7颗钻石质量问题解决流程.ppt

,1,7DiamondProcess七颗钻石流程,Revised:8Aug2008,2,Whatisthe7DiamondProcess?七颗钻石的流程是什么？,The7DiamondProcessisoneofmanytoolsthatcanbeusedintheproblemsolvingprocess.七颗钻石流程是可以用来解决质量问题的工具之一。Thistoolisusedtoinvestigatediscrepanciesdiscoveredbythefollowing:它可以用来调查以下方面发现的差异GlobalCustomerAudit(GCA)全球客户评审ShippingPriorityAudits(SPA)发运优先级评审VerificationStations检验工位Other(Warranty,JDPower)其它(售后索赔、JDP),3,Purposeofthe7DiamondProcess7颗钻石流程的目的,The7DiamondProcessisastructuredwayofassessingourmanufacturingprocesstodeterminewhetherofnotithasfailedtomeetthequalitystandarddemandedbyourcustomers.7颗钻石流程是一个构建好的评价我们的制造流程是否满足了顾客所要求的质量标准的一个方法,4,7DiamondProcess流程,Responsibility责任,QETPST(Lead)5b,SMTRGM(Lead)6,StatisticalEngineering(RedXStrategies)统计工程(红-X方法)7,WillProcessChangeResolve?工艺更改能解决问题吗,ProductChangeRequired?产品更改需要吗？,HardyPerennialorExtremelyComplexProblem非常复杂的问题,SQA-SupplierQualityAssuranceQET-QualityEngineeringTeamPST-PlantSupportTeamSMT-SystemsManagementTeamRGM-ReliabilityGrowthManagement,5,ReviewofResponsibility职责回顾,Diamonds1-4ProductionThecustomerenthusiasmlimitis18lbs.thisisenoughtokeepthedoorpanelinpositionatlowcost.一旦确定RedX为门外板装饰件，我们决定改变策略，从车型到车型变到卡车到卡车，因为门外板装饰件对Cadillac车型来说是唯一的。换句话说，同样的门板装在805/830车型上却产生了差异，原因是一些门板从门上拽出需要20磅的力，二另一些只需要小于10磅的力;顾客的要求是18磅，这已经足够保证门板以较低的成本固定到相应的位置。,BOB,WOW,BIGCONTACTAREA,SMALLCONTACTAREA,大间隙BIGGAP,小间隙SMALLGAP,门边缘DOORFLANGE,门边缘DOORFLANGE,Themaincharacteristicthatcausedifferencebetweenthedoorpanels805/830modelisthepoorcontactoftheflangeonthedoorduethattherearepanelsthatpresentsomedeformationonthetopedgeandcausethepoorcontact.引起805/830车型门外板差异的主要特征饰门边缘连接不良，导致门板上边缘变形,BOBvsWOWdoorpanel最好、最坏门外板对比,DOORFLANGECURRENTUSED,DOORFLANGEPROPOSED,Thispictureshowsthatifwechangethedoorflange1.5mmlenghtweguaranteethatalldoorpanelsrequirealmost18lbstopulloutitpositionbecausethecontactareawillbebiggeragainstdoorflangecurrent,DOORFLANGECURRENTUSED,DOORFLANGEPROPOSED,这张图片表明如果我们把门边缘加长1.5mm，我们确保开门力会增大18磅，原因是接触面积比当前增大了。,当前使用的门边缘,推存使用的门边缘,B=Vehicleswithnewflangelongerthan8.5mm.C=Vehicleswithcurrentflangesmallerthan7.9mm.Req:confidence=95%,PassedBvsCwith95%ofconfidencethatthenewflangelength1.5mmistheRedXwithcompleteseparationandendcountof6.,BvsCSixpack,B=门边缘比当前长8.5mm的汽车C=门边缘比当前小7.9mm的汽车可信度为95%,检测数据通过了BvsC，95%可以相信加长1.5mm的门边缘是完全独立的红X，并且累计数是6。,CUSTOMERSATISFACTIONLIMIT,CURRENTPROCESS,BREAKPOINT,Effort(lbs),GreenYRunChart,RLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLR