ASTM D1683/D1683M-2011 编织纤维织物缝合失败处的标准检测方法

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【英文标准名称】:StandardTestMethodforFailureinSewnSeamsofWovenApparelFabrics
【原文标准名称】:编织纤维织物缝合失败处的标准检测方法
【标准号】:ASTMD1683/D1683M-2011
【标准状态】:现行
【国别】:
【发布日期】:2011
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D13.54
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:接缝有效性;接缝滑裂;缝纫接缝;缝纫接缝强度;纱线滑动;织物;针织品
【英文主题词】:seamefficiency;seamslippage;sewnseam;sewnseamstrength;yarnslippage;wovenfabric;Woventextilefabrics
【摘要】:Thistestmethodcanalsobeusedtodetermineeitherthesewnseamstrengthoftextilesortheefficiencyofaseamassemblywithanygivenfabric.Additionally,theseamstrengthsofdifferentfabricscanbecompareddirectlybyusingoneofthestandardseamassembliesspecifiedinTable1.Becausecurrentinformationaboutlaboratoryprecisionisincomplete,comparativetestsmaybeadvisable.Incaseofdisputearisingfromdifferencesinreportedtestresultswhenusingthistestmethodforacceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldperformcomparativeteststodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimensfromthesamelotoffabrictobeevaluated,whichutilizealikeseamassembly(orstandardseamassembly).Thetestspecimensshouldthenberandomlyassignedinequalnumberstoeachlaboratoryfortesting.Ifabiasisfound,eitheritscausemustbedeterminedandcorrected,orthepurchaserandsuppliermustagreetointerpretfuturetestresultsinlightoftheknownbias.Thistestmethoddeterminestheseamefficiencyofaspecifiedseamassemblywitheachfabric.Becauseseamefficiencyvarieswitheachfabric,oneofthestandardseamassemblies,asnotedinTable1,shouldbeusedwhencomparingtheseamstrengthofdifferentfabrics.Table1liststhedefaultseamassemblyspecificationstobeusedforfabricsmadewithfine,mediumandheavycountyarns.Ifadeterminationcannotbemadeastowhichseamisthebestsuitedforaparticularfabric,allshouldbeevaluated.Seamspreparedforthistestmethodshouldbemadebycompetentfactorysewingoperatorsfamiliarwiththepotentialfordamagetotheintegrityofthesewnseamwhenstitchingisimproperlydone.(SeeNote2.)Note38212;Ifcompetentfactorysewingoperatorsarenotaccessible,alaboratorytechnicianfamiliarwiththepotentialfordamageofanimproperlysewnseammaypreparetheseamedtestspecimens.Itisimperativeforpurchaser/suppliertounderstandtheimpactanimproperlysewnseamwillhaveontestresults.)Thistestmethodisapplicablewheneveradeterminationofeffectivesewnseamstrength,thatis,theoptimumseaminteraction,isrequired.Thebreakingforceoftheseamandfabricwillpermitdeterminationofseamefficiency.Thistestmethodcanaidindeterminingoptimumseaminteractionforanygivenfabricbycomparingthepropertiesofthefabricwithandwithoutseams.Seamengineeringtechniquesforspecificfabrictypescanalsobedeterminedbyutilizingthistestmethod.Thistestmethodcanbeusedtodeterminewhenthesewnseamisaffectedbyseamslippage.Whiletheultimateconsequenceofthisphenomenonisrupture,seamslippagegreaterthaneitherthevaluesstatedincustomerspecifications,orasagreeduponbypurchaser/suppliermayseverelyreducetheintegritysuchthattheproductcannotbeusedforitsintendedpurpose.(Anexampleofacommonlyusedseamslippagevalueis6x00B1;1mm[0.25x00B1;0.04in.]).1.1Thistestmethodmeasuresthesewnseamstrengthinwovenfabricsbyapplyingaforceperpendiculartothesewnseams.Note18212;ThegrabtestprocedureinTestMethodD5034shallbeusedtodetermineanycharacteristicinfabricthatcanaffectthemeasurementofsewnseamstrength.1.1.1Thistestmethodisapplicabletosewnseamsobtainedfromapreviouslysewnarticleorseamssewnwithfabricsamples......
【中国标准分类号】:W59
【国际标准分类号】:59_080_30
【页数】:9P.;A4
【正文语种】: