【英文标准名称】:StandardTestMethodforTearingStrengthofFabricsbyFalling-PendulumType(Elmendorf)Apparatus
【原文标准名称】:埃尔曼多夫(Elmendorf)落锤仪测定织物抗撕裂强度的标准试验方法
【标准号】:ASTMD1424-2007a
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:(TestMethod)
【标准水平】:()
【中文主题词】:布;裂纹;耐力;测试;纺织测试;纺织材料;机织物;纱
【英文主题词】:Elmendorf;fabric;strength;tear;Airbagmaterials/applications;Blankets;Elmendorfapparatus;Fallingpendulumtest;Teartesting;Woventextilefabrics
【摘要】:Thistestmethodforthedeterminationoftearingstrengthbythefallingpendulumtypeapparatusisusedinthetradefortheacceptancetestingofcommercialshipmentsoffabrics,butcautionisadvisedsincetechniciansmayfailtogetgoodagreementbetweenresultsoncertainfabrics.Comparativetestsasdirectedin5.1.1maybeneeded.Incaseofadisputearisingfromdifferencesinreportedtestresultswhenusingthistestmethodforacceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativeteststodetermineifthereisastatisticalbiasbetweentheirlaboratories.Statisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimensthatareashomogeneousaspossibleandthatarefromalotoffabricofthetypeinquestion.Thetestspecimensshouldthenberandomlyassignedinequalnumberstoeachlaboratoryfortesting.Theaverageresultsfromthetwolaboratoriesshouldbecomparedusingappropriatestatisticalanalysisandanacceptableprobabilitylevelchosenbythetwopartiesbeforethetestingbegan.Ifabiasisfound,eitheritscausemustbefoundandcorrectedorthepurchaserandthesuppliermustagreetointerpretfuturetestresultswithconsiderationtotheknownbias.Microprocessorsystemsforautomaticcollectionofdatacanprovideeconomicalandreliableresultswhenproperlycalibrated.SeeTestMethodsD2261andD5587.1.1Thistestmethodcoversthedeterminationoftheforcerequiredtopropagateasingle-riptearstartingfromacutinafabricandusingafalling-pendulumtype(Elmendorf)apparatus.1.2Thistestmethodappliestomostfabricsincludingwoven,layeredblankets,nappedpile,blanket,andairbagfabrics,providedthefabricdoesnottearinthedirectioncrosswisetothedirectionoftheforceapplicationduringthetest.Thefabricsmaybeuntreated,heavilysized,coated,resin-treated,orotherwisetreated.Instructionsareprovidedfortestingspecimenswith,orwithout,wetting.1.3Thismethodissuitableonlyforthewarpdirectiontestsofwarp-knitfabrics.Itisnotsuitedforthecoursedirectionofwarpknitfabricsoreitherdirectionofmostotherknittedfabrics.1.4ThevaluesstatedineitherSIunitsorU.S.customaryunitsaretoberegardedasstandard,butmustbeusedindependentlyofeachother.TheU.S.customaryunitsmaybeapproximate.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W04
【国际标准分类号】:59_080_30
【页数】:8P.;A4
【正文语种】:


【英文标准名称】:Pneumatictools;transitionnozzletips
【原文标准名称】:气动工具.转接管嘴
【标准号】:DIN8536-1970
【标准状态】:现行
【国别】:德国
【发布日期】:1970-10
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:螺纹;短管接头;挠性管道;气动工具;软管接头
【英文主题词】:threads;pneumatictools;hoseconnectors;flexiblepipes;connectionnipples
【摘要】:Pneumotictools,transitionnozzletipsDieCbergangstülleerm?glichtinVerbindungmitKegeltülleA19oderB19nachDIN20034denObergangvonlichterSchlauchweite10,13und15mmouflichteSchlauchweite19mm.
【中国标准分类号】:J48
【国际标准分类号】:2510
【页数】:2P;A4
【正文语种】:德语