NF L31-524-2009 航空航天系列.带自润滑衬瓦的耐腐蚀钢制精密滚珠轴承.尺寸规格及载荷量.英制系列
时间:2024-05-20 19:51:06 来源: 标准资料网 作者：标准资料网 阅读：8024
【英文标准名称】:Aerospaceseries-Sphericalplainbearingsincorrosionresistingsteelwithself-lubricatingliner,narrowseries-Dimensionsandloads-Inchseries.
【原文标准名称】:航空航天系列.带自润滑衬瓦的耐腐蚀钢制精密滚珠轴承.尺寸规格及载荷量.英制系列
【标准号】:NFL31-524-2009
【标准状态】:现行
【国别】:法国
【发布日期】:2009-11-01
【实施或试行日期】:2009-11-21
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:航空航天运输;航空运输;航空器部件;轴承;防腐蚀;耐腐蚀钢;尺寸;关节轴承;负荷;多语种的;性能;自润滑;航天运输;规范(验收);钢;表面处理;公差(测量);重量
【英文主题词】:Aerospacetransport;Airtransport;Aircraftcomponents;Bearings;Corrosion-resistant;Corrosion-resistantsteels;Dimensions;Knucklebearings;Loading;Multilingual;Properties;Self-lubricating;Spacetransport;Specification(approval);Steels;Surfacetreatment;Tolerances(measurement);Weights
【摘要】:
【中国标准分类号】:V22
【国际标准分类号】:49_035
【页数】:26P;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodforHardgroveGrindabilityIndex(HGI)ofPetroleumCoke
【原文标准名称】:石油焦的哈德哥鲁夫可磨性指数(HGI)的标准试验方法
【标准号】:ASTMD5003-2006a
【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(US-ASTM)
【起草单位】:D02.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:焦炭;可磨性;哈德哥鲁夫研磨指数;试验
【英文主题词】:coke;grindability;petroleumcoke
【摘要】:TheHGIisusedtopredicttherankingofrawpetroleumcokesorcalcinedpetroleumcokesinindustrialsizemillsusedforcrushingoperations.Therankingsarebasedonenergyrequiredandfeedrateorboth.TheHGIisalsousedtoselectrawpetroleumcokesandcoalsthatarecompatiblewitheachotherwhenmilledtogetherinablendsothatsegregationoftheblenddoesnotoccurduringparticlesizereduction.1.1Thistestmethodcoversthedeterminationofthehardgrovegrindabilityindex(HGI)ofthosepetroleumcokesthatcontainnodedustingadditive.TheprocedureforthistestmethodisthesameasinTestMethodD409.SectionsofthistestmethodcontainthesignificanceanduseoftheHGIofpetroleumcoke,preliminarysamplepreparationprocedures,andprocedureandprecisionandbiasdataspecifictopetroleumcoke.Note1-Thesizeconsistency(particlesizedistribution)offluidpetroleumcokeisgenerally100%passinga6.73mm(No.3)sieveandgreaterthan80%passinga2.00mm(No.10)sieve.Muchoffluidcokeswillpassa0.59mm(No.30)sieve.BecauseofthisfinenesstheHGIvalueisrelatedtothecoarserparticlesinfluidcokeandlargesamplesarerequiredtopreparesufficientmaterialofthecorrectparticlesizeforTestMethodD409.1.2ThevaluesstatedinSIunitsaretoberegardedasstandardandareusedinthistestmethodforallvaluesexceptthehardgrovegrindabilityindex,whichisunitless.Thevaluesinparenthesesareprovidedforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E44
【国际标准分类号】:75_160_10
【页数】:3P.;A4
【正文语种】:
【英文标准名称】:Crossrecessedpanheadtappingscrews
【原文标准名称】:十字槽盘头自攻螺钉
【标准号】:BSENISO7049-1995
【标准状态】:作废
【国别】:英国
【发布日期】:1995-01-15
【实施或试行日期】:1995-01-15
【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】:螺距;端头(紧固件);尺寸公差;凹槽头紧固件;名称与符号;紧固件;平头紧固件;十字头紧固件;优先尺寸;外螺纹紧固件;螺纹紧固件;自攻丝螺钉;盘头紧固件;尺寸
【英文主题词】:Acceptancespecification;Countersunkfasteners;Crossrecessedscrews;Cruciform-headfasteners;Deliveryconditions;Designations;Dimensions;Fasteners;Headscrews;Materials;Panheadscrews;Pan-headfasteners;Properties;Raised-headfasteners;Recessedcountersunkheadscrews;Recesses;Screws(bolts);Self-tappingscrews;Specification(approval);Threads;Tolerances(measurement)
【摘要】:ThisInternationalStandardspecifiesthecharacteristicsofcrossrecessedpanheadtappingscrewswiththreadsizesfromST2,2toST9,5inclusive.
【中国标准分类号】:J13
【国际标准分类号】:21_060_10
【页数】:16P.;A4
【正文语种】:英语