質(zhì)量功能展開QFD1261753.ppt

4質(zhì)量功能展開,6s,質(zhì)量功能展開,將客戶的要求及愿望(即客戶的心聲)轉(zhuǎn)變?yōu)楫a(chǎn)品/服務(wù)的要求.識別并控制主要的制造過程參數(shù).產(chǎn)品特性、過程參數(shù)及控制變量的文檔關(guān)系。,為什么需要使用QFD?,更短的開發(fā)時間更少的工程更改提高客戶的滿意度更好的過程理解，取得更佳的執(zhí)行成效降低制造成本將最好的產(chǎn)品及服務(wù)提供與客戶改善組織內(nèi)溝通及分配任務(wù)執(zhí)行,客戶要求及重要度,保證措施,關(guān)系矩陣,市場競爭性評估,措施重要度,相互矩陣,質(zhì)量功能展開的四大主要階段,質(zhì)量屋階段1:產(chǎn)品規(guī)劃質(zhì)量屋階段2:零件配置質(zhì)量屋階段3:過程計劃質(zhì)量屋階段4:工藝/質(zhì)量控制矩陣,產(chǎn)品及過程的規(guī)劃階段,執(zhí)行成效測量,CustWants,質(zhì)量屋1,質(zhì)量屋2,PerfMeas,產(chǎn)品特性,質(zhì)量屋4,控制方法,ProcChar,質(zhì)量屋3,ProdChar,過程特性,客戶的心聲,質(zhì)量功能展開質(zhì)量屋1,產(chǎn)品規(guī)劃,執(zhí)行成效測量,客戶需求,關(guān)系矩陣,客戶需求如掛墻墊,如：沒有任何的污點/油漬；適合一般市場要求；獨立式掛靠；穩(wěn)固于墻上；易于從墻上取下；容易打開；有防護；,客戶需求：由客戶確定的一系列產(chǎn)品及服務(wù)的特性.,房屋1掛墻墊例子,PerformanceMeasures,各項需求的重要度,沒有任何的污點/油漬,適合一般市場要求,獨立式掛靠,穩(wěn)固于墻上,易于從墻上取下,容易打開,有防護,客戶需求,對各需求項進行重要度評分,據(jù)客戶對各項要求的重要性，進行100分值范圍內(nèi)評分,質(zhì)量屋1掛墻墊,執(zhí)行成效測量,需求項的重要度評分,沒有任何的污點/油漬,15,適合一般市場要求,25,獨立式掛靠,10,穩(wěn)固于墻上,20,易于從墻上取下,15,容易打開,5,有防護,10,客戶需求,執(zhí)行成效測量,這是一種對客戶要求的產(chǎn)品執(zhí)行情況的技術(shù)評估，進行測量及控制，并不是實際的測試。,掛墻墊的執(zhí)行成效測量,沒有任何的污點/油漬適合一般市場要求獨立式掛靠；穩(wěn)固于墻上；,以12類筆書寫，后檢查污漬情況以12類筆書寫，后檢查污漬情況檢測靠背板的硬度檢測穩(wěn)掛于墻上的時間及其粘住墻上的程度,客戶要求,執(zhí)行成效測量,質(zhì)量屋1掛墻墊,執(zhí)行成效測量,Importance,以12類筆書寫，后檢查污漬情況,檢測靠背板的硬度,包裝測試,易掉落程度,檢測穩(wěn)掛于墻上的時間,粘住墻上的程度,沒有任何的污點/油漬,15,適合一般市場要求,25,獨立式掛靠,10,穩(wěn)固于墻上,20,易于從墻上取下,15,容易打開,5,有防護,10,客戶要求,將客戶要求與執(zhí)行成效的測量結(jié)果聯(lián)系起來,執(zhí)行成效的測量對客戶于各個要求項的滿意度的測算度如何？用如下的等級描述填寫矩陣。:1星期,3中等的,9強度大,空白即指沒有任何關(guān),質(zhì)量屋1掛墻墊,執(zhí)行成效測量,Importance,以12類筆書寫，后檢查污漬情況,檢測靠背板的硬度,包裝測試,易掉落程度,檢測穩(wěn)掛于墻上的時間,粘住墻上的程度,沒有任何的污點/油漬,153,適合一般市場要求,259,獨立式掛靠,109,穩(wěn)固于墻上,20393,易于從墻上取下,159,容易打開,59,有防護,101,客戶要求,WeightedImportance,WeightedimportanceisacalculationusedtoprioritizetheinformationinaQFDmatrix=thesumoftheproductsoftheimportanceandrelationshiplevelsforeachcolumnintheQFDmatrix.InHouse1,theweightedimportancedetermineswhichPerformanceMeasuresarethegreatestpredictorsofcustomersatisfaction.,WeightedImportanceforHouse1,DemandedQualities,(15x3)+(25x9)=270,TheRoofoftheHouse,ComparestheeffectthatachangeinonePerformanceMeasurewouldhaveontheotherPerformanceMeasures.Doesnotinteractwithotherportionsofthehouse.Usesascaleof:strongpositive,positive,none,negative,andstrongnegative.,RoofoftheHouse(House1),+strongpositive+positive-negative-strongnegative,Improvingpeelenergymayhaveastrongnegativeimpactonthetimethesheetsstickonawall.,ChartA-1TheQualityTable,CustomerDemands(What),QualityCharacteristics(How),ANPlanPBCD,Total,Total,%,Companynow,Competitorx,Competitory,Plan,Rateofimportance,Companynow,Competitorx,Competitory,Plan,Ratioofimprovement,Salespoint,Absoluteweight,DemandedWeight,Correlations:9=strongcorrelation3=somecorrelation,1=possiblecorrelation,Salespoints=1.5,1.2,or1D=AxBxC,B=,PN,42,42,69,207,44,396,132,19,171,Easytohold,DoesnotSmear,Pointlasts,Doesnotroll,10546533921911229413019995”3pgs3g70%55pgs2g80%,4”2.5p4g60%5.5”6pgs2g80%,34334113144545511.24.823545351.251.59.444333341.331419,21.2100,Length,Timebetweensharpening,Leaddustgenerated,Hexagonality,QFDHouse2,ProductQualification,ProductCharacteristics,PerformanceMeasures,RelationshipMatrix,ProductCharacteristics,Attributesthatareobservableand/ormeasurableonthefinalproduct.Examples:thickness,color,weight,size,rawmaterialattributes,ProductCharacteristics,WhataretheProductCharacteristicsoftheEaselPad?HowmuchwillchangesinthosecharacteristicsaffectthePerformanceMeasures?Useascaleof1forweak,3formediumand9forstrongtoratetheeffects.,House2-ProductQualificationMatrix,PerformanceMeasures,ProductCharacteristics,PerformanceMeasures,QFDHouse3,ProcessPlanning,ProcessCharacteristics,ProductCharacteristics,RelationshipMatrix,ProcessCharacteristics,Stagesintheprocessthataffectthequality,composition,andcharacteristicsoftheproduct.Observablewhiletheprocessisrunning.Examples:Adhesivecoatingmethod,coatingthickness,ovenorwebtemperature,viscosity,melttemperature,Unwind,PrintedPaper,ReleaseCoating,DryingOven,PrimerCoating,DryingOven,AdhesiveCoating,DryingOven,JumboWind-up,ReleaseCoat,Primer,Adhesive,CoatedJumbo,Sheeting,Cutting,Padding,BackcardApplication,Packaging,Backsheet,PaddingCompound,Backcard,EaselPadProcessFlow,ProcessCharacteristics,WhatarethestagesinthemanufacturingprocessforEaselPads?Whichproductcharacteristicsareimpactedbyeachstage?Usealevelof1,3,9toratetheimpact,House3-ProcessPlanningMatrix,ProductCharacteristics,ProcessCharacteristics,ProductCharacteristics,QFDHouse4,ProcessControlPlanning,ControlMethods,ProcessCharacteristics,RelationshipMatrix,ControlMethods,Thevariablesinaprocessstepthatcanbeadjusted.Example:linespeed,pumpspeed,oventemperature,nippressure.,ControlMethods,Inwhichkeystageoftheprocesswouldimprovementeffortshavethegreatestimpactonproductquality?Whatadjustmentsareyouabletomakeinthisstage?WhatistheimpactofeachadjustmentontheProductCharacteristics?,ProcessCharacteristics,ControlMethods,House4-ProcessControlPlanning,ProcessCharacteristics,TracingtheProcessbacktotheCustomer,TipsforQFD,Watchandvisitthecustomeroftheprocess-therearebenefitstoobservingtheirproductneedsintheirsettingSometimesthecustomersdonotknowwhattheyneed-Findout!ThetimeusedtoimplementQFDisminorcomparedtothetimespentifitisnotusedQF