【英文标准名称】:GuidelinesfortheapplicationofEN197-2.ConformityEvaluation
【原文标准名称】:标准EN197-2标准的适用指南.符合评估
【标准号】:PDCR14245-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2003-08-20
【实施或试行日期】:2003-08-20
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:EN197-2specifiestheschemefortheevaluationofconformityofcementstotheircorrespondingproductspecificationstandards,includingcertificationofconformitybyacertificationbody.Thestandardprovidestechnicalrulesforfactoryproductioncontrolbythemanufacturer,includingautocontroltestingofsamples,andforthetasksofthecertificationbody.Italsoprovidesrulesforactionstobefollowedintheeventofnonconformity,theprocedureforthecertificationofconformityandrequirementsfordispatchingcentres.InEN197-2theword“cement”isusedtoreferbothtocommoncementsasdefinedinEN197-1andtoothercementsandbindersforwhichtherelevantproductspecificationstandardmakesreferencetoEN197-2andwhicharesubmittedforcertification.Suchacementisproducedatagivenfactoryandbelongstoaparticulartypeandaparticularstrengthclass,asdefinedandspecifiedintherelevantproductspecificationstandard.?GuidanceEN197-2dealswiththeevaluationofconformityofcementsandbindersthataresubmittedforcertification.Itdealsinparticularwithcaseswhere“furthertesting”oftheproductisundertaken,asisthecaseforattestationsystem1+undertheConstructionProductsDirective.TheproductsforwhichEN197-2isapplicableare:the27commoncementproducts,referEN197-1,andmasonrycements,referprEN413-1.Itwillalsobeapplicableforlowheatcements,sulfateresistingcementsandcalciumaluminatecementswhenthecorrespondingproductspecificationstandardsareadopted.“
【中国标准分类号】:Q13
【国际标准分类号】:03_120_20;91_100_10
【页数】:52P.;A4
【正文语种】:英语
基本信息
标准名称: | 500MA医用诊断X射线机 |
中标分类: |
医药、卫生、劳动保护 >>
医疗器械 >>
医用射线设备 |
替代情况: | ZB C43009-1985 |
发布日期: | 1990-10-16 |
实施日期: | 1991-04-01 |
首发日期: | 1900-01-01 |
作废日期: | 2006-05-15 |
出版日期: | 1900-01-01 |
页数: | 8页 |
适用范围
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前言
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目录
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引用标准
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所属分类: 医药 卫生 劳动保护 医疗器械 医用射线设备
【英文标准名称】:Calculationofloadcapacityofspurandhelicalgears-Calculationoftoothbendingstrength-Corrigendum1
【原文标准名称】:正齿轮和斜齿轮承载能力的计算.齿牙弯曲强度计算.勘误表1
【标准号】:BSISO6336-3-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-10-31
【实施或试行日期】:2006-10-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:计算公式;圆柱齿轮;齿轮;斜齿轮;荷载能力;数学计算;正齿轮;齿槽负载能力
【英文主题词】:Calculationformula;Cylindricalgears;Gearwheels;Helicalgears;Loadcapacity;Mathematicalcalculations;Spurgear;Spurgears;Toothbottomloadcapacity
【摘要】:ThispartofISO6336specifiesthefundamentalformulaeforuseintoothbendingstresscalculationsforinvoluteexternalorinternalspurandhelicalgearswitharimthicknesssR>0,5htforexternalgearsandsR>1,75mnforinternalgears.Inservice,internalgearscanexperiencefailuremodesotherthantoothbendingfatigue,i.e.fracturesstartingattherootdiameterandprogressingradiallyoutward.ThispartofISO6336doesnotprovideadequatesafetyagainstfailuremodesotherthantoothbendingfatigue.Allloadinfluencesontoothstressareincludedinsofarastheyaretheresultofloadstransmittedbythegearsandinsofarastheycanbeevaluatedquantitatively.ThegivenformulaearevalidforspurandhelicalgearswithtoothprofilesinaccordancewiththebasicrackstandardizedinISO53.Theymayalsobeusedforteethconjugatetootherbasicracksifthevirtualcontactratioεαnislessthan2,5.Theloadcapacitydeterminedonthebasisofpermissiblebendingstressistermed“toothbendingstrength”.Theresultsareingoodagreementwithothermethodsfortherange,asindicatedinthescopeofISO6336-1.
【中国标准分类号】:J17
【国际标准分类号】:21_200
【页数】:52P;A4
【正文语种】:英语