标准名称：	滚动轴承 残磁及其评定方法
中标分类：	机械 >> 通用零部件 >> 滚动轴承
替代情况：	被JB/T 6641-2007替代
发布部门：	洛阳轴承研究所
发布日期：	1993-05-07
实施日期：	1994-01-01
首发日期：	1900-01-01
作废日期：	2007-09-01
出版社：	机械工业出版社
出版日期：	1900-01-01
页数：	4页

本标准规定了滚动轴承的残磁限值、测量方法和检验规则。 本标准适用于制造厂和用户对外径小于430mm的各种类型一般用途轴承残磁的检验和验收。

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【英文标准名称】:Maritimenavigationandradiocommunicationequipmentandsystems-Digitalinterfaces-Part420:Multipletalkersandmultiplelisteners;Shipsystemsinterconnection;Companionstandardrequirementsandbasiccompanionstandards
【原文标准名称】:海上导航和无线电通信设备及系统数字接口第420部分：多通话器和多受话器船舶系统互连围罩梯口标准要求和基本围罩梯口标准
【标准号】:IEC61162-420-2001
【标准状态】:作废
【国别】:国际
【发布日期】:2001-11
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC80
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;无线电设备;无线电导航;导航辅助设备;接口;无线电发射机;造船工程;无线电接收机;海上导航;海上无线电业务;数字信号;电气工程
【英文主题词】:Datacommunication;Definitions;Digitalsignals;Electricalengineering;Interfaces(dataprocessing);Marinenavigation;Marineradioservice;Navalengineering;Navigationalaids;Radioequipment;Radioreceivers;Radiotransmitters;Radionavigation
【摘要】:InternationalStandardIEC61162-420specifiestherequirementforandbasiccomponentsoftheIEC61162-4seriescompanionstandards.Thesecomponentsarereferredtoasfollows:a)PCS(PISCEScompanionstandards)whichcontaintherulesforcreationofcompanionstandards.ThegeneralprinciplesunderlyingthePCSaredescribedinclause4.b)PCSDL(PCSdescriptionlanguage).PartofthePCSisthedefinitionofthesyntaxforthevarioustypesofcompanionstandarddocumentsthatmakethemreadablebycomputertools.ThePCSDLisdescribedinclause5.c)functionblockdescription.ThefunctionblockdescriptionisahighlevelandgraphicaldescriptionofapplicationsusingtheIEC61162-4seriesinterfacestandard.Thefunctionblocksyntaxisspecifiedinclause7.d)PFS(PISCESfoundationspecifications)whichcontainaframeworkforclassificationofapplicationsadheringtotheIEC61162-4standard.ThePFSwillalsoprovideaminimumlevelofinteroperabilitybetweendifferentmanufacturers'applicationsusingthisframework.ThePFSisdescribedinclause6.Clause5containsthecompletereferencetothePCSdescriptionlanguage.Subclause5.2explainsthebasicconceptofthePCSwhichisgivenbythedistinctionbetweenfourtypesofspecifications:applications,interfaces,informationanddatatypes.GeneralconventionswithrespecttothesyntaxofthePCScanbefoundin5.3.AllPCSdocumentsarebasedonasimilarstructure.ThisapproachisintendedtomakeiteasiertobecomefamiliarwiththesyntaxandsemanticsofthePCSwhichisdefinedin5.3.1.ThefoursubclausesthereafterexplainindetailthesyntaxandsemanticsofthefourdifferenttypesofspecificationsgeneratedbythePCS.Clause6describestherelationshipbetweenthedifferentclassesofIEC61162-4applicationsandgivesanoverviewoftheirfunctionality.TheannexescontainthedetailedPCSdefinitionsfortheclasses.Theobjectiveofcompanionstandardsistoprovidedefinitionsoftheinformationthatistransferredwithinanintegratedshipcontrolsystemandofhowtheseinformationitemscanbeaccessedorprovided.Furthermore,thestandardshallallowthedefinitionoftheactualnetworkinterfaceswhichtheapplicationsusetoconnecttothesystem.Thedescriptionformatismachine-readable,allowinganautomaticcompilationofthedescriptionintointerfacesoftware.Acompanionstandardallowsthereaderto,atwill,shiftthefocusbetweenatechnicalspecificationandadefinitionofinterfacesandinformationitems.Thedevelopmentteamcandetermineinformationattributeslikeunit,power,accuracyandthestructureofthesystemarchitectureandcreateacommoninterpretationbasisfordatabeforethesystemimplementation.Theformalismsunderlyingthespecificationlanguagewillatthesametimeprovideanunambiguousandprecisedescriptionoftheequipmentinterfaceswhichallowtheuseofcomputertoolstoautomaticallygenerateinterfaceprogramcodesortoinspectandmanipulateinterfaceson-line,forexamplefordebuggingandmonitoringpurposes.
【中国标准分类号】:U66
【国际标准分类号】:47_020_70
【页数】:101P.;A4
【正文语种】:英语