DIN 2089-2-1992 圆线材和圆棒材制螺旋弹簧.拉力弹簧.计算和设计

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【英文标准名称】:Helicalspringsmadefromroundwireandrod-Extensionsprings-Calculationanddesign
【原文标准名称】:圆线材和圆棒材制螺旋弹簧.拉力弹簧.计算和设计
【标准号】:DIN2089-2-1992
【标准状态】:作废
【国别】:德国
【发布日期】:1992-11
【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】:额定值;设计;冷却盘管;热加工的;预加应力;尺寸;圆形;热加工;冷加工;弹簧;拉伸弹簧;螺旋弹簧;棒材;动力荷载;应力系数;金属线;数学计算;圆柱形;应力;静荷载;钢
【英文主题词】:
【摘要】:
【中国标准分类号】:J26
【国际标准分类号】:21_160
【页数】:6P;A4
【正文语种】:德语


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【英文标准名称】:StandardTestMethodforWaterPenetrationofMetalRoofPanelSystemsbyStaticWaterPressureHead
【原文标准名称】:通过静水压头测试金属屋顶格间水渗透性的标准试验方法
【标准号】:ASTME2140-2001(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【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】:E06.57
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:endlap;metalpanel;roof;roofpanel;sideseam;staticwaterpressure;water;waterleakage;waterpenetration;Metalroofpanelsystems;Statictests--buildingmaterials/applications;Waterpenetration--roofingmaterials/applications
【摘要】:Thistestmethodisastandardprocedurefordeterminingwaterleakagethroughmetalroofpanelsystemsideseams,endlaps,androofplanepenetrationswhentheroofsystemissubjectedtoaspecifiedstaticwaterpressurehead.Note28212;Inapplyingtheresultsoftestsbythismethod,notethattheperformanceofarooforitscomponentsorboth,isinpartafunctionofproperinstallationandadjustment.Inservice,theperformancewillalsodependontheintegrityofthesupportingconstruction,roofslope,andontheresistanceofcomponentstodeteriorationbyvariouscauses:corrosiveatmosphere,aging,ice,vibration,thermalcycling,etc.Itisdifficulttosimulatetheidenticalcomplexwetting,aging,andothervariableconditionsthatcanbeencounteredinservice,includingwind-blownpondedwater;theeffectsoftemperatureandageonsealantperformance;differentialpressureacrossthejointsduetowind,snow,andiceaccumulation;densificationandmigration;andabrasionswithinthejointcomponentswhichmayoccurduringthermalcyclingandotherweatherevents.Somejointconditionsaremoresensitivethanotherstothesefactors.Thistestmethodwillevaluatetheresistanceofroofpanels,sideseams,endlaps,androofplanepenetrationstowatersubmersion.Itwillnotevaluatepanelresistancetowinddrivenrain.Note38212;SeeTestMethodE1646foratestwhichevaluatesresistancetowinddrivenrain.Thistestmethodisnotastructuraladequacytest.Thistestmethodisapplicabletosingleskinmetalpanels,theexteriorskinoffactoryassembledcompositepanels,andtheexteriorskinoffieldassembledcompositesystemsaslongasmeanscanbeprovidedtodistinguishleakagethroughtheexteriorpanelsideseams/endlapsandperimeterleakage.1.1Thislaboratorytestmethodcoversthedeterminationoftheresistancetowaterpenetrationofexteriormetalroofpanelsystemsideseams,endlaps,androofplanepenetrationswhenaspecifiedstaticwaterpressureheadisappliedtotheoutsidefaceoftheroofpanel.Note18212;Thistestmethodisintendedtoevaluatewater-barrier(notwater-shedding)roofsystemjointsanddetails.Thesesystemsarealsoreferredtoashydrostaticroofsystems.1.2Thistestmethodislimitedtospecimensinwhichthesideseamsandattachmentsareclearlyvisibleandinwhichthesourceofleakageisreadilyobservable.1.3Thistestmethodexcludesperformanceatroofperimeterconditions.1.4Thistestmethodissuitableforevaluatingleakageatroofplanepenetrationssuchasfasteners,curbs,pipes,andexpansionjointsunderastaticwaterpressurehead.1.5Theproperuseofthistestmethodrequiresaknowledgeoftheprinciplesofwaterpressure.1.6Thetextofthisstandardincludesnotesandfootnotesexcludingtablesandfigures,whichprovideexplanatorymaterial.Thesenotesandfootnotesshallnotbeconsideredasrequirementsofthestandard.1.7Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificpr......
【中国标准分类号】:Q17
【国际标准分类号】:91_060_20
【页数】:4P.;A4
【正文语种】:英语


基本信息
标准名称:小型组合冲模 调节弯曲凸模
中标分类: 航空、航天 >> 航空器与航天器制造用设备 >> 模具
ICS分类: 机械制造 >> 无屑加工设备 >> 模制设备和铸造设备
发布日期:1983-08-25
实施日期:1983-09-01
首发日期:
作废日期:
出版日期:
页数:1页
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所属分类: 航空 航天 航空器与航天器制造用设备 模具 机械制造 无屑加工设备 模制设备和铸造设备