SAE AIR1810 Design, Development and Test Criteria-Solid State Proximity Switches/Systems for Landing Gear Applications
时间:2024-05-25 05:36:21 来源: 标准资料网 作者：标准资料网 阅读：9309
Product Code:SAE AIR1810
Title:Design, Development and Test Criteria-Solid State Proximity Switches/Systems for Landing Gear Applications
Issuing Committee:A-5b Gears, Struts And Couplings Committee
Scope:The purpose of this AIR is to suggest specification, application, performance and validation criteria for solid state proximity switch systems used for environmentally severe applications on aircraft landing gear.
【英文标准名称】:Integratedcircuits-Measurementofelectromagneticemissions,150kHzto1GHz-Part2:Measurementofradiatedemissions-TEMcellandwidebandTEMcellmethod(IEC61967-2:2005);GermanversionEN61967-2:2005
【原文标准名称】:集成电路.150kHz-1GHz电磁辐射的测量.第2部分:辐射释放测量.TEM辐射室和宽频TEM辐射室法(IEC61967-2-2005).德文版本EN61967-2-2005
【标准号】:EN61967-2-2005
【标准状态】:现行
【国别】:
【发布日期】:2006-03
【实施或试行日期】:2006-03-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:电气工程;电磁辐射;电子工程;电子设备及元件;频率范围;信息技术;集成电路;干扰辐射;测量;测量技术;印制电路板;辐射释放;试验电路;试验;试验条件;试验装置;宽频带传输
【英文主题词】:Electricalengineering;Electromagneticradiation;Electronicengineering;Electronicequipmentandcomponents;Frequencyranges;Informationtechnology;Integratedcircuits;Interferingemissions;Measurement;Measuringtechniques;Printed-circuitboards;Radiatedemissions;Testcircuits;Testing;Testingconditions;Testingdevices;Widebandtransmission
【摘要】:
【中国标准分类号】:L56
【国际标准分类号】:31_200;33_100_20
【页数】:24P.;A4
【正文语种】:英语
【英文标准名称】:StandardGuideforInstrumentandPrecisionBearingLubricants-Part1Oils
【原文标准名称】:仪器和精密轴承润滑剂的标准指南.第1部分:油
【标准号】:ASTMF2161-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:F34.02
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:ballbearings;esteroil;instrumentandprecisionbearinglubricants;mineraloil;perfluoropolyetheroil;polyalphaolefins;siliconoil;Bearinglubricants;Esters;Lubricatingoils;Mineraloils;Perfluorinatedaliphaticethers(PFAE);Perfluorolp
【摘要】:Thepurposeofthisguideistoreportonthetestingof,todiscussandcomparethepropertiesof,andtoprovideguidelinesforthechoiceoflubricantsforprecisionrollingelementbearings(PREB).ThePREBare,forthepurposesofthisguide,meanttoincludebearingsofABEC5qualityandabove.ThisguidelimitsitsscopetooilsusedinPREBandistobefollowedbyasimilardocumenttoencompassgreasesusedinPREB.Thenumberoflubricants,bothoilsandgreases,usedinPREBincreaseddramaticallyfromtheearly1940stothemid1990s.Inthebeginningofthisperiod,petroleumproductsweretheonlywidelyavailablebasestocks.Later,syntheticlubricantsbecameavailableincludingsynthetichydrocarbons,esters,silicones,andfluorinatedmaterials,includingperfluorinatedethersandthefluorosilicones.ThisbroadspectrumoflubricantchoiceshasledtotheuseofalargenumberofdifferentlubricantsinPREBapplications.TheU.S.DepartmentofDefense,asauserofmanyPREB,hasseenasignificantincreaseinthelogisticseffortrequiredtosupporttheprocurementanddistributionoftheseitems.Inaddition,astimehaspassedsomeofthelubricantsusedincertainPREBarenolongeravailable.TheSRGSeries,LSO-26,andTeressoV-78areexamplesofsuchlubricants.Thisimpliesthatreplacementlubricantsmustbefoundas,inthiseraofextendingthelifetimeofDoDassets,stockpilesofreplacementpartsbecomedepleted.OneoftheprimarygoalsofthisstudywastotakeabroadspectrumofthelubricantsusedinPREBanddoacomprehensiveseriesoftestsontheminorderthattheirpropertiescouldbecomparedand,ifnecessary,potentialreplacementlubricantsidentified.ThisstudyisalsomeanttobeadesignguideforchoosinglubricantsforPREBapplications.Thisguiderepresentsacollectiveeffortofmanymembersofthiscommunitywhospanthespectrumfrombearingmanufacturers,originalequipmentmanufactures(OEMs),lubricantmanufacturersandsuppliers,procurementspecialists,andqualityassurancerepresentatives(QARs)fromDoDandendusersbothinsideandoutsideDoD.1.1Thisguideisatooltoaidinthechoiceofanoilforprecisionrollingelementbearingapplications.Therearetwoareaswherethisguideshouldhavethegreatestimpact:(1)whenalubricantisbeingchosenforanewbearingapplicationand(2)whenalubricantforabearinghastobereplacedbecausetheoriginallubricantspecifiedforthebearingcannolongerbeobtained.TheReport(Section5)containsaseriesoftestsperformedbythesamelaboratoryonawidevarietyofoilscommonlyusedinbearingapplicationstoallowcomparisonsofthosepropertiesoftheoilthatthecommitteethoughttobemostimportantwhenmakingachoiceoflubricant.Thisguidecontainsalistingofthepropertiesofoilsbychemicaltype,thatis,ester,silicone,andsoforth.Thisorganizationisnecessarysincetheoperationalrequirementsinaparticularbearingapplicationmaylimitthechoiceoflubricanttoaparticularchemicaltypeduetoitstemperaturestability,viscosityindexortemperature-vaporpressurecharacteristics,andsoforth.TheReportincludestheresultsoftestsontheoilsincludedinthisstudy.TheReportrecommendsreplacementlubricantsforthoseoilstestedthatarenolongeravailable.TheReportalsoincludesaglossaryoftermsusedindescribing/discussingthelubricationofprecisionandinstrumentbearings.TheReportpresentsadiscussionofelastohydrodynamiclubricationasappliedtorollingelementbearings.1.2Althoughothercompendiaoflubricantpropertieshavebeenpublished,forexample,theBardenProductStandard,LubricantsandtheNASALubricantHandbookfortheSpaceIndustry,nonehavecenteredtheirattentiononlubric......
【中国标准分类号】:E34
【国际标准分类号】:21_100_01
【页数】:13P.;A4
【正文语种】:英语