JB/T 8040-1999 机床夹具零件及部件 拆卸垫
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来源:标准资料网
基本信息
| 标准名称： | 机床夹具零件及部件 拆卸垫 |
| 英文名称： | The parts and units of jigs and fixtures - Detac hable washer |
| 中标分类： |
机械 >>
工艺装备 >>
一般卡具 |
| ICS分类： |
综合、术语学、标准化、文献 >>
词汇 >>
电气工程 (词汇)
|
| 替代情况： | JB/T 8040-1995(原标准号GB/T 2253-1991) |
| 发布部门： | 机械科学研究院 |
| 发布日期： | 1999-08-06 |
| 实施日期： | 2000-01-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 归口单位： | 机械科学研究院 |
| 出版日期： | 1900-01-01 |
| 页数： | 2 页 |
| 批文号： | 国机管[1999]433号 |
适用范围
JB/T 8040-1999 本标准是对 JB/T 8040-95《机床夹具零件及部件 拆卸垫》的修订，修订时仅按有关规定作了编辑性修改，技术内容没有改变。 本标准规定了规格为 7.5～93mm 的拆卸垫。 本标准于 1981 年以 GB 2253-80 首次发布，于 1991年 4 月 30 日第一次修订为 GB/T 2253-91，于 1996 年 4 调整为 JB/T 8040-95。
前言
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引用标准
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所属分类： 机械 工艺装备 一般卡具 综合 术语学 标准化 文献 词汇 电气工程 (词汇)
【英文标准名称】:StandardSpecificationforHigh-StrengthLow-AlloyWeldedandSeamlessSteelPipe
【原文标准名称】:高强度低合金焊接和无缝钢管的标准规范
【标准号】:ASTMA714-1999(2003)
【标准状态】:现行
【国别】:
【发布日期】:1999
【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】:A01.09
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:高抗拉;钢;管;焊接的;无缝管;合金钢;焊接
【英文主题词】:seamless;high-strength;pressurepiping;steels
【摘要】:1.1Thisspecificationcoversseamlessandweldedhigh-strengthlow-alloysteelpipeNPS1/2toNPS26,inclusive.Pipehavingotherdimensionsmaybefurnishedprovidedsuchpipecomplieswithallotherrequirementsofthisspecification.Thismaterialisintendedforpressurepipingservice,andothergeneralpurposes,wheresavingsinweightoraddeddurabilityareimportant.Note18212;ThedimensionlessdesignatorNPS(nominalpipesize)hasbeensubstitutedinthisstandardforsuchtraditionaltermsas"nominaldiameter,""size,"and"nominalsize."Note28212;AcomprehensivelistingofstandardizedpipedimensionsiscontainedinANSIStandardB36.10.1.2Class8212;Thesehigh-strengthlow-alloysteelshaveenhancedresistancetogeneralatmosphericcorrosionbyweatheringascommonlyencounteredinrural,urban,marine,andindustrialenvironments.Theyaresuppliedintwoclasses:Class2,havingcorrosionresistanceequivalenttothatofcarbonsteelwithcopper(0.20minimumCu);andClass4,havingcorrosionresistancesubstantiallybetterthanthatofClass2(Note3).Class4steelswhenproperlyexposedtotheatmospherecanbeusedbare(unpainted)formanyapplications.Note38212;FormethodsofestimatingtheatmosphericcorrosionresistanceoflowalloysteelsseeGuideG101oractualdata.1.3Type8212;Pipemaybefurnishedinthefollowingtypesofmanufacturingprocesses:TypeF8212;Furnace-buttwelded,continuouswelded,TypeE8212;Electric-resistancewelded,andTypeS8212;Seamless.1.3.1Pipeorderedunderthisspecificationissuitableforwelding.1.3.2TypeEpipemaybefurnishedeithernonexpandedorcold-expandedattheoptionofthemanufacturer.1.3.3TypesF,E,andSpipearecommonlyfurnishedinnonheat-treatedcondition.TypeSpipemaybefurnishedinnormalized(orother)heat-treatedcondition,whensospecified.1.3.4TypesF,E,andSpipeinsinglerandomlengthsmaybefurnishedwithhot-dippedgalvanizedcoatingofzinc,subjecttoinquirytotheproducer.1.3.5Couplings,whenfurnished,shallbeofthesameclass,heat-treatedcondition,andgradeofmaterialasthepipeordered.1.4Grade8212;Thisspecificationdesignateseightgradesofsteelcompositionaslistedinandcorrespondingtensilerequirementsforthegradesaslistedin.1.4.1ForClass2pipe,GradeI,II,orIIIshallbespecified,andcopper-bearingsteelisrequiredasspecifiedin.1.4.2ForClass4pipe,GradeIV,V,VI,VII,orVIIIshallbespecified.Alternatively,forClass4,TypeS,andTypeEpipe,asteelcompositioncorrespondingtoagradelistedinofSpecificationA588/A588Mmaybespecified,subjecttonegotiation.1.5WhenClass4pipeisjoinedbyweldingorisusedinweldedconstruction,theuseriscautionedthattheselectionofweldingprocedureandresultantcompositionoffusedmetalshouldbesuitableforClass4materialandtheintendedservice.1.6Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.
【中国标准分类号】:H48
【国际标准分类号】:23_040_10
【页数】:8P.;A4
【正文语种】:
【英文标准名称】:StandardTestMethodforDeterminingTearingStrengthofInternallyReinforcedGeomembranes
【原文标准名称】:内增强地膜扯裂强度测定的标准试验方法
【标准号】:ASTMD5884-2004a(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:D35.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:geomembrane;reinforced;tearingstrength;textile;Geomembranes;Internallyreinforcedgeomembranes;Reinforcedgeomembranes;Teartesting--geosyntheticmaterials/applications
【摘要】:Sincetearresistancemaybeaffectedtoalargedegreebymechanicalfiberingofthemembraneunderstress,aswellasbystressdistribution,strainrate,andsizeofspecimen,theresultsobtainedinatearresistancetestcanonlyberegardedasameasureoftheresistanceundertheconditionsofthatparticulartestandnotnecessarilyashavinganydirectrelationtoservicevalue.Thistestmethodmeasurestheforcerequiredtotearareinforcedgeomembranealongareasonablydefinedcoursesuchasthatthetearpropagatesacrossthewidthofthespecimen.Thevaluesmayvarybetweentypesofreinforcementusedwithinageomembrane.Thetonguetearmethodisusefulforestimatingtherelativetearresistanceofdifferentreinforcingtextilesordifferentdirectionsinthesamereinforcingtextiles.Disputes8212;Incaseofadisputearisingfromdifferencesinreportedtestresultswhenusingthistestmethodforacceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativeteststodetermineifthereisastatisticaldifferencebetweentheirlaboratories.1.1Thistestmethodcoversauniformprocedurefordeterminingthetearstrengthofflexiblegeomembranesinternallyreinforcedwithatextile,usingthetonguetearmethod.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundunitsgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G33
【国际标准分类号】:59_080_70
【页数】:3P.;A4
【正文语种】:英语
