SAE AMS5900 Steel Bars, Forgings, and Tubing, Corrosion Resistant, 14Cr - 2.1Mo - 0.30Cb - 1.0V (1.05 - 1.15C), Premium
作者:标准资料网 时间:2024-05-17 06:38:18 浏览:9358
来源:标准资料网
Product Code:SAE AMS5900
Title:Steel Bars, Forgings, and Tubing, Corrosion Resistant, 14Cr - 2.1Mo - 0.30Cb - 1.0V (1.05 - 1.15C), Premium Aircraft Quality for Bearing Applications, Double Vacuum Melted
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a premium-aircraft-quality, corrosion-resistant steel in the form of bars, wire, forgings, mechanical tubing, and forging stock.
【英文标准名称】:Numericalcontrolofmachines;Operationalcommandanddataformat
【原文标准名称】:机床数字控制工作指令和数据格式
【标准号】:ISO/TR6132-1981
【标准状态】:现行
【国别】:国际
【发布日期】:1981-08
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC184
【标准类型】:()
【标准水平】:()
【中文主题词】:维修说明书;机床;数字控制机床;数据处理;控制规程;信息块格式;数值控制;数据布置;符号;技术数据单;高级数据链路控制规程
【英文主题词】:
【摘要】:1DatatypesThenumericalcontrolsystemsaddressedbythisTechnicalReportuseacombinationoftwotypesofdata:1)Machineprogramdata—DataformattedinaccordancewithISO2539andcodedinaccordancewithISO840.2)Operationalstatements—Machineset-up,initializationand/oroperationalparameterdataformattedinaccordancewiththisTechnicalReportandcodedinaccordancewithISO646.Charactersubset:0-80-90-100-13charactersofcolumn2except2-7charactersofcolumn3except3-11and3-15charactersofcolumn4except4-0charactersofcolumn5characters7-12and7-152OperationalstatementsItisnotexpectedthatallNCsystemswillembodyallthefeaturesandcapabilitiesforwhichoperationalstatementshavebeendefinedinthisTechnicalReport.WhenanNCsystemhasthecapabilitytoenteroperationalstatements,themnemonicsandformatsdefinedinthisTechnicalReportshallbeused.ItisnotintendedthatthefunctionsdefinedhereinshalllimitthecapabilitiesofNCsystems;ad-ditionalfunctionsandoperationalstatementsmaybedefinedandimplementedbythecontrolbuilderasrequired.Itisalsoexpectedthatinsomeinstances,acontrolbuildermay,athisdiscretion,implementoneormoreofthefunctionsdefinedhereinexclusivelywithpushbuttonswitchesorotherconventionaloperatorcontrols.Ifthesefunctionsarelabelledinanabbreviatedormnemonicfashion,themnemonicsdefinedinthisTechnicalReportshallbeused.3HardwareconfigurationThisTechnicalReportdealswithnumericalcontrolsystemswhichmayassumeanyofawidevarietyofhardwareconfigurationsac-cordingtothepurposeandcapabilitiesrequiredofthesystem.Figure1showsanumericalcontrolsystemcontainingseveraltypesofperipheralhardware.TheprimaryconcernofthisTechnicalReportistheformofthedatapreparedbythepartprogrammerorin-troducedbytheoperatorintothenumericalcontrolsystemthroughoneormoreofthesedevices.Ingeneral,thesedatacanbeeither"machineprogramdata"or"operationalstatements".BinarydatainterchangeinformatsnotconformingtothisTechnicalReportmaybeutilizedwithinoramongvariousdevices,attheconvenienceofthecontrolbuilder,wheneversuchinterchangeistransparenttotheuser.Figure1suggestssomeofthepossibletypesofperipheralequipmentthatmaybeusedwithanumericalcontrolsystem;itisnottheintentofthisTechnicalReporttospecifyortolimitthetypesofperipheralsusedinagivensystem.Otherstandardsexisttodefinesomeofthephysicalinterfacesimpliedbyfigure1.4FunctionalcategoriesofcommandsToillustratetheimplementationofasystemhavingabroadrangeofcommandsandwithmaximumutilizationofanalphanumerickeyboardforcommandentry,asystemhavingastructureorganizationaccordingtofigure2hasbeenused.Figure2showsseveralcategoriesofcommandsthatmaybeimplemented.ItisnottheintentofthisTechnicalReporttospecificallyrequireortolimitthecommandstothoseshowninfigure2;theextentofthecapabilitiesofanygivennumericalcontrolsystemwilldependupontheusetowhichthesystemisput.Insomesystems,diagnosticcapabilities,managementinformationsystemfacilitiesandotherspecializedfunctionsorcategoriesmightbeprovidedinadditiontothoseshowninfigure2.Afeatureoftheorganizationshowninfigure2istheexistenceofaModeSelectorlevelinthesystemstructure.Anoperatorcom-municatingwithanumericalcontrolsystemhavingthisstructurecangainaccesstoanyofthesubordinatecommandcategoriesfromtheModeSelectorlevel.Oncehehasenteredtheappropriatesub-level,hecanperformanydesiredoperationforwhichmnemoniccommandshavebeendefinedinthatcommandcategory.Whenhehascompletedhistask,hecanswitchfromthesub-levelbacktotheModeSelectorlevel
【中国标准分类号】:J50
【国际标准分类号】:
【页数】:21P;A4
【正文语种】:英语
【英文标准名称】:TestMethodforDistortionofOpticalLensesUsedinPhotomaskFabrication
【原文标准名称】:光掩膜制作用光学透镜畸变的试验方法
【标准号】:ASTMF614-1980
【标准状态】:现行
【国别】:美国
【发布日期】:1980
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:生产;光学;光学的;电子工程;透镜;畸变;试验;光掩膜
【英文主题词】:lenses;electronicengineering;testing;photomask;production;optical;distortion;optics
【摘要】:
【中国标准分类号】:N38
【国际标准分类号】:37_020
【页数】:4P;A4
【正文语种】:英语
