六西格玛辞典

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1、六西格玛辞典（英文）SixSigmaGlossary★BenchmarkingAnimprovementprocesswherebyacompanymeasuresitsperformanceagainstthatofbest-in-classcompanies,determineshowthosecompaniesachievedtheirperformancelevels,andusestheinformationtoimproveitsownperformance.★BlackBeltFull-timeSixSigmaprojectleaderwhoiscertifiedfollowi

2、ngafour-monthtrainingandapplicationprogramandsuccessfulcompletionoftwoSixSigmaProjects,thefirstundertheguidanceofaMasterBlackBelt,thesecondmoreautonomously.★DMAICThedatadriven,SixSigmaprocessimprovementstrategyinvolving5phases:Define,Measure,Analyze,ImproveandControl.★CauseThatwhichproducesaneffect

3、orbringsaboutchange.★Cause-And-EffectDiagramAschematicsketch,usuallyresemblingafishbone,whichillustratesthemaincausesandsubcausesleadingtoaneffect(symptom).AlsoknownasFishboneDiagram.★ChampionNormallyseniorstaffofthecompanywhohasundergoneextensiveSixSigmatraining.Championsprovidedirection,resources

4、andsupporttotheSixSigmaeffortandpproveandreviewprojects.★CharacteristicAdefinableormeasurablefeatureofaprocess,productorvariable.★ControlChartAgraphicalrenditionofacharacteristic’sperformanceacrosstimeinrelationtoitsnaturallimitsandcentraltendency.★CorrelationThedeterminationoftheeffectofonevariabl

5、euponanotherinadependentsituation.★CpAwidelyusedcapabilityindexforprocesscapabilitystudies.Itmayrangeinvaluefromzerotoinfinitywithalargervalueindicatingamorecapableprocess.SixSigmarepresentsCpof2.0.★CpkAnindexcombiningCpandK(Differencebetweentheprocessmeanandthespecificationmean)todeterminewhethert

6、heprocesswillproduceunitswithintolerance.CpkisalwayslessthanorequaltoCp.Whentheprocessiscenteredatnominal,CpkisequaltoCp.★CriticalToQuality(CTQ)Anelementofadesignoracharacteristicofapartthatisessentialtoqualityintheeyesofthecustomer,formerlyknownasakeyqualitycharacteristic(KQC).★DataFactualinformat

7、ionusedasabasisforreasoning,discussionorcalculation;oftenreferstoquantitativeinformation.★DefectAfailuretomeetanimposedrequirementonasinglequalitycharacteristicorasingleinstanceofnonconformancetothespecific