JIS B0401-2-1998 公差和配合的ISO体系.第2部分:孔和轴的标准公差级和公差偏差表
作者:标准资料网 时间:2024-05-14 17:49:45 浏览:9031
来源:标准资料网
【英文标准名称】:ISOsystemoflimitsandfits--Part2:Tablesofstandardtolerancegradesandlimitdeviationsforholesandshafts
【原文标准名称】:公差和配合的ISO体系.第2部分:孔和轴的标准公差级和公差偏差表
【标准号】:JISB0401-2-1998
【标准状态】:现行
【国别】:日本
【发布日期】:1998-01-20
【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】:TechnicalCommitteeonMachineElements
【标准类型】:()
【标准水平】:()
【中文主题词】:尺寸;轴向;尺寸公差;公差(测量);配合;轴(旋转);孔
【英文主题词】:tolerances(measurement);fits;dimensions;holes;axial;shafts(rotating);dimensionaltolerances
【摘要】:この規格のこの部は,JISB0401-1に示す規定事項に基づいて計算した穴及び軸に対して多く用いられる公差域クラス(公差域)の寸決許容差の数値を示す。この規格のこの部は,上の寸法許容差ES(穴の場合)及びes(軸の場合)並びに下の寸法許容差EI(穴の場合)及びei(軸の場合)の数値を規定する(図1を参照)。備考寸法許容差の表において,基準線を輪にして対称な公差等級JS及jsを除き,上の寸法許容差ES又はesの数値は下の寸法許容差EI又はeiの数値の上側に表示する。
【中国标准分类号】:J04
【国际标准分类号】:17_040_10
【页数】:48P;A4
【正文语种】:日语
【英文标准名称】:Radiofrequencyandcoaxialcableassemblies-Part4:Sectionalspecificationforsemi-rigidcoaxialcableassemblies(IEC60966-4:2003);GermanversionEN60966-4:2003
【原文标准名称】:射频同轴电缆组件.第4部分:半硬性同轴电缆组件分规范
【标准号】:DINEN60966-4-2004
【标准状态】:现行
【国别】:德国
【发布日期】:2004-06
【实施或试行日期】:2004-06-01
【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】:同轴电缆;电性能;质量评定;气候的;通信电缆;射频电缆;柔性;质量要求;电缆;电缆;分规范;规范;质量;试验;机械性能;现成的;定义;规范(验收);特性;电气工程;设计;环境试验
【英文主题词】:
【摘要】:
【中国标准分类号】:K13
【国际标准分类号】:33_120_10
【页数】:19P;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforSpecificGravityofSoilSolidsbyGasPycnometer
【原文标准名称】:用气体比重瓶法测定土壤固体粒子比重的标准试验方法
【标准号】:ASTMD5550-2006
【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】:D18.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:底部;土壤
【英文主题词】:desiccant;Drierite;salinity;soil;specificgravity;watercontent
【摘要】:Thespecificgravityvalueisusedinmanyphaserelationequationstodeterminerelativevolumesofparticle,water,andgasmixtures.Thetermsoilparticletypicallyreferstoanaturallyoccurringmineralgrainthatisnotreadilysolubleinwater.Therefore,thespecificgravityofsoilsthatcontainextraneousmatter(suchascement,lime,andthelike)orwater-solublematerial(suchassalt)mustbecorrectedfortheprecipitatethatformsonthespecimenafterdrying.Iftheprecipitatehasaspecificgravitylessthantheparentsoilgrains,theuncorrectedtestresultwillbetoolow.Iftheprecipitatehasahigherspecificgravity,thentheuncorrectedtestvaluewillbetoohigh.Note28212;Notwithstandingthestatementsonprecisionandbiascontainedinthistestmethod:Theprecisionofthistestmethodisdependentonthecompetenceofthepersonnelperformingitandthesuitabilityoftheequipmentandfacilitiesused.AgencieswhichmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetenttesting.UsersofthistestmethodarecautionedthatcompliancewithPracticeD3740doesnotensurereliabletesting.Reliabletestingdependsonseveralfactors;PracticeD3740providesameansofevaluatingsomeofthosefactors.1.1Thistestmethodcoversthedeterminationofthespecificgravityofsoilsolidsbymeansofagaspycnometer.Particlesizeislimitedbythedimensionsofthespecimencontaineroftheparticularpycnometerbeingused.1.2TestMethodD854maybeusedinsteadoforinconjunctionwiththistestmethodforperformingspecificgravitytestsonsoils.NotethatTestMethodD854doesnotrequirethespecializedtestapparatusneededbythistestmethod.However,TestMethodD854maynotbeusedifthespecimencontainsmatterthatcanreadilydissolveinwater,whereasthistestmethoddoesnothavethatlimitation.1.3AllmeasuredandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026.1.3.1Forpurposesofcomparing,ameasuredorcalculatedvalue(s)withspecifieslimits,themeasuredorcalculatedvalue(s)shallberoundedtothenearestdecimalorsignificantdigitsinthespecifiedlimits.1.3.2Theproceduresusedtospecifyhowdataarecollected/recordedandcalculatedinthisstandardareregardedastheindustrystandard.Inaddition,theyarerepresentativeofthesignificantdigitsthatshouldgenerallyberetained.Theproceduresuseddonotconsidermaterialvariation,purposeforobtainingthedata,specialpurposestudies,oranyconsiderationsfortheusersobjectives;anditiscommonpracticetoincreaseorreducesignificantdigitsofreporteddatatobecommensuratewiththeseconsiderations.Itisbeyondthescopeofthisstandardtoconsidersignificantdigitsusedinanalysismethodsforengineeringdesign.1.4ThevaluesstatedinacceptableSIunitsaretoberegardedasthestandard.Theinch-poundunitsgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:B11
【国际标准分类号】:13_080_10
【页数】:5P.;A4
【正文语种】:
