FMEA培训 韩文版.ppt

FMEA培训 韩文版.ppt고장형태영향분석(FMEA)(주)(설계고장형태영향분석)(공정고장형태영향분석)◆FMEA+(P)---->(P)FMEAPotential:잠재적(발생할가능성이있는)Failure:고장(불량)Mode:형태Effects:영향Analysis:분석FMEA개요1-①발생할수있는잠재적고장형태와그영향을인식하여(심각도)②원인/발생과정을파악하고(발생빈도)③검출/관리방법을평가하여(검출도)각각점수화한후이들의곱을위험우선수(RPN,1~1000)로정하며,높은위험우선수의고장유형에대하여적절한대책을세움으로써,고장의위험을사전에예방한다는것을보장하는수단임.“발생할가능성이있는”“발생한”기능,특징또는요구사항은무엇인가무엇이잘못될수있는가-기능상실-저하된기능-간헐적기능-의도되지않은기능그영향은무엇인가얼마나나쁜가그원인은무엇인가얼마나자주일어나는가그것을어떻게예방및검출할수있는가검출은얼마나신뢰할수있는가무엇을해야하는가-설계변경-공정변경-특별관리-표준,절차지침의변경화장실에서넘어진사건현상및상황4살박이아이,타일로된화장실바닥,거실쪽에는매트,아빠는밤늦게까지회사의다른사무실에,애가넘어져뒤통수에서출혈이심하고,애엄마는혼자서당황아빠는연락이안되고,택시는잘안잡히고,어느병원으로,치료비(현금)는부족하고대비부족미끌어짐,연락이안됨,응급조치를못함,당황,현금부족그래도고장은생긴다과학이란?가설실험실험결과가설의채택어떤문제가어떻게검증을◆QS-9000의분류①설계FMEA(DFMEA)②공정FMEA(PFMEA)③시스템FMEA(SFMEA)1-(관리계획서)설계대로만들면되는지?설계대로만들수있는공정인지?설계대로만들어졌는지?FMEA의종류와단계별실시공정설계양산1-,만족하지못할때는개선활동을통해고장을사전에예방하고자하는신뢰성활동목적●사외:◆고객만족(CS)실현---고객에게제품의신뢰성보장◆고객및모기업의제품/공정의품질보증일환(QS-9000,IS0-9000,)◆발생가능한고장유형의RISK대비(PL소송등)●사내:◆고장정보의DATABASE---기술의축적↔회사의실력◆최적제품/공정설계를위한고장유형평가방법◆철저한설계관리및공정관리방안을도출하기위한기본자료필요성PDCACycle은Engineering의기본CheckDoPlanActtoadjust설계구상설계설계검증설계변경1차설계검증:설계과정점검,대체계산,puterSimulation3차설계검증:LabTest,VehicleTestFMEA8pageROBUSTDESIGNFMEADVPQFDDR시험항목개선대상항목CHECKLIST항목CHECKLIST항목CHECKLIST항목시험항목설계품질확보체계도