BS ISO 10102-2001 螺钉和螺母用装配工具.工程用双头呆扳手.扳手长度和头部厚度
作者:标准资料网 时间:2024-04-26 17:32:01 浏览:8345
来源:标准资料网
【英文标准名称】:Assemblytoolsforscrewsandnuts.Double-headedopen-endedengineers'wrenches.Lengthofwrenchesandthicknessoftheheads
【原文标准名称】:螺钉和螺母用装配工具.工程用双头呆扳手.扳手长度和头部厚度
【标准号】:BSISO10102-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-06-15
【实施或试行日期】:2001-06-15
【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】:旋具;长度;扭矩;机床部件;扳手;组装;螺纹紧固件;螺母;尺寸;加工设备;厚度;开口扳手;尺寸测量;手工工具;螺钉
【英文主题词】:Assembling;Dimensionalmeasurement;Dimensions;Doubleopenendedspanners;Erecting(constructionoperation);Handtools;Heightofhead;Keys;Length;Machinetoolcomponents;Marking;Nuts;Open-endedspanners;Productionequipment;Screwdrivers;Screwdriversandspanners;Screws(bolts);Thickness;Threadedfasteners;Tools;Torque;Wrenches
【摘要】:ThisInternationalStandardspecifiestheoveralllengthandthemaximumheadthicknessfordouble-headedopen-endedengineers'wrenchescomplyingwiththetesttorque,seriesC,ofISO1711-1:1996.NOTEDouble-headedopen-endedengineer'swrenchesarelistedinISO1703:1983undernumber4.
【中国标准分类号】:A47
【国际标准分类号】:25_140_30
【页数】:12P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforMeasurementofFractureToughness
【原文标准名称】:断裂韧性测定的标准试验方法
【标准号】:ASTME1820-2009e1
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:E08.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:crackinitiation;crack-tipopeningdisplacement;CTOD;ductilefracture;elastic-plasticfracturetoughness;fractureinstability;J-integral;KIc;plane-strainfracturetoughness;resistancecurve;stablecrackgrowth;Crack-tipope
【摘要】:Assumingthepresenceofapreexisting,sharp,fatiguecrack,thematerialfracturetoughnessvaluesidentifiedbythistestmethodcharacterizeitsresistanceto:(1)fractureofastationarycrack,(2)fractureaftersomestabletearing,(3)stabletearingonset,and(4)sustainedstabletearing.Thistestmethodisparticularlyusefulwhenthematerialresponsecannotbeanticipatedbeforethetest.ApplicationofproceduresinTestMethodE1921isrecommendedfortestingferriticsteelsthatundergocleavagefractureintheductile-to-brittletransition.Thesefracturetoughnessvaluesmayserveasabasisformaterialcomparison,selection,andqualityassurance.Fracturetoughnesscanbeusedtorankmaterialswithinasimilaryieldstrengthrange.Thesefracturetoughnessvaluesmayserveasabasisforstructuralflawtoleranceassessment.Awarenessofdifferencesthatmayexistbetweenlaboratorytestandfieldconditionsisrequiredtomakeproperflawtoleranceassessment.Thefollowingcautionarystatementsarebasedonsomeobservations.Particularcaremustbeexercisedinapplyingtostructuralflawtoleranceassessmentthefracturetoughnessvalueassociatedwithfractureaftersomestabletearinghasoccurred.Thisresponseischaracteristicofferriticsteelinthetransitionregime.Thisresponseisespeciallysensitivetomaterialinhomogeneityandtoconstraintvariationsthatmaybeinducedbyplanargeometry,thicknessdifferences,modeofloading,andstructuraldetails.TheJ-Rcurvefrombend-typespecimensrecommendedbythistestmethod(SE(B),C(T),andDC(T))hasbeenobservedtobeconservativewithrespecttoresultsfromtensileloadingconfigurations.Thevaluesofx03B4;c,x03B4;u,Jc,andJumaybeaffectedbyspecimendimensions.1.1Thistestmethodcoversproceduresandguidelinesforthedeterminationoffracturetoughnessofmetallicmaterialsusingthefollowingparameters:K,J,andCTOD(x03B4;).ToughnesscanbemeasuredintheR-curveformatorasapointvalue.Thefracturetoughnessdeterminedinaccordancewiththistestmethodisfortheopeningmode(ModeI)ofloading.1.2Therecommendedspecimensaresingle-edgebend,[SE(B)],compact,[C(T)],anddisk-shapedcompact,[DC(T)].Allspecimenscontainnotchesthataresharpenedwithfatiguecracks.1.2.1Specimendimensional(size)requirementsvaryaccordingtothefracturetoughnessanalysisapplied.Theguidelinesareestablishedthroughconsiderationofmaterialtoughness,materialflowstrength,andtheindividualqualificationrequirementsofthetoughnessvaluepervaluessought.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;OtherstandardmethodsforthedeterminationoffracturetoughnessusingtheparametersK,J,andCTODarecontainedinTestMetho......
【中国标准分类号】:H22
【国际标准分类号】:77_040_10
【页数】:49P.;A4
【正文语种】:英语
【英文标准名称】:FixedresistorsforuseinelectronicequipmentPart5:Sectionalspecification:Fixedprecisionresistors
【原文标准名称】:电子设备用固定电阻器.第5部分:分规范:精密固定电阻器
【标准号】:JISC5201-5-1998
【标准状态】:现行
【国别】:日本
【发布日期】:1998-07-20
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonElectronics
【标准类型】:()
【标准水平】:()
【中文主题词】:电力电阻器;电子设备及元件;精密电阻器
【英文主题词】:
【摘要】:この規格は,JISC5201-Iを品目別通則とする電子機器用固定抵抗器の品種別通則で精密級固定抵抗器(以下.抵抗器という。)について規定する。
【中国标准分类号】:L13
【国际标准分类号】:31_040_10
【页数】:17P;A4
【正文语种】:日语
