【英文标准名称】:StandardGuideforInstrumentandPrecisionBearingLubricants-Part1Oils
【原文标准名称】:轴承润滑剂测量仪器及精度的标准指南.第1部分:油
【标准号】:ASTMF2161-2001
【标准状态】:现行
【国别】:
【发布日期】:2001
【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
【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,nonehavecenteredtheirattentiononlubricantscommonlyusedinprecisionrollingelementbearin......
【中国标准分类号】:N50
【国际标准分类号】:21_100_01
【页数】:14P.;A4
【正文语种】: