Designation:D6611−16StandardTestMethodforWetandDryYarn-on-YarnAbrasionResistance1ThisstandardisissuedunderthefixeddesignationD6611;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethoddescribesthemeasurementofabrasionresistancepropertiesformanufacturedfiberyarnsindryandwetconditions.1.2Thistestmethodappliestomanufacturedyarnsusedinropemaking.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareprovidedforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D123TerminologyRelatingtoTextilesD1776PracticeforConditioningandTestingTextilesD2904PracticeforInterlaboratoryTestingofaTextileTestMethodthatProducesNormallyDistributedData(With-drawn2008)3D3412TestMethodforCoefficientofFriction,YarntoYarnD6477TerminologyRelatingtoTireCord,BeadWire,HoseReinforcingWire,andFabrics3.Terminology3.1Thefollowingtermsarerelevanttothisstandard:abrasion,apexangle,appliedtension,cyclestofailure(CTF),dry,rope,wet.3.2Forterminologyrelatedtoindustrialfibersandmetallicreinforcements,seeTerminologyD6477.3.3Fordefinitionsofothertextiletermsusedinthistestmethod,refertoTerminologyD123.4.SummaryofTestMethod4.1Alengthofyarnisinterwrappedincontactwithitselfbetweenthreepulleysthatarepositionedinadefinedgeometrytoproduceaspecificintersectionangle.Aweightisattachedtooneendoftheyarntoapplyaprescribedtension.Theotherendisdrawnbackandforththroughadefinedstrokeatadefinedspeeduntiltheyarnfailsduetoabrasionuponitselfwithintheinterwrappedregion.Theyarnabrasiontestcanbeconductedineitherthedrystateorthewetstate.5.Sig...
