1、6因果矩阵图mwcc6Sigma事务局制作日期：2003.2.20范例：圆圆周焊接接不良率率低减50%mwcc6Sigma事务局CauseandEffectsMatrix因果矩阵阵mwcc6Sigma事务局目的的CauseandEffects(C&E)Matrix因果矩阵阵为流程图的的后续关关联作业业讨论C&EMatrix的步骤将C&EMatrix和流程改改善中的的后续步步骤相衔衔接练习C&EMatrix因果矩阵阵mwcc6Sigma事务局流程改善善方法论论步骤：流程量量测规划项目目并确认认流程输输入输出出主要变量量对于主要要测量系系统执行能力力分析执行短期期流程能能力研究究并评估估控制计划划
2、controlplan步骤：流程分分析完成FMEA并评估控控制制计划完成多变变量分析析并鉴别别潜在的的主要输入入重新检讨讨资料重重点区分分主要输入变量量步骤：流程改改善应用设计计试验确确认关键键的输入入决定最佳佳的操作作程序更改控控制计计划步骤：流程控控制完成流程程控制计计划持续的确确认流程程稳定性性和能力力mwcc6Sigma事务局漏斗效应应测量MEASURE分析ANALYZE改善IMPROVE控制CONTROL30+输入10-158-104-83-6所有变量量Xs找出显著著因素找出主要要因素找到关键键因素Xs控制关键键变量Xs关键的输输入XsProcessMapsC&EMatri
3、xFMEAMulti-VaristudiesDesignofExperiments(DOE)ControlPlansmwcc6Sigma事务局项目叙述述ProcessMap流程图C&EMatrix因果矩阵阵初步的FMEAMSA测量系统统分析流程能力力研究Multi-VariStudies多变量分分析测量MEASURE分析ANALYZE改善IMPROVE控制CONTROLDOE试验设计计(或其他改改善方法法)控制计划划交接训练练最终流程程能能力研究究项目责权权移交最终项目目报告项目追踪踪mwcc6Sigma事务局CauseandEffectsMatrix因果矩阵阵此为简易易的Qualit
8、#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!Totalmwcc6Sigma事务局Cause&EffectsMatrix表123456712345678在大多数数项目中中,使用高层层次的Ys!RatingofImportancetoCustomerRequirementRequirementRequirementRequirementRequirementRequirementRequirementProcessStepProcessInput#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF
9、!Totalmwcc6Sigma事务局范例例在ProcessMapping的第一步步骤中输输出值就就被确定定123456RatingofImportancetoCustomerPaintthicknessRateCoverageSurfacequalityProperschemeProcessStepProcessInput#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!PainthardnessTotal1.列出主要要的输出值mwcc6Sigma事务局Cause&EffectsMatrix表123456712345678Rating
10、ofImportancetoCustomerRequirementRequirementRequirementRequirementRequirementRequirementRequirementProcessStepProcessInput#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!Total2.根据对顾顾客的重要性来来决定重要性权权数mwcc6Sigma事务局范例例79410810123456这个步骤骤包含营营销、产产品研发发和制造造部门，如果可可行的话话，还应应该包括括顾客代代表2.根据对顾顾客的重要性来来决定重要性权权数Rat
11、ingofImportancetoCustomerPaintthicknessRateCoverageSurfacequalityProperschemeProcessStepProcessInput#REF!#REF!#REF!#REF!#REF!#REF!#REF!PainthardnessTotalmwcc6Sigma事务局Cause&EffectsMatrix表123456712345678RatingofImportancetoCustomerRequirementRequirementRequirementRequirementRequirementReq
12、uirementRequirementProcessStepProcessInput#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!Total3.依流程步步骤列出输出出值mwcc6Sigma事务局范例79410810123456该步骤直直接使用用了ProcessMap中的输入入值。请请注意流流程输入入值必须须按照Processmap的顺序排排列3.依流程步步骤列出输出出值RatingofImportancetoCustomerPaintthicknessRateCoverageSurfacequalityProperschemePr
13、ocessStepProcessInputPainthardnessTotalPrimePrimePrimePrimePrimePrimePrimePrimeContaminationRoughnessAirpressureLotnumberNozzletypePrimerageAmbienttempRelativehumidityPaintContaminationmwcc6Sigma事务局Cause&EffectsMatrix表1234567123456784.确定输入入与输出之间间的关系RatingofImportancetoCustomerRequirementRequire
15、6Sigma事务局范例79410810123456PrimeSurfacecontamination133990PrimeSurfaceroughness013390PrimeAirpressure919990PrimeLotnumber130313PrimeNozzletype903990PrimePrimerage999390PrimeAmbienttemp139030PrimeRelativehumidity199190PaintSurfacecontamination1939914.确定输入入与输出之间间的关系此为主要要输入对对主要输输出的影影响程度度的主观观估计
17、mentRequirementRequirementProcessStepProcessInput#REF!#REF!#REF!#REF!#REF!#REF!#REF!Total#REF!mwcc6Sigma事务局Cause&EffectsMatrix表-范例1234567891011121314151020304050607080RatingofImportancetoCustomerRequirementRequirementRequirementRequirementRequirementRequirementRequirementProcessStepProc
18、essInputTotalRequirementRequirementRequirementRequirementRequirementRequirementRequirementRequirement89（89)=7272mwcc6Sigma事务局Cause&EffectsMatrix表-范例1234567891011121314151020304050607080RatingofImportancetoCustomerRequirementRequirementRequirementRequirementRequirementRequirementRequirementProcess
19、StepProcessInputTotalRequirementRequirementRequirementRequirementRequirementRequirementRequirementRequirement89（89)+(13)=757513mwcc6Sigma事务局范例79410810123456PrimeSurfacecontamination133990208PrimeSurfaceroughness013390123PrimeAirpressure919990270PrimeLotnumber130313102PrimeNozzletype903990237
20、PrimePrimerage999390282PrimeAmbienttemp13903094PrimeRelativehumidity199190206PaintSurfacecontamination1939912725.交叉相乘乘并排定先次次序至此我们们开始感感觉到哪哪个变量量对输出出的变异异最为重重要RatingofImportancetoCustomerProcessStepProcessInputTotalPaintthicknessRateCoverageSurfacequalityProperschemePainthardnessmwcc6Sigma事务局Pa
21、retoofKPIVs范例909999351999933324939993318999390282999390282193991272919990270903990237结果集中中注意于于5-8个输入值值ProcessStepProcessInputPrimePaintPaintPaintPaintPaintPaintPrimePaintviscosityNozzletypeAirpressurePrimeragePaintageAirpressureSurfacecontaminationNozzletypemwcc6Sigma事务局CauseandEffectsMatrix圆周焊接接