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【英文标准名称】:Screwingtaps-Specificationformetricgroundthreadtaps:manufacturingtolerances
【原文标准名称】:丝锥.公制磨牙丝锥规范:制造公差
【标准号】:BS949-4-1990
【标准状态】:现行
【国别】:英国
【发布日期】:1990-06-29
【实施或试行日期】:1990-06-29
【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】:紧配合螺纹;切削工具;尺寸公差;尺寸规格;钻头;母螺纹;ISO米制螺纹;ISO螺纹;作标记;数学计算;中螺纹;米制螺纹;标准螺纹;中径;剖面图;螺栓螺纹;水嘴;丝锥;螺距;车螺纹;螺纹零件;攻丝刀具;螺纹;公差(测量);工具
【英文主题词】:Close-fitthreads;Cuttingtools;Dimensionaltolerances;Dimensions;Drills;Femalethreads;ISOmetricthreads;ISOscrewthreads;Marking;Mathematicalcalculations;Mediumthreads;Metricscrewthreads;Normalthreads;Pitchdiameter;Profile;Screwthreads;Taps;Taps(threading);Threadpitch;Thread-cutting;Threadedcomponents;Threadingtools;Threads;Tolerances(measurement);Tools
【摘要】:ManufacturingtolerancesonthethreadedportionoftapsforproducingISOmetricthreadsoftoleranceclasses4Hto8Hand4Gto6G.ValidforshorttapsspecifiedinISO/R529aswellasanyotherkindofgroundthreadtapswiththesamediametersandpitches.
【中国标准分类号】:J41
【国际标准分类号】:25_100_50
【页数】:20P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforDeterminingFireResistanceofPerimeterFireBarrierSystemsUsingIntermediate-Scale,Multi-storyTestApparatus
【原文标准名称】:用中型多层试验设备测定周边防火墙系统防火性的标准试验方法
【标准号】:ASTME2307-2004e1
【标准状态】:现行
【国别】:
【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】:E05.11
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:constructiongap;cycling;curtainwall;exteriorwall;fire;fireresistance;fire-resistance;fire-resistivejointsystem;gap;intermediate-scale;multistorytestapparatus;joint;linearopening;movement;perimeterfirebarriersystem;perimeterjoint;perimeterjointprotection;separatingelement;void
【摘要】:1.1Thistestmethodmeasurestheperformanceoftheperimeterfirebarriersystemanditsabilitytomaintainasealtopreventfirespreadduringthedeflectionanddeformationoftheexteriorwallassemblyandfloorassemblyduringthefiretest,whileresistingfireexposurefromaninteriorcompartmentfireaswellasfromtheflameplumeemittedfromthewindowburnerbelow.Theendpointofthefireresistancetestistheperiodoftimeelapsingbeforethefirstconditionofcomplianceisreachedastheperimeterfirebarriersystemissubjectedtoatime-temperaturefireexposure.1.2Thefireexposureconditionsusedarethosespecifiedbythistestmethodforthefirst30minofexposureandthenconformtotheTestMethodsE119time-temperaturecurvefortheremainderofthetestinthetestroom.1.3Thistestmethodspecifiestheheatingconditions,methodsoftest,andcriteriaforevaluationoftheabilityofaperimeterfirebarriersystemtomaintainthefireresistancewhereafloorandexteriorwallassemblyarejuxtaposedtoaperimeterjoint.1.4Testresultsestablishtheperformanceofperimeterfirebarriersystemsduringthefire-exposureperiodandshallnotbeconstruedashavingdeterminedthesuitabilityofperimeterfirebarriersystemsforuseafterthatexposure.1.5Thistestmethoddoesnotprovidequantitativeinformationabouttheperimeterfirebarriersystemrelativetotherateofleakageofsmokeorgasesorboth.Whileitrequiresthatsuchphenomenabenotedandreportedwhendescribingthegeneralbehaviorofperimeterfirebarriersystemduringthefireresistancetest,suchphenomenaarenotpartoftheconditionsofcompliance.1.6Potentiallyimportantfactorsandfirecharacteristicsnotaddressedbythistestmethodinclude,butarenotlimitedto:1.6.1Theperformanceoftheperimeterfirebarriersystemconstructedwithcomponentsotherthanthosetested,and1.6.2Thecyclicmovementcapabilitiesofperimeterfirebarriersystemsotherthanthecyclingconditionstested.1.7Thistestmethodisusedtomeasureanddescribetheresponseofmaterials,productsorassembliestoheatandflameundercontrolledconditionsbutdoesnotbyitselfincorporateallfactorsrequiredforthefire-hazardorfire-riskassessmentofthematerials,products,orassembliesunderactualfireconditions.1.8Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.TheSIvaluesgiveninparenthesesareforinformationonly.1.9Thetextofthistestmethodreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C80
【国际标准分类号】:13_220_20
【页数】:20P.;A4
【正文语种】: