreasesproductivityandincreasesleadtime.Itmakesithardertomanageprocesses. Whilewecandosomethingaboutcommoncausevariation,typicallythereisfarmorebangforthebuckbyattackingspecialcauses.Reducingcommoncausevariation,forexample,mightrequirereplacingamachinetoeliminateafewsecondsofvariationincuttingtime.Aspecialcausevariationonthesamemachinemightbetheresultofweldspatterfromapreviousprocess.Theirregularitiesinasurfacemightmakeapartfitintoafixtureincorrectlyandrequiresometime-consumingrework.Commoncausestendtobesystemicandrequirelargeoverhauls.Specialcausestendtobemoreisolatedtoasingleprocessstep. Thefirststepinremovingspecialcausesisidentifyingthem.Ineffect,youturnthemintoassignablecauses.Onceasourceofvariationisidentified,itsimplybecomesamatterofdevotingresourcestoresolvetheproblem. Oneoftheproblemswithcontinuousimprovementisthatthelanguagecanbemurkyattimes.Youmayfindthatsomepeopleusespecialcausesandassignablecausesinterchangeably.Specialcauseisafarmorecommonterm,though. Ipreferassignablecause,asitcreatesanimportantmentaldistinction.Itimpliesthatyou… ExtendedContentforthisSectionisavailableattraining.Velaction.com Categories: LeanTerms Tags:"A"LeanTermslinkedinPracticalGuideVolume3 0Comments LeaveaReplyCancelreplyYouremailaddresswillnotbepublished.Requiredfieldsaremarked*Name* Email* Website What'sonyourmind? MEMBERSHIPS POPULARPRODUCTS QUICKLINKS
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