ASTM D3884-2009 纺织品耐磨性的标准指南(旋转平台、双头法)

时间:2024-05-26 08:30:07 来源: 标准资料网 作者:标准资料网 阅读:9875
下载地址: 点击此处下载
【英文标准名称】:StandardGuideforAbrasionResistanceofTextileFabrics(RotaryPlatform,Double-HeadMethod)
【原文标准名称】:纺织品耐磨性的标准指南(旋转平台、双头法)
【标准号】:ASTMD3884-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D13.60
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:abrasion;rotaryplatform;textilefabric;Abrasionresistance--textilefabrics/fibers;Double-headabrader;Rotaryplatformabrader;Textilefabrics(general)
【摘要】:Themeasurementoftheresistancetoabrasionoftextileandothermaterialsisverycomplex.Theresistancetoabrasionisaffectedbymanyfactors,suchastheinherentmechanicalpropertiesofthefibers;thedimensionsofthefibers;thestructureoftheyarns;theconstructionofthefabrics;andthetype,kind,andamountoffinishingmaterialaddedtothefibers,yarns,orfabric.Theresistancetoabrasionisalsogreatlyaffectedbytheconditionsofthetests,suchasthenatureofabradant,variableactionoftheabradantovertheareaofspecimenabraded,thetensionofthespecimen,thepressurebetweenthespecimenandabradant,andthedimensionalchangesinthespecimens.Abrasiontestsareallsubjecttovariationduetochangesintheabradantduringspecifictests.Theabradantmustaccordinglybediscardedatfrequentintervalsorcheckedperiodicallyagainstastandard.Withdisposableabradants,theabradantisusedonlyonceordiscardedafterlimiteduse.Withpermanentabradantsthatusehardenedmetalorequivalentsurfaces,itisassumedthattheabradantwillnotchangeappreciablyinaspecificseriesoftests.Similarabradantsusedindifferentlaboratorieswillnotchangeatthesamerate,duetodifferencesinusage.Permanentabradantsmayalsochangeduetopickupoffinishingorothermaterialfromtestfabricsandmustaccordinglybecleanedatfrequentintervals.Themeasurementoftherelativeamountofabrasionmayalsobeaffectedbythemethodofevaluationandmaybeinfluencedbythejudgmentoftheoperator.Theresistanceoftextilematerialstoabrasionasmeasuredonatestingmachineinthelaboratoryisgenerallyonlyoneofseveralfactorscontributingtowearperformanceordurabilityasexperiencedintheactualuseofthematerial.Whilex201C;abrasionresistancex201D;(oftenstatedintermsofthenumberofcyclesonaspecifiedmachine,usingaspecifiedtechniquetoproduceaspecifieddegreeoramountofabrasion)andx201C;durabilityx201D;(definedastheabilitytowithstanddeteriorationorwearingoutinuse,includingtheeffectsofabrasion)arefrequentlyrelated,therelationshipvarieswithdifferentenduses,anddifferentfactorsmaybenecessaryinanycalculationofpredicteddurabilityfromspecificabrasiondata.Laboratorytestsmaybereliableasanindicationofrelativeend-useperformanceincaseswherethedifferenceinabrasionresistanceofvariousmaterialsislarge,buttheyshouldnotberelieduponwheredifferencesinlaboratorytestfindingsaresmall.Ingeneral,theyshouldnotberelieduponforpredictionofactualwear-lifeinspecificendusesunlesstherearedatashowingthespecificrelationshipbetweenlaboratoryabrasiontestsandactualwearintheintendedend-use.Thesegeneralobservationsapplytoalltypesoffabrics,includingwoven,nonwoven,andknitapparelfabrics,householdfabrics,industrialfabrics,andfloorcoverings.Itisnotsurprising,therefore,tofindthattherearemanydifferenttypesofabrasiontestingmachines,abradants,testingconditions,testingprocedures,methodsofevaluationofabrasionresistanceandinterpretationofresults.Allthetestproceduresandinstrumentsthathavebeendevelopedforabrasionresistanceoffabricsmayshowahighdegreeofvariabilityinresultsobtainedbydifferentoperatorsandindifferentlaboratories,however,theyrepresenttheproceduresmostwidelyusedintheindustry.Becausethereisadefiniteneedformeasuringtherelativeresistancetoabrasion,thisisoneoftheseveralproceduresthatisusefultohelpminimizetheinherentvariationinresultsthatmayoccur.Beforedefinitepredictionsoffabricusefulnesscanbedrawnfromanabrasiontestasmade..........
【中国标准分类号】:W55
【国际标准分类号】:59_080_30
【页数】:7P.;A4
【正文语种】:英语


【英文标准名称】:ElectromagneticcompatibilityandRadiospectrumMatters(ERM)-Cordlessaudiodevicesintherange25MHzto2000MHz-Part2:HarmonizedENcoveringessentialrequirementsofarticle3.2oftheR&TTEDirective(V1.4.1).
【原文标准名称】:电磁兼容性和射频频谱情况(ERM).频率范围25MHz~2000MHz无绳音频设备.第2部分:涵盖R&TTE指令第3.2条款基本要求的协调EN标准(V1.4.1)
【标准号】:NFZ84-357-2-2010
【标准状态】:现行
【国别】:法国
【发布日期】:2010-01-01
【实施或试行日期】:2010-01-16
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Audioappliances;Cableless;Communicationtechnology;Conditions;Consistency;Cordless;Definitions;Electricalengineering;Electromagneticcompatibility;Electronicengineering;Electronicpowersupplies;EMC;Emission;Environmentalconditions;ETSI;Frequencies;Frequencyranges;Guidelines;Harmonization;Informationprocessing;Informationtechnology;Interferingemissions;Interpretations;Measure;Measuringtechniques;Methods;Parameters;Radio;Radioequipment;Ratings;Receivers;Results;Specification;Specification(approval);Spectra;Symbols;Telecommunication;Telecommunicationnetworks;Telecommunicationsystems;Telecommunications;Telephonenetworks;Terminology;Testing;Testingconditions;Tests;Transmitters;Widebandcommunication
【摘要】:
【中国标准分类号】:L06
【国际标准分类号】:33_060_20;33_100_01
【页数】:19P;A4
【正文语种】:其他


【英文标准名称】:Householdandsimilarelectricalappliances-Safety-Part2-8:Particularrequirementsforshavers,hairclippersandsimilarappliances
【原文标准名称】:家用和类似用途电器.安全性.第2-8部分:剃须刀、理发推子和类似器具的特殊要求
【标准号】:IEC60335-2-8Edition5.2-2008
【标准状态】:作废
【国别】:国际
【发布日期】:2008-09
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:动物卫生学;定义;驯养的动物;电器;家用电器;电气工程;电气安全;理发推子;头发化妆用具;家用设备;家用;体育装置;防电击;剃刀;安全;安全要求;剃须刀;剃须器
【英文主题词】:Animalhygiene;Definition;Definitions;Domesticatedanimals;Electricappliances;Electrichouseholdappliances;Electricalengineering;Electricalhouseholdappliances;Electricalsafety;Hairclippers;Hair-treatmentappliances;Householdequipment;Householduse;Physicalculturedevice;Protectionagainstelectricshocks;Razors;Safety;Safetyrequirements;Shavers;Shearingmachine
【摘要】:ThisclauseofPart1isreplacedbythefollowing.ThisInternationalStandarddealswiththesafetyofelectricshavers,hairclippersandsimilarappliancesintendedforhouseholdandsimilarpurposes,theirratedvoltagebeingnotmorethan250V.NOTE101Examplesofsimilarappliancesarethoseusedformanicureandpedicure.Appliancesnotintendedfornormalhouseholduse,butwhichneverthelessmaybeasourceofdangertothepublic,suchasappliancesintendedtobeusedbylaymeninshopsandonfarms,arewithinthescopeofthisstandard.NOTE102Examplesofsuchappliancesareanimalclippers,animalshearersandappliancesforhairdressers.Asfarasispracticable,thisstandarddealswiththecommonhazardspresentedbyappliancesthatareencounteredbyallpersonsinandaroundthehome.However,ingeneral,itdoesnottakeintoaccount-persons(includingchildren)whose~physical,sensoryormentalcapabilities;or~lackofexperienceandknowledgepreventsthemfromusingtheappliancesafelywithoutsupervisionorinstruction;-childrenplayingwiththeappliance.NOTE103Attentionisdrawntothefactthat-forappliancesintendedtobeusedinvehiclesoronboardshipsoraircraft,additionalrequirementsmaybenecessary;-inmanycountriesadditionalrequirementsarespecifiedbynationalhealthauthorities,nationalauthoritiesresponsiblefortheprotectionoflabourandsimilarauthorities.NOTE104Thisstandarddoesnotapplyto-appliancesintendedtobeusedinlocationswherespecialconditionsprevail,suchasthepresenceofacorrosiveorexplosiveatmosphere(dust,vapourorgas);-massageappliances(IEC60335-2-32);-appliancesformedicalpurposes(IEC60601).
【中国标准分类号】:Y62
【国际标准分类号】:13_120;97_170
【页数】:28P;A4
【正文语种】:英语