ISO 4254-5-1992 农林用拖拉机和机械确保安全的技术方法第5部分:动力驱动耕地设备
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【英文标准名称】:Tractorsandmachineryforagriculturalandforestry;technicalmeansforensuringsafety;part5:power-drivensoil-workingequipment
【原文标准名称】:农林用拖拉机和机械确保安全的技术方法第5部分:动力驱动耕地设备
【标准号】:ISO4254-5-1992
【标准状态】:作废
【国别】:国际
【发布日期】:1992-02
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC23
【标准类型】:()
【标准水平】:()
【中文主题词】:农业机械;农用设备;操作者;犁;整地机具;安全装置;职业安全;事故预防;安全要求;规范
【英文主题词】:Accidentprevention;Agriculturalequipment;Agriculturalmachines;Occupationalsafety;Operators(personnel);Ploughs;Safetydevices;Safetyrequirements;Soil-workingequipment;Specifications
【摘要】:Specifiesthespecialrequirementstobemetindesign.Appliestoequipmentofclass03withapowerdemandofmorethan20kW.AppliesadditionallytoISO4254-1.
【中国标准分类号】:B91
【国际标准分类号】:65_060_20
【页数】:2P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforCoefficientofFriction,YarntoYarn
【原文标准名称】:纱与纱之间摩擦系数的标准试验方法
【标准号】:ASTMD3412-2007
【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】:摩擦;摩擦率;试验;纺织试验;纺织品;纱
【英文主题词】:coefficientoffriction;yarns;yarntoyarn
【摘要】:Thistestmethodfortestingyarn-to-yarnfrictionisbeingused,butisnotrecommended,foracceptancetestingofcommercialshipmentssincebetween-laboratoryprecisionisknowntobepoor.5.1.1Insomecases,thepurchaserandsuppliermayhavetotestacommercialshipmentofoneormorespecificmaterialsbythebestavailablemethodeventhoughthemethodhasnotbeenrecommendedforacceptancetestingofcommercialshipments.IncaseofadisputearisingfromdifferencesinreportedtestresultswhenusingTestMethodD3412foracceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativeteststodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimensthatareashomogeneousaspossibleandthatarefromalotofmaterialofthetypeinquestion.Thetestspecimensshouldthenberandomlyassignedinequalnumberstoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingStudentrsquo;t-testforunpaireddataandanacceptableprobabilitylevelchosenbythetwopartiesbeforethetestingisbegun.Ifabiasisfound,eitheritscausemustbefoundandcorrectedorthepurchaserandthesuppliermustagreetointerpretfuturetestresultswithconsiderationtotheknownbias.Thistestmethodisintendedforthedeterminationofyarn-to-yarnboundaryfrictioncoefficientsmeasuredoveraspecifiedlengthofyarn.Thetestmethodisusefulforqualitycontrol,research,andthecharacterizationofyarnboundarylubricants.Note38212;Becausethegeometryoftheyarnsisdifferent,Options1and2shouldnotbeexpectedtogivethesamenumericalvaluesonthesameyarns.FIG.1TwistedStrandYarn-to-YarnFrictionApparatusx2014;Twisted-YarnMethod1.1Thistestmethodcoversthemeasurementoffrictionalpropertiesforbothcontinuousfilamentandspun-stapleyarnsunderboundaryfrictionconditions.1.2Thistestmethodhasbeenusedwithyarnshavinglineardensitiesrangingfrom1.5to200tex,butmaybeusedwithyarnsoutsidetheseranges(15to1800denier).Note1Forcoefficientoffriction,yarntometal,seeTestMethodD3108.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundunitsgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W04
【国际标准分类号】:59_080_20
【页数】:5P.;A4
【正文语种】:
【英文标准名称】:Aerospaceseries-Bearings,spericalplain,incorrosionresistingsteelwithself-lubricatingliner,Elevatedloadunderlowoscillations-Technicalspecification;GermanandEnglishversionEN4540:2011
【原文标准名称】:航空航天系列.低振动状态下高负荷的自润滑衬套耐腐蚀钢球面普通轴承.技术规范.德文和英文版本EN4540-2011
【标准号】:DINEN4540-2012
【标准状态】:现行
【国别】:德国
【发布日期】:2012-03
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Aerospacetransport;Airtransport;Aircraft;Bearings;Coatings;Corrosion-resistantsteels;Definitions;Deliveryconditions;Knucklebearings;Materials;Self-lubricating;Spacetransport;Specification(approval);Steels
【摘要】:
【中国标准分类号】:V22
【国际标准分类号】:49_035
【页数】:80P;A4
【正文语种】:德语
