c490 track squeak noise issue 5d轨道吱噪音问题.pptx

IssueTitle:C490TrackSqueakNoiseIssueChampion:Guorong.GuSource:Team:Guorong.Gu\Mo.Chen\Xuejiu.Wang\Jayson.Chen\Dingyong.Wang\Qi.LiuIssueDescription:OnJan.23th,2015,duringC490staticBSRinspection@JCI,wefoundthattherewasadriverseatwithsqueaknoisewhenslidingthetrackfwdrwdtobothendposition.Containment:Newtrackgrease(Rheogel108-1G)isusedasanICA.RootCause:TBDCorrectiveAction:Potential:Changetonewgrease(Rheogel108-1g)Workplan:StepDateLeadCQYFJCcheckthestockandfoundnoissuepart.(TotalQty:130sets)JCYM100%inspectsingletrack(Totaldefectrate:3%).CQYFJC100%inspectcompletedcushionframe(Totaldefectrate:0.7%)CQYFJC100%checked820setsofcompleteseatswhichusedthe100%checkedOKchassisandfoundnonoise.JCYMtochecktrackrailprofileandendstopgeometry.20pcssamplesweretriedwithincreasingtheusageoftrackgrease(CX-LSG1)from3.5gto4.0gand16of20pieceswerestillfoundwithsqueaknoise.CheckwithNAteamandfoundtheyhavethesimilarissueandICAofnewgrease(Rheogel108-1G)wasusedinP552toreplacetheoldone(RheogelTEK676).ImportnewgreasefromNAandmadetrialontrackandchassissampleswithnoiseissue.CheckwithP552teamaboutthecomparisonbetweentwogreaseandthevalidationdoneinP552.Confirmtheappearancewithnewgreaseandgetapprovefromcustomer.DiscusswithFordtoapprovetousethenewgreaseonChinaF-Gen2programsasanICA.Monitoringtheperformanceofseatswithnewgreasethatdeliveredtothecustomer.2015.1.232015.1.242015.1.242015.1.242015.1.262015.1.262015.1.262015.1.292015.1.292015.2.22015.2.32015.2.13Dingyong.WangGuorong.GuQiLiuDingyong.WangGuorong.GuQiLiuXuejiuwangGuorong.Gu/QiLiuXuejiu.WangJayson.ChenJayson.Chen/Mo.ChenDingyong.WangPreventiveAction:TBDRiskProjections:(Major/MajorContained/Comply)Global8D#:DateIssued:DateRevised:C490Structure

C490structure1.BallstopareaoflowertrackflatnessMaxv