SAE J175-2016 Wheels - Lateral Impact Test Procedure - Road Vehicles

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1、J175™MAR2016SURFACEVEHICLERECOMMENDEDPRACTICEIssued1970-07Revised2016-03SupersedingJ175SEP2003Wheels-LateralImpactTestProcedure-RoadVehiclesRATIONALEAprocessofcompensatingforfrictionallossesisrecommendedtominimizetestvariationbetweenmachinesandassuretheanticipatedvelocityismet.Themachinec

2、alibratorwilldeterminetheAdjustedDropHeight(ADH)thattherespectivemachinemustdropfromtoreplicate230mmoffreefall.Certifyingthespringrateofthefourrubbermountsisdifficultintheapparatusasoriginallyshowninthedocument.Analternatemethodtocertifythespringrateisprovidedusingcommonloadvsdeflectionma

3、chines.Onecancertifyrubbermountsfouratatime.TestpressuresfortemporaryµT¶andlighttruckµLT¶applicationsareprovidedsincetheyoperateatpressuressubstantiallydifferentthanpassengerµP¶tires.Theintentistotestthewheelatthelowerendofthepressurespecifiedfortheapplication.Thedocumenttitleischangedtoi

4、nclude³LateralImpact´todistinguishitfromtheroadhazardimpacttestthatusesanimpactinaradialdirectionperSAEJ1981.Reportsforthelateralimpacttestandcalibrationareintheappendixtoensureuniformreporting.RefertoAppendixA.Analternateconstructionallowingforconstrainingtherubbermountandrotatingthewhee

5、lwhileonthemachineisprovided.BackgroundofLateralImpactTestProcedure±RoadVehiclesisprovided.RefertoAppendixC.1.SCOPETheSAERecommendedPracticeestablishesminimumperformancerequirementsandrelateduniformlaboratorytestproceduresforevaluatinglateral(curb)impactcollisionresistanceofallwheelsinten

6、dedforuseonpassengercarsandlighttrucks.__________________________________________________________________________________________________________________________________________SAETechnicalStandardsBoardRulesprovidethat:³ThisreportispublishedbySAEtoadvancethestateoftechnicalandengineering

7、sciences.Theuseofthisreportisentirelyvoluntary,anditsapplicabilityandsuitabilityforanyparticularuse,includinganypatentinfringementarisingtherefrom,isthesoleresponsibilityoftheuser.´SAEreviewseachtechnicalreportatleasteveryfiveyearsatwhichtimeitmayberevised,reaffirme