JIS B8397-3-2001 液压流体动力.电动机特性的测定.第3部分:在恒定流量和恒定扭矩下进行的测定
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【英文标准名称】:Hydraulicfluidpower--Determinationofcharacteristicsofmotors--Part3:Atconstantflowandatconstanttorque
【原文标准名称】:液压流体动力.电动机特性的测定.第3部分:在恒定流量和恒定扭矩下进行的测定
【标准号】:JISB8397-3-2001
【标准状态】:现行
【国别】:日本
【发布日期】:2001-03-20
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonIndustrialMachinery
【标准类型】:()
【标准水平】:()
【中文主题词】:液压操纵装置;流体动力缸
【英文主题词】:hydraulically-operateddevices;fluidpowercylinders
【摘要】:この規格は,定容量形又は可変容量形の回転形抽圧モータを,一定流量及び一定トルク条件のもとで低速特性を決定する方法を規定する。
【中国标准分类号】:J20
【国际标准分类号】:23_100_10
【页数】:12P;A4
【正文语种】:日语
【英文标准名称】:StandardTestMethodforLengthandLengthDistributionofManufacturedStapleFibers(Single-FiberTest)
【原文标准名称】:人造短纤维的长度和长度分布用标准试验方法(单纤维试验)
【标准号】:ASTMD5103-2007
【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】:D13.58
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:纤维长度;人造纤维;短纤维;试验方法;纺织纤维
【英文主题词】:length;textilefibers
【摘要】:Thistestmethodisusedforresearch,development,qualitycontrol,productspecifications,andmaybeusedforacceptancetestingofcommercialshipmentsoftextilefibers.However,cautionisadvisedsinceinformationonbetween-laboratoryprecisionislacking.Comparativetestsasdirectedin5.1.1maybeadvisable.5.1.1Iftherearedifferencesofpracticalsignificancebetweenreportedtestresultsfortwolaboratories(ormore),comparativetestsshouldbeperformedtodetermineifthereisastatisticalbiasbetweenthem,usingcompetentstatisticalassistance.Asaminimum,testsamplesthatareashomogenousaspossible,drawnfromthematerialfromwhichthedisparatetestresultswereobtained,andrandomlyassignedinequalnumberstoeachlaboratoryfortesting.Thetestresultsfromthetwolaboratoriesshouldbecomparedusingastatisticaltestforupaireddata,ataprobabilitylevelchosenpriortothetestingseries.Ifabiasisfound,eitheritscausemustbefoundandcorrected,orfuturetestresultsforthatmaterialmustbeadjustedinconsiderationoftheknownbias.Thistestmethodprovidesobjectivemeasurementsfordeterminingtheaveragefiberlengthandlengthdistributioninasampleoffiber.Thestaplelengthdiagramofafibersamplecanbeusedtodeterminetherelativenumberoffibersaboveandbelowaspecifiedlength.Ifafiberistoolong,itwillnotprocesswellinspinning,andifthereisapreponderanceofshortfibers,theyarnmighthavelowerthannormalbreakingstrength.1.1Thistestmethodcoversthedeterminationofaveragestaplelengthandstaplelengthdistributionofbothmanufacturedandnaturalfibersbymanuallymeasuringsinglefiberlengths.Thistestmethodisalsousedtomeasurethelengthoffibersremovedfromastapleyarn,butsuchameasurementmaynotrepresentthefiber''sstaplelength,asmanufactured.1.2Becausethistestmethodrequiresmeasuringthelengthofonly50fibers,itisnotsuitableforuseindeterminingthenumberoflongfibersthatoccurinfrequentlyinasample.Note18212;Fordeterminationforoverlengthfibers,refertoTestMethodD3513.Note28212;Formethodscoveringthedeterminationoftheaveragelengthandlengthdistributionofnaturalfibers,refertothefollowingmethods:forcotton,TestMethodD1440,andTestMethodD1447,forwool,TestMethodD519,TestMethodD1234,andTestMethodD1575.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W52
【国际标准分类号】:59_060_20
【页数】:4P.;A4
【正文语种】: