質(zhì)量功能展開(kāi)QFD1261753.ppt

4質(zhì)量功能展開(kāi),6s,質(zhì)量功能展開(kāi),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(shí)別并控制主要的制造過(guò)程參數(shù).產(chǎn)品特性、過(guò)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(kāi)發(fā)時(shí)間更少的工程更改提高客戶的滿意度更好的過(guò)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(chǎng)競(jìng)爭(zhēng)性評(píng)估,措施重要度,相互矩陣,質(zhì)量功能展開(kāi)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(guò)程計(jì)劃質(zhì)量屋階段4:工藝/質(zhì)量控制矩陣,產(chǎn)品及過(guò)程的規(guī)劃階段,執(zhí)行成效測(cè)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(guò)程特性,客戶的心聲,質(zhì)量功能展開(kāi)質(zhì)量屋1,產(chǎn)品規(guī)劃,執(zhí)行成效測(cè)量,客戶需求,關(guān)系矩陣,客戶需求如掛墻墊,如：沒(méi)有任何的污點(diǎn)/油漬；適合一般市場(chǎng)要求；獨(dú)立式掛靠；穩(wěn)固于墻上；易于從墻上取下；容易打開(kāi)；有防護(hù)；,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(xiàng)需求的重要度,沒(méi)有任何的污點(diǎn)/油漬,適合一般市場(chǎng)要求,獨(dú)立式掛靠,穩(wěn)固于墻上,易于從墻上取下,容易打開(kāi),有防護(hù),客戶需求,對(duì)各需求項(xiàng)進(jìn)行重要度評(píng)分,據(jù)客戶對(duì)各項(xiàng)要求的重要性，進(jìn)行100分值范圍內(nèi)評(píng)分,質(zhì)量屋1掛墻墊,執(zhí)行成效測(cè)量,需求項(xiàng)的重要度評(píng)分,沒(méi)有任何的污點(diǎn)/油漬,15,適合一般市場(chǎng)要求,25,獨(dú)立式掛靠,10,穩(wěn)固于墻上,20,易于從墻上取下,15,容易打開(kāi),5,有防護(hù),10,客戶需求,執(zhí)行成效測(cè)量,這是一種對(duì)客戶要求的產(chǎn)品執(zhí)行情況的技術(shù)評(píng)估，進(jìn)行測(cè)量及控制，并不是實(shí)際的測(cè)試。,掛墻墊的執(zhí)行成效測(cè)量,沒(méi)有任何的污點(diǎn)/油漬適合一般市場(chǎng)要求獨(dú)立式掛靠；穩(wěn)固于墻上；,以12類筆書(shū)寫(xiě)，后檢查污漬情況以12類筆書(shū)寫(xiě)，后檢查污漬情況檢測(cè)靠背板的硬度檢測(cè)穩(wěn)掛于墻上的時(shí)間及其粘住墻上的程度,客戶要求,執(zhí)行成效測(cè)量,質(zhì)量屋1掛墻墊,執(zhí)行成效測(cè)量,Importance,以12類筆書(shū)寫(xiě)，后檢查污漬情況,檢測(cè)靠背板的硬度,包裝測(cè)試,易掉落程度,檢測(cè)穩(wěn)掛于墻上的時(shí)間,粘住墻上的程度,沒(méi)有任何的污點(diǎn)/油漬,15,適合一般市場(chǎng)要求,25,獨(dú)立式掛靠,10,穩(wěn)固于墻上,20,易于從墻上取下,15,容易打開(kāi),5,有防護(hù),10,客戶要求,將客戶要求與執(zhí)行成效的測(cè)量結(jié)果聯(lián)系起來(lái),執(zhí)行成效的測(cè)量對(duì)客戶于各個(gè)要求項(xiàng)的滿意度的測(cè)算度如何？用如下的等級(jí)描述填寫(xiě)矩陣。:1星期,3中等的,9強(qiáng)度大,空白即指沒(méi)有任何關(guān),質(zhì)量屋1掛墻墊,執(zhí)行成效測(cè)量,Importance,以12類筆書(shū)寫(xiě)，后檢查污漬情況,檢測(cè)靠背板的硬度,包裝測(cè)試,易掉落程度,檢測(cè)穩(wěn)掛于墻上的時(shí)間,粘住墻上的程度,沒(méi)有任何的污點(diǎn)/油漬,153,適合一般市場(chǎng)要求,259,獨(dú)立式掛靠,109,穩(wěn)固于墻上,20393,易于從墻上取下,159,容易打開(kāi),59,有防護(hù),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