GMN 0227TP-2002 Front Wheel Drive Front Suspension Frame Forward

GMN 0227TP-2002 Front Wheel Drive Front Suspension Frame Forward

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时间:2019-10-18

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1、NorthAmericanENGINEERINGTestProcedureGMN0227TPSTANDARDS(Book)FrontWheelDriveFrontSuspension/FrameForwardBrakingandAccelerationDurability1Introduction3ResourcesNote:Nothinginthisproceduresupercedesapplicablelawsandregulationsunlessa3.1Facilities.specificexemptionhasbeenobtained.N

2、/ANote:IfthereisaconflictbetweentheEnglish3.2Equipment.anddomesticlanguage,theEnglishlanguageshalltakeprecedence.3.2.1BedplateBedplatearealargeenoughtoaccommodatefrontsuspension1.1Purpose.systemand/orfronthalfofvehiclebuckToevaluatethedurabilityoffrontwheelandfixturingtosupports

3、uspension.driveandallwheeldrivefrontsuspensionandframesystemswhen3.2.2HydraulicActuator/ControllersubjectedtoforwardbrakingandOneservo-hydraulicactuatorcapableaccelerationforces.ofachievingadynamicstrokeof10inchesandadynamicloadgreater1.2Foreword.thanthatcalculatedasthebrakingN/

4、AforceinSection5.1.1.3Applicability.Oneadequatelysizedloadcell(perThisprocedureappliestofrontwheelbrakingforce,Section5.1)andadriveandallwheeldrivevehiclesonlycontrollercapableofdrivingtheandshouldnotbeusedforengineactuatorata0.7Hzsinewaveusingamounttesting.feedbackloadloop.1.4D

5、efinitions.3.3.3UpperFixturingIfavehiclebuckisnotused,2Referencesdependingonsuspensionconfiguration,fixturingmaybeNote:Onlythelatestapprovedstandardsarenecessarytosupporttheupperstrutapplicableunlessotherwisespecified.mounts.Thisfixturingmustproperlylocatetheupperstrutmountsinal

6、l32.1Normative.axesandbecapableofsupportingN/Astrutloadswhencompressedatdesignheight.2.2GM.N/A2.3Additional.N/A©CopyrightDateGeneralMotorsCorporationAllRightsReserved-GMConfidential-OriginatedDate:October,1981GMN0227TPRevisedDate:August,2002ApprovalDate:August,2002Page1of4GMNort

7、hAmericanENGINEERINGSTANDARDGMN0227TP3.2.4AngleStandsFigure1Anglestands(usually4)ortheequivalentcapableofrigidlysupportingthefrontsuspensionsystemand/orthefronthalfofthevehiclebuckduringtesting.Thesuspensionmustbeheldhighenoughabovethebedplatetoallowtheloadingarmsandloadingbeamt

8、ooperatefreelyunderneath.3.2.5LoadingArmsTwoloa

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