资源描述：
《GMN 5217TP-2002 Brake Pedal Pre-Load (BBS-017)》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、NorthAmericanENGINEERINGTestProcedureGMN5217TPSTANDARDSBrakePedalPre-Load(BBS-017)1Introduction2.3.2D.J.Hommes,“BrakePedalPre-loadEvaluation,”PG54200,F-0595,Note:NothinginthisproceduresupersedesSeptember5,1989.applicablelawsandregulationsunlessaspecificexemptionhasbeenobtained.2.3.3D.G.Ebert,“
2、BrakeFeelIndex,”PG56471,F0751,March7,1991.Note:IfthereisaconflictbetweentheEnglishanddomesticlanguage,theEnglishlanguageshalltakeprecedence.3Resources1.1Purpose.3.1Facilities.ThepurposeofthisreportistoIndoororoutdoorbraketestareafordescribethetestprocedureusedtoparkedvehicleevaluations.measure
3、brakepedalpre-load.3.2Equipment.1.2Foreword.Pre-brakingpedalfeelperformance3.2.1Pedalforcetransduceraccuratewithinanalyzesthepedaltravelversusforce0.5N.relationshipthatoccursbeforebrakingtorqueisgeneratedatthewheels.3.2.2Pedaltraveltransduceraccuratewithin0.5mm.1.3Applicability.Thisprocedureis
4、applicabletoall3.2.3Dataacquisitionsystemcapableofpassengercars,lighttrucksandrecordingatleast3channelsat100multipurposevehicles.Hz.1.4Definitions.3.2.4Allinstrumentationmustbecalibratedaccordingtodepartmentpolicy.Recordinstrumentalidentification2ReferencenumbersandcalibrationdatesandNote:Only
5、thelatestapprovedstandardsarestorewiththetestinformation.applicableunlessotherwisespecified.3.3TestVehicle/TestPiece.2.1Normative.3.4TestTime.2.2GM.Calendartime:1day(withvehicle)Testhours:2hour(setupandtest)2.3Additional.Coordinationhours:2hours(analysis)2.3.1L.W.Burken,“BrakePedalPre-load3.5T
6、estRequiredInformation.MeasurementProcedure,”PG54502,F-0643,November7,1989.©CopyrightDateGeneralMotorsCorporationAllRightsReserved-GMConfidential-OriginatedDate:August,1993GMN5217TPRevisedDate:June,2002ApprovalDate:June,2002Page1of4GMNorthAmericanENGINEERINGSTANDARDGMN5217TP3.6Personnel/Skills
7、.4.3.5Applythebraketoamaximumof67-Braketesttechnicianqualifiedtodo90N(15–20lb)atarateof20-25vehiclesetupandtoperformtheN/sec(5lb/sec).instructionsinsection4.4.3.6Repeatstep4.3.5twiceforatotalofthreerecordedapplies.Allowthe4Procedureengi
