GMN 6513TP-2003 Door System - Hold-Open Detent Effort Test

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1、NorthAmericanENGINEERINGTestProcedureGMN6513TPSTANDARDS(Book)DoorSystem–Hold-OpenDetentEffortTest1Introductioncomponentfromthedoorhingingsystem.Note:Nothinginthisproceduresupercedes1.4.3Decline(Grade).applicablelawsandregulationsunlessaAnangularorientationsi

2、milartowhenavehiclespecificexemptionhasbeenobtained.ispositionedasifitwereheadingforwardinthedirectionofnegativeslope.AdescriptionofNote:IfthereisaconflictbetweentheEnglishanon-levelroadsurface(i.e.downhill).anddomesticlanguage,theEnglishlanguageshalltakepre

3、cedence.1.4.4DesignPosition.Orientationofabodypartinthepositionit1.1Purpose.assumeswhenattachedtoabuiltvehicleonTodeterminetheforcesrequiredtomovethelevelground.doorfromitsvarioushold-opendetentpositionswiththeforcebeingappliedtothe1.4.5Detent/Hold-Open.door

4、ineitherclosingoropeningdirections.AdesigncomponentinautomotivedoorDifferenttestconditionsincludeapplicationofsystemswhichholdsthedoorintheopentheforcefromtheoutsideortheinsideofthepositiontofacilitateentry,exit,andloading.door,and/ortestingwhileonanincline/

5、decline.1.4.6Incline(Grade).1.2Foreword.AnangularorientationsimilartowhenavehicleTheforcesmeasured,whencomparedwiththeispositionedasifitwereheadingforwardindesiredspecificationsforeachsystem,willthedirectionofpositiveslope.Adescriptionofdeterminethesystem’sa

6、bilitytomaintaindooranon-levelroadsurface(i.e.uphill).hold-opendetentpositions,yetstillallowsatisfactoryeaseofmovementpastthehold-1.4.7Grade/Slope.opendetentpositions.Theamountofinclineordeclineofasurface.1.3Applicability.Note:GradeandslopeareoftenusedThispr

7、ocedureappliestoallpassengercars,interchangeably.Theycanbeexpressedinlightdutytrucks,andmediumdutytruckstermsofangleorpercentage.Ifthehavingswingopendoorswithhold-opengrade/slopeisgivenasapercentage,convert-1detents.todegreesusingthefollowingequation:tan(per

8、centage)=angleindegrees.1.4Definitions.1.4.8ZeroGrade.1.4.1Ajar.Inthisprocedure,azerogradereferstoaThepositionofthedoorwhenithasjustsurfacethathasnoslope(i.e.risedividedbyclearedthesecondarylatc