分析講稿2015年會b7main fuel pump

MainFuelTechnicalReviewMeetingSuzhou,4-6November2015aretrademarksofCFMInternational,a50/50joint betweenSnecma(Safrangroup)andGE.Theinformationinthis 蘇州,2015年11月4-6aretrademarksofCFMInternational,a50/50joint betweenSnecma(Safrangroup)andGE.Theinformationinthis MFPLowtimeleak-StatusBackgroundOver200MFPremovedsinceSept2013duetolowtimeleakageLeakagepropensitytoleakbetween800-3000hoursLeakagesoccursatthedynamicseallocation(drainedleakages)

ContainmentSealcleanlinessGreaseapplicationSealinspectionVisualinspectionofeachcarbonRein dATPIncreasinginternalstressNoseflatnessreworkedatEaton RootcauseLeakageduetodynamicsealscarbonnoseflatnessoutsidelegacytolerance(withinblueprint)Flatnesschangeattributedtocarbonnosemanufacturerlocationchange3000affectedFromS/NYA054438-0(7/29/11)YA057174-J(7/8/14)Statistical ysis10%MFPtobe

in FinalfixSB73-0209toretrieveaffectedseal8%ofpumpsremovedfor90%ofpopulationnowabove3000FHSB73-0212blueprintrestrictiontosecuretheproductionAllsealsdeliveredsinceJuly2014alreadycomplywiththenewdefinition.Newpartnumber828300-8inOctober2015 自2013年起，超過200臺低齡的主燃油泵主要分布在800-3000中中3000從SNYA0544380(7/29/11)YA057174-J(7/8/14)統(tǒng)計(jì)分析，大概10%的主燃油泵將要被拆

在EatonSB73-02098%90%3000FHSB73-0212所有2014年七月以后交付的封嚴(yán)都已經(jīng)使828300-8在2015 “Lowtimeleaks”Rootcause ysisEngineeringtestrevealedakinematicschangeinthedynamicsealoperationinthisareaRoughness/FlatnessaremajorcontributorsCarbonsealleakageflowRoughness/Flatness5/CFMProprietaryInformationsubjecttorestrictionsonthe TechnicalReviewMeeting,Suzhou,2015 粗糙度碳6/CFMProprietaryInformationsubjecttorestrictionsonthe TechnicalReviewMeeting,Suzhou,2015“Lowtimeleaks”Field n–SB73-0209Field nstrategyforMainFuelPumpVIN828300-5Noproactiveremovals mended(Cat5)RemovedfuelpumpscanbesenttoEatonforsealre cement3000pumpsaffectedbythisSB FromS/NYA054438-0(7/29/11)thruYA057174-J(7/8/14)Over8%pumpsremovedforleakageasofSept2015MajorityofpumpsfromSB73-0209populationMajorityofpumpsfromSB73-0209populationisnowabove“LowTime”withsameexpectedreliabilitythanregularpumps.7/CFMProprietaryInformationsubjecttorestrictionsonthe TechnicalReviewMeeting,Suzhou,2015“低齡滲漏航線計(jì)劃–SB73-0209對于燃油泵VIN828300-5不推薦預(yù)防性拆下(Cat拆下的燃油泵送往Eaton3000個(gè)泵受這個(gè)SB 從SNYA054438-0(7/29/11)到Y(jié)A057174-J(7/8/14)截止到2015年九月，超過8%截止到201590%的泵已經(jīng)超過3000受受SB730209影響批次中的大部分燃油泵現(xiàn)已超過“低齡階段”，并與正常燃8/CFMProprietaryInformationsubjecttorestrictionsonthe TechnicalReviewMeeting,Suzhou,2015“Lowtimeleaks”Improvement–SB73-0212CarbonshaftsealneckflatnesstolerancereducedbyIntroducedinJuly2014atEatonfacilitiesProductionbacktooriginal nt(StInternalflap operationtoincreaseflatnessatcarbonglanceatEatonBlueprintIntroducedinMFPproductionlineperSB73-212(October2015)Newpartnumberforproduction(828300-8)NewShaftSealforfieldsMFP’sperSB73-212(October2015)Noproactiveremovals mended(SBcat7)MFPreidentified: P/N828300- P/N828300-6 P/N828300- P/N828300-7 P/N828300- P/N828300-8Modificationtosecuretheproduction.AllsealsdeliveredsinceJuly2014alreadycomplywithSB73-0212

Carbonsealneck9/CFMProprietaryInformationsubjecttorestrictionsonthe TechnicalReviewMeeting,Suzhou,2015從2014從2014 在2014七月引入到Eaton產(chǎn)品回到原來的工廠(St 到2015年十月，依據(jù)SB73-212，新的藍(lán)圖已經(jīng)引進(jìn)到主開始生產(chǎn)新的(828300-到2015年十月，依據(jù)SB73-212不推薦預(yù)防性拆下SBcat P/N828300- P/N828300-6 P/N828300- P/N828300-7 P/N828300- P/N828300-810/CFMProprietaryInformationsubjecttorestrictionsonthe TechnicalReviewMeeting,Suzhou,2015SummarySB73-0209RetrieveaffectedpumpsDec2014–Cat90%ofpopulationisnowabove3000FHwithsameexpectedreliabilitythanregularpumps.SB73-0212Secureproductionfor“l(fā)owtimeleakage”O(jiān)ctober2015–CatReduceflatnesstolerancetopreventfurtherproductiondriftandavoidfurtherlowtimeremovalsAllsealsdeliveredsinceJuly2014alreadycompliantDynamicsealimprovementforHighTimereliabilityWaysofimprovementunderevaluation11/CFMProprietaryInformationsubjecttorestrictionsonthe TechnicalReviewMeeting,Suzhou,2015SB73-02092014年十二月–Cat90%的泵超過3000FHSB730212低齡滲漏”2015十月–Cat 2014年七月已經(jīng)完成所 12