ASTM F2178-2006 测定电弧额定值用标准试验方法和面部防护用品的标准规范

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【英文标准名称】:StandardTestMethodforDeterminingtheArcRatingandStandardSpecificationforFaceProtectiveProducts
【原文标准名称】:测定电弧额定值用标准试验方法和面部防护用品的标准规范
【标准号】:ASTMF2178-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:F18.65
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:电弧焊接;面罩;人员保护设备;防护设备;工作场所安全
【英文主题词】:arcrating;electricarc;faceshield;hood;
【摘要】:Thistestmethodisintendedforthedeterminationofthearcratingofaproduct/design,intendedforuseasfaceprotectionforworkersexposedtoelectricarcs.5.1.1Becauseofthevariabilityofthearcexposure,differentheattransmissionvaluesmaybeobservedatindividualsensors.TheresultsofeachsensorareevaluatedinaccordancewithSection12.Thistestmethodmaintainsthespecimeninastatic,verticalpositionanddoesnotinvolvemovementexceptthatresultingfromtheexposure.Thistestmethodspecifiesastandardsetofexposureconditions.Differentexposureconditionsmayproducedifferentresults.Thisspecificationcoverstheminimumperformancecriteriaforarcresistanceandotherrequirementsforfaceprotectiveproductsusedbyworkerswhomaybeexposedtothermalhazardsofmomentaryelectricarcsorflame.Thepurchaserhastheoptiontoperformorhaveperformedanyofthesetestsinordertoverifytheperformanceofthefaceprotectiveproduct.Claimsforfailuretomeetthespecificationaresubjecttoverificationbythemanufacturer.Note18212;Inadditiontothestandardsetofexposureconditions,otherconditionsrepresentativeoftheexpectedhazardmaybeusedandshallbereportedshouldthisdatabecited.1.1Thistestmethodandproductspecificationisusedtomeasurethearcratingandspecifytherequirementsforproductsintendedforuseasfaceprotectionforworkersexposedtoelectricarcsthatwouldgenerateheatfluxvaluesfrom84to25120kW/m2[2to600cal/cm2s].Productsaretestedassold.1.2Thistestmethoddeterminesanarcratingforfaceprotectiveproducts.ThefaceshieldorotherapplicableportionsofthecompleteproductmustmeetANSIZ87.1.ThisexcludesthetextileornonANSIZ87.1testablepartsofthehoodassembliesorothertestedproducts.Thisstandarddoesnotmeasureopticalandimpactproperties(seeANSIZ87.1)butdoesspecifyrequirementsforopticalandimpactproperties.1.3Thematerialscoveredbythisstandardareintheformoffaceshieldsattachedtotheheadbyprotectivehelmets(hardhats),headgear,orhoodassemblies.Faceshieldsaretestedwithorwithoutotherfaceandheadprotectiveproducts,forexample,sockhoods,balaclavas,sweatshirthoodsorjackethoods.1.3.1FabriclayersusedinhoodassembliesorotheritemstestedunderthisstandardshallmeettherequirementsofSpecificationF1506.1.4Thistestmethodshallbeusedtomeasureanddescribethepropertiesofmaterials,products,orassembliesinresponsetoconvectiveandradiantenergygeneratedbyanelectricarcundercontrolledlaboratoryconditionsanddoesnotpurporttopredictdamagefromlightotherthanthethermalaspectsmeasured.1.5UnitsThevaluesstatedinSIunitsshallberegardedasstandardexceptasnoted.Withinthetext,alternateunitsareshowninbrackets.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,alternatesystemsmustbeusedindependentlyoftheother.Combiningvaluesfromthesystemsdescribedinthetextmayresultinnonconformancewiththemethod.1.6Thisstandarddoesnotpurporttodescribeorappraisetheeffectoftheelectricarcfragmentationexplosionandsubsequentmoltenmetalsplatter,whichinvolvesthepressurewavecontainingmoltenmetalsandpossiblefragmentsofothermaterialsexcepttotheextentthatheatenergytransmissionduetothesearcexplosionphenomenaisreducedbytestspecimens.1.8Thisstandardshallnotbeusedtodescribeorappraisethefirehazardorfireriskofmaterials,products,orassembliesunderactualfireconditions.However,resultsofthistestmaybeusedaselementsofafireas......
【中国标准分类号】:C73;J33
【国际标准分类号】:13_340_20
【页数】:14P.;A4
【正文语种】: