DIN 69002-2-2001 机床.短轴.第2部分:尺寸和零部件清单.名称和符号
时间:2024-04-29 05:47:05 来源: 标准资料网 作者：标准资料网 阅读：9942
【英文标准名称】:Machinetools-Stubspindles-Part2:Dimensionsandlistsofparts,designation
【原文标准名称】:机床.短轴.第2部分:尺寸和零部件清单.名称和符号
【标准号】:DIN69002-2-2001
【标准状态】:现行
【国别】:德国
【发布日期】:2001-07
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:机床部件;主轴;物资清单;机床;短轴;工作轴;公差(测量);尺寸
【英文主题词】:machinetoolcomponents;inventories;tolerances(measurement);machinetools;dimensions;stubspindles;workspindle;spindles
【摘要】:Thedocumentspecifiesdimensionsandtechnicaldatastubspindlesusedinsingle-spindleormulti-spindlemachiningunitsasworkingspindles.Thesestubspindlesaresuitablefornon-guidetoolsandtoolholderspreferablywithfacecontact.Part1containsmainlythedescriptionofstubspindles,technicaldataandinformationforuse.Part2specificconnectingdimensions,partlists,thedescriptionschemeanddescriptionexamplesforassembledstubspindles.Part3specifiesdimensions,tolerancesandmaterialsforcomponentsofstubspindles.
【中国标准分类号】:J50
【国际标准分类号】:25_060_20
【页数】:13P;A4
【正文语种】:德语
【英文标准名称】:Rubberinsulatedleadwiresforelectricmachineryandapparatus
【原文标准名称】:电机和电气设备用橡胶绝缘铅包电线
【标准号】:JISC3315-1993
【标准状态】:作废
【国别】:日本
【发布日期】:1993-03-01
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:Electricity
【标准类型】:()
【标准水平】:()
【中文主题词】:电机;聚乙烯;乙丙橡胶;绝缘线;铠装导线;合成橡胶;硅酮橡胶;电线;氯丁橡胶
【英文主题词】:polyethylene
【摘要】:
【中国标准分类号】:K12
【国际标准分类号】:29_060_10
【页数】:19P;A4
【正文语种】:日语
【英文标准名称】:StandardTestMethodforMeasurementofCreepCrackGrowthTimesinMetals
【原文标准名称】:测量金属蠕变开裂增长次数的标准试验方法
【标准号】:ASTME1457-2007e2
【标准状态】:现行
【国别】:美国
【发布日期】:2007
【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】:E08.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:CreepcrackgrowthrateexpressedasafunctionofthesteadystateC*orKcharacterizestheresistanceofamaterialtocrackgrowthunderconditionsofextensivecreepdeformationorunderbrittlecreepconditions.Backgroundinformationontherationaleforemployingthefracturemechanicsapproachintheanalysesofcreepcrackgrowthdataisgivenin(8,10,27-32).Aggressiveenvironmentsathightemperaturescansignificantlyaffectthecreepcrackgrowthbehavior.Attentionmustbegiventotheproperselectionandcontroloftemperatureandenvironmentinresearchstudiesandingenerationofdesigndata.ExpressingCCItime,t0.2andCCGrate,da/dtasafunctionofanappropriatefracturemechanicsrelatedparameter,asdiscussedin11.8generallyprovidesresultsthatareindependentofspecimensizeandplanargeometryforthesamestressstateatthecracktipfortherangeofgeometriesandsizespresentedinthisdocument(seeAnnexA1).Thus,theappropriatecorrelationwillenableexchangeandcomparisonofdataobtainedfromavarietyofspecimenconfigurationsandloadingconditions.Moreover,thisfeatureenablescreepcrackgrowthdatatobeutilizedinthedesignandevaluationofengineeringstructuresoperatedatelevatedtemperatureswherecreepdeformationisaconcern.Theconceptofsimilitudeisassumed,implyingthatcracksofdifferingsizessubjectedtothesamenominalC*(t),Ct,orKwilladvancebyequalincrementsofcrackextensionperunittime,providedtheconditionsforthevalidityforthespecificcrackgrowthraterelatingparameteraremet.See11.7fordetails.Theeffectsofcracktipconstraintarisingfromvariationsinspecimensize,geometryandmaterialductilitycaninfluencet0.2andda/dt.Forexample,crackgrowthratesatthesamevalueofC*(t),Ctincreep-ductilematerialsgenerallyincreaseswithincreasingthickness.Itisthereforenecessarytokeepthecomponentdimensionsinmindwhenselectingspecimenthickness,geometryandsizeforlaboratorytesting.Differentgeometriesasmentionedin1.1.6mayhavedifferentsizerequirementsforobtaininggeometryandsizeindependentcreepcrackgrowthratedata.Itisthereforenecessarytoaccountforthesefactorswhencomparingda/dtdatafordifferentgeometriesorwhenpredictingcomponentlifeusinglaboratorydata.Forthesereasons,thescopeofthisstandardisrestrictedtotheuseofspecimensshowninAnnexA1andthevalidationcriteriaforthesespecimensarespecifiedin11.2.3and11.7.HoweverifspecimensotherthantheC(T)geometryareusedforgeneratingcreepcrackgrowthdata,thentheda/dtdataobtainedshould,ifpossible,becomparedagainsttestdataderivedfromthestandardC(T)testsinordertovalidatethedata.CreepcrackshavebeenobservedtogrowatdifferentratesatthebeginningoftestscomparedwiththeratesatequivalentC*(t),CtorKvaluesforcracksthathavesustainedpreviouscreepcrackextension(9,10).Thisregionisidentifiedasx2018;tailx2019;.Thedurationofthistransientcondition,x2018;tailx2019;,varieswithmaterialandinitiallyapplie..........
【中国标准分类号】:H22
【国际标准分类号】:77_040_10
【页数】:24P.;A4
【正文语种】:英语