欢迎来到天天文库
浏览记录
ID:44272254
大小:3.47 MB
页数:36页
时间:2019-10-20
《Mistake_Proofing-Poka_yoke》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、MistakeProofing(PokaYoke)Techniquesthatmakeitimpossibletomakemistakes1Tableofcontents1)Returnsproducebymistakeproofingpage32)Whatismistakeproofingpages4-73)MistakeproofingversusStatisticalProcessControlpages84)Anewattitudetowardpreventingerrorspages9-155)Overviewofthediffer
2、entinspectiontechniquespages16-206)Theultimategoal:achievingzerodefectspages21-237)TypesofPokayokecontrolsystemspages24-268)TypesofPokayokedevicespages27-309)Typesofsensorsusedpages31-3410)Guidelinesandrulespages35-3621)Returnsproducebymistakeproofing?Mistakeproofing(PokaYok
3、e)willallowyoutodecrease:humanerrors,defectiveproductsatcustomers’,nonqualitycostsMistakeproofing(PokaYoke)willallowyoutoincreasealso:productivity,profitsAfewexamples:Danacorporationhasreporteda$500,000savingsresultingfroma$6deviceOrtho-ClinicalDiagnostics(Johnson&Johnson)sa
4、ved$75000annuallybyimplementinganewPokayokeAT&TPowerSystems(LucentTechnologies)reportednetsavingof$2545perdevice(3300devices)32)Whatismistakeproofing?Theuseofprocessordesignfeaturestopreventerrorsortheirnegativeimpact.AlsoknownasPokayoke,Japaneseslangfor“avoidinginadvertente
5、rrors”whichwasformalizedbyShigeoShingo(Toyota).Inexpensive.Veryeffective.Basedonsimplicityandingenuity.APokayokedeviceisanymechanismthateitherpreventsamistakefrombeingmadeormakesthemistakesobviousataglance4EverydayExamplesWhichdialturnsontheburner?StoveA-difficulttoswitchonS
6、toveB-simple,visuallytoswitchon5OthereverydayExamplesNewlawnmowersarerequiredtohaveasafetybaronthehandlethatmustbepulledbackinordertostarttheengine.Ifyouletgoofthesafetybar,themowerbladestopsin3secondsorless.Fuelingareaofcarhasthreeerror-proofingdevices:1.insertkeepsleaded-f
7、uelnozzlefrombeinginserted2.tetherdoesnotallowlossofgascap3.gascaphasratchettosignalpropertightnessandpreventovertightening.6CostofPokayokedevices…About50%ofPokayokedevicescostlessthan$100About90%ofPokayokedevicescostlessthan$1,000MakingprocessesbetterthankstoPokayokeleadsto
8、reduced:ReworkScrapWarrantycostsInspectioncosts...versuscostofdefects73)Mis
此文档下载收益归作者所有
点击更多查看相关文章~~