BS EN 3064-1996 细齿形的螺杆自锁螺母.安装程序
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【英文标准名称】:Shanknuts,self-locking,serrated-Installationprocedure
【原文标准名称】:细齿形的螺杆自锁螺母.安装程序
【标准号】:BSEN3064-1996
【标准状态】:现行
【国别】:英国
【发布日期】:1996-10-15
【实施或试行日期】:1996-10-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:锯齿形的;抗振紧固件;航空运输工程;内螺纹紧固件;航天技术;防松螺母;装配;紧固件;飞行器部件;螺母
【英文主题词】:Aerospacetransport;Airtransport;Aircraft;Assembling;Checks;Clinchnuts;Crimping;Designations;Dimensions;Enginecomponents;Fasteners;Finishes;Hightemperature;Locatingface;Marking;Materials;Mounting;Nuts;Properties;Qualityassurance;Self-locking;Spacetransport;Specification(approval);Steels;Surveillance(approval);Teethofgears;Tensilestrength;Threads;Tools
【摘要】:Thisstandardspecifiestheconditionsofinstallation(tools,swagingandcontrol)ofself-lockingserratedshanknutsdefinedbyENstandards.Itshallbeapplicablewheneverreferenced.
【中国标准分类号】:J13
【国际标准分类号】:49_030_30
【页数】:12P.;A4
【正文语种】:英语
【英文标准名称】:ALLALUMINIUMALLOYCONDUCTORS(AAAC)ANDALUMINIUMALLOYCONDUCTORSSTEELREINFORCED(AACSR)FOROVERHEADLINES.
【原文标准名称】:架空用铝合金和铝钢合金电缆.规则
【标准号】:NFC34-125-1976
【标准状态】:作废
【国别】:法国
【发布日期】:1976-09
【实施或试行日期】:1976-10-06
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:K13
【国际标准分类号】:
【页数】:32P;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodforDeterminationoftheBreakawayFrictionCharacteristicsofRollingElementBearings
【原文标准名称】:测定滚动体轴承破裂摩擦特性的标准试验方法
【标准号】:ASTMG182-2006
【标准状态】:现行
【国别】:
【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(US-ASTM)
【起草单位】:G02.50
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:轴承;测定;元件;摩擦;滚动轴承;滚动体;试验
【英文主题词】:coefficientofrollingfriction;frictiontesting;rolling;rollingfriction
【摘要】:Thistestisasimple,effectivewayofdeterminingtheabilityofbearingstorollfreely.Mostbearingmanufacturersdonotsupplyinformationonthebreakawayfrictioncoefficientoftheirproductsandifthisisadesignfactor,usersoftenbuycandidatebearingsandtrythemuntiltheyfindonethatappearstooperatefreerthantheothers.Thistestallowsquantificationofthebreakawayfrictioncharacteristicsofbearings.Thistestassessesthefrictionofabearingasatribosystemwhichincludesitsconstructionandlubrication.Ithasshowntocorrelatewithuse.Ifabearinghasalowbreakawayangleinthistest,itsbreakawayfrictionwillbelowerinservicethanthesamesizebearingsthatdisplayedahigherbreakawayangleinthistest.Breakawayfrictionofbearingsisimportantininstrumentswhereforcesarelightandthebearingsareusedaspivotsratherthanforcontinuedrotation.Lowfrictionisoftenimperativeforproperdeviceoperation.Bearingswithlowbreakawayfrictionareoftensoughtforwebhandlingrollers.Manyrollersaredrivenonlybytangentialwebcontactandslippagecanoftendamagetheweb.Lowfrictionbearingsarerequired.Thistestisusefulforscreeningbearingsforanyapplicationswherebreakawayfrictionisadesignconcern.1.1ThistestmethodisanextensionofTestMethodG164andusesaninclinedplaneandapaperclipridertodetectthepresenceorabsenceoflubricantsonthesurfacesofflexiblewebs.Astudytoidentifyfreespinningorlowrollingfrictionbearingsindicatedthatthepaperclipfrictiontestcouldbeusedforrollingfrictionbysimplyreplacingthepaperclipwitharollingelementbearingonanaxle.Theangleoftheinclinedplaneatinitiationofrollingisthebreakawayangle.Thistestmethodcanbeusedtomeasuretheangleatbreakawayofsmalldiameter(upto100mmoutsidediameter)rollingelementbearings.Thebearingsthathavebeentestedinthedevelopmentofthismethodareconventionalballbearingswithdifferentseparators,seals,anddifferentconditionsoflubrication(none,oil,greases,andsoforth),butthereisnotechnicalreasonwhythistestmethodwouldnotworkwithbearingsofotherdesign,includingplainbearings.Rollingelementbearingslikeanyslidingsystemcanhavefrictioncharacteristicsatbreakawaythataredifferentthanrollingcontinuously.Asisthecasewithmostinclinedplanefrictiontests,thetestonlyproducesthefrictioncharacteristicattheonsetofmeasurablerolling,usingtheangle()whenmeasurablerollingcommences.Theobjectiveofthistestisanassessmentofbreakawayrollingfrictioncharacteristicstoassistmachinedesignersintheselectionofrollingelementbearingsforinstrumentpivotsandthelikewherebreakawayfrictionisaconcern.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J11
【国际标准分类号】:21_100_20
【页数】:5P.;A4
【正文语种】:
