Six Sigma是一种经营管理理念(ppt 181)

CTICollaborativeTechnologymgt&InnovationCTI来自来自是一種經營管理理念，也是一套有系統的管理手法，目的是在定義的目標之下，追求最小的變異，獲得最大的獲利水準。CTI集團陳憲章博士六標準差為一全面且具彈性的系統，可用於獲取、維持和擴大企業成功。六標準差的趨動要素，在於洞悉顧客之需，嚴格使用事實、資料、統計分析，以及全力關注業務流程的管理、改善和創新。ThesixsigmawayCTICollaborativeTechnologymgt&InnovationCTI来自(y)andassociatingitwiththepossibleinputsistheconceptstoavoid,ifnot100%sure,eliminatethecausesofvariancesinintentoutputs.Bydoingsowecanminimizethewaste–lean.-Usebesttoolstoachievethegoalsofavoidingcause,detectfailure,&compensatetheeffectsSixSigmaBasicConceptCTICollaborativeTechnologymgt&InnovationCTI来自(stddev.Is6%)Professionalsare3%(std.dev.Is2%)AbsoluteProfessionalswithoutcheck/balanceare11%(stddev.Is11%)ForWhiteCollarworksForBlueCollarworksSkilledOperatorsare1%(stddev.Is.8%)withoutErrorProofingOptionsUnskilledOperatorsare7%(stddev.Is6.8%)withoutErrorProofingOptionsForInstrumentControlOperationsBasedonaccuracyandsensitivityoftheinstrumentitcanbeanythingfrom0.05%to3.0%Likely,formostindustryinstrumentitisaround0.5%CTICollaborativeTechnologymgt&InnovationCTI来自可歸因的外在變異(Assignablecause)i.e.一般內在因素變異&KCCetc.i.e.CTQSpec.KPC,&etc.SIPOC的觀念CTICollaborativeTechnologymgt&InnovationCTI来自来自如果結果只被一個輸入因素影響，則1:1,suchasY=X.CTICollaborativeTechnologymgt&InnovationCTI来自範例：在無外部噪音與內部變因的完美狀況CTICollaborativeTechnologymgt&InnovationCTI来自擲一塊硬幣的機率CTICollaborativeTechnologymgt&InnovationCTI来自(分配)andProbability(機率)Frequency123465432150.0270.0560.0630.1110.1390.1670.1390.1110.0630.0560.027%23456789101112CTICollaborativeTechnologymgt&InnovationCTI来自来自中心線與標準差CTICollaborativeTechnologymgt&InnovationCTI来自然而在很多條件情況下，結果是一個分佈CTICollaborativeTechnologymgt&InnovationCTI来自非期待流程/製程InputDesirable期待OutputControlControlNoises噪音Man人Machine機Material料Method法Environment環境CTICollaborativeTechnologymgt&InnovationCTI来自中国最大的资料库下载考慮噪因(noise)的情況OutputInputYXNoiseCTICollaborativeTechnologymgt&InnovationCTI来自中国最大的资料库下载流程/製程Man人Machine機Material料Method法Environment環境Input好的產品有缺點的產品OutputProcessControl&SPCQualityinspection&SQC品質檢驗&統計品管洪水,地震,罷工等在實際的環境下CTICollaborativeTechnologymgt&InnovationCTI来自=InputY1=X1Y1=F(X1)Y1=F(Xi)Y1=ΣF(Xi)Y1=πF(Xi)Yj=πF(Xi)•有多少輸出變數？•有多少輸入變數？•那幾個是重要輸出變數？•那幾個是重要輸入變數？•將重要輸出變數與重要輸入變數連結現實環境下的流程模式CTICollaborativeTechnologymgt&InnovationCTI来自=X1+X2+X3+…Xn結果就更複雜了…當不是只有一個輸入變數時InputX1InputX2InputX3InputXnCTICollaborativeTechnologymgt&InnovationCTI来自来自来自(%)68.2795.4599.7399.993799.99994399.9999998PossibleDefectiveppm3173004500270083.57.002完美狀況理論值Spec.Limit+/-1+/-2+/-3+/-4+/-5+/-6Percent(%)30.2369.1393.3299.379099.9767099.999660PossibleDefectiveppm6977003087006681062102333.4大多數狀況實際值CTICollaborativeTechnologymgt&InnovationCTI来自(%)30.2369.1393.3299.379099.9767099.999660PossibleDefectiveppm6977003087006680062102333.4CTICollaborativeTechnologymgt&InnovationCTI来自来自(DefectivePartsPerMillion)6SigmaCondition--3-4PPM(DefectivePartsPerMillion)1%25%SalesSalesSource:Monro&Assoc.Inc.CTICollaborativeTechnologymgt&InnovationCTI来自中国最大的资料库下载企業經營成功的指標投資報酬未來成長的體質客戶滿意度保固成本回收(Warrantypay-off(DPTP)生產力第一時間點的良率(1stTimeyieldandQuality)產業排比(IndustrialRating)CTICollaborativeTechnologymgt&InnovationCTI来自中国最大的资料库下载品質指標允收水準(AQL/AOQL)SPCwithestimateddefectiverate&trend製程(流程)能力指標ProcessCapabilityIndexCTICollaborativeTechnologymgt&InnovationCTI来自