Designation:D5112−98(Reapproved2015)StandardTestMethodforVibration(HorizontalLinearMotion)TestofProducts1ThisstandardisissuedunderthefixeddesignationD5112;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationofresonancesofunpackagedproductsandcomponentsbymeansofhorizon-tallinearmotionappliedatthesurfaceonwhichtheproductismounted.ForverticalvibrationtestingofproductsseeTestMethodD3580.Twoalternatetestmethodsarepresented:1.1.1TestMethodA—ResonanceSearchUsingSinusoidalVibration,and1.1.2TestMethodB—ResonanceSearchUsingRandomVibration.NOTE1—Thesetwotestmethodsarenotnecessarilyequivalentandmaynotproducethesameresults.1.2Thisinformationmaybeusedtoexaminetheresponseofproductstovibrationforproductdesignpurposes,orforthedesignofacontainerorinteriorpackagethatwillminimizetransportationvibrationinputsatthecriticalfrequencies,whentheseproductresonancesarewithintheexpectedtransportationenvironmentfrequencyrange.Sincevibrationdamageismostlikelytooccuratproductresonantfrequencies,thesemaybethoughtofaspotentialproductfragilitypoints.1.3Informationobtainedfromtheoptionalsinusoidaldwellandrandomtestmethodsmaybeusedtoassessthefatiguecharacteristicsoftheresonatingcomponentsandforproductmodification.Thismaybecomenecessaryifaproduct’sresponsewouldrequiredesignofanimpracticalorexcessivelycostlyshippingcontainer.1.4Thistestmethoddoesnotnecessarilysimulatevibrationeffectstheproductwillencounterinoperatingorend-useenvironments.Other,moresuitabletestproceduresshouldbeusedforthispurpose.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priat...
