ISO 4296-2-1983 锰矿石取样第2部分:试样的制备

上一篇: NF E60-203-1983 润滑剂,工业用油和相关产品.机床和类似设备的润滑和控制用润滑剂.特性.
下一篇: DIN 10453-1983 干酪素和酪朊酸盐水分的测定.参考法

【英文标准名称】:StandardSpecificationforPerformanceofEngineOils
【原文标准名称】:引擎油性能的标准规范
【标准号】:ASTMD4485-2006
【标准状态】:作废
【国别】:美国
【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(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:机动车工程;发动机油;润滑系统;规范
【英文主题词】:Automotiveengineering;Engineoil;Lubricatingsystems;Specification
【摘要】:
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:29P;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