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GB 3648-1987 钨铁

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基本信息
标准名称:钨铁
中标分类: 冶金 >> 钢铁产品 >> 铁合金
替代情况:被GB/T 3648-1996代替
发布日期:
实施日期:1988-07-01
首发日期:
作废日期:
出版日期:
页数:2页
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所属分类: 冶金 钢铁产品 铁合金
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【英文标准名称】:Toolsforpressing-Punchholdershanks-Part2:TypeC(ISO10242-2:1991)
【原文标准名称】:压力工具.冲头柄.第2部分:C型
【标准号】:DINISO10242-2-2000
【标准状态】:作废
【国别】:德国
【发布日期】:2000-03
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:凸模夹持器;尺寸;柄;可置换性;压力设备;榫舌;金属的压力加工;工具;形状;硬度;公差(测量);材料;名称与符号
【英文主题词】:Designations;Dimensions;Hardness;Materials;Presstools;Pressworkingsofmetals;Punchholders;Replaceability;Shanks;Shape;Spigotsofdies;Tenons;Tolerances(measurement);Tools
【摘要】:ThedocumentspecifiesthedimensionsandtolerancesofpunchholdershankstypeC,intendedforuseinpresstools.Itgivesguidanceonthematerials,andspecifiesthehardnessanddesignationofpunchholdershanksinaccordancewiththispartofISO10242.
【中国标准分类号】:J32
【国际标准分类号】:25_120_10
【页数】:4P.;A4
【正文语种】:德语


【英文标准名称】:Automaticelectricalcontrolsforhouseholdandsimilaruse-Part2-17:Particularrequirementsforelectricallyoperatedgasvalves,includingmechanicalrequirements
【原文标准名称】:家用和类似用途电自动控制器.第2-17部分:电动煤气阀门(包括机械要求)的特殊要求
【标准号】:IEC60730-2-17Edition1.2-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-11-01
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC72
【标准类型】:()
【标准水平】:()
【中文主题词】:自动控制系统;控制仪;控制系统;电器;电控制设备;电气工程;电气特性及现象;煤气流量;家用;机械性能;规范(验收);值
【英文主题词】:Automaticcontrolsystems;Controldevices;Controlsystems;Electricappliances;Electriccontrolequipment;Electricalengineering;Electricalpropertiesandphenomena;Gasvalves;Householduse;Mechanicalproperties;Specification(approval);Valves
【摘要】:ThisclauseofpartIisreplacedasfollows:Replacement:1.1Thispart2ofIEC60730appliestoelectricallyoperatedgasvalvesforusein,onorinassociationwith,equipmentforhouseholdandsimilarusethatuseelectricity,incombinationwithfuelinthegaseousstatesuchasmanufacturedgas,naturalgasorliquefiedpetroleumgasintendedtobeusedforgasburningequipment.Additionalconsiderationsmaybenecessaryforgaswithcorrosiveproperties.Thispart2alsoappliestoelectricallyoperatedgasvalvesusingNTCorPTCthermistors,requirementsforwhicharecontainedinannexJ.1.1.1Thisstandardappliestotheinherentsafety,totheoperatingvalues,operatingtimes,andoperatingsequenceswheresuchareassociatedwithequipmentsafety,andtothetestingofelectricallyoperatedgasvalvesusedin,orinassociationwith,householdorsimilarequipment,butalsoextendedtoindustrialpurposeswhennodedicatedproductstandardexists,suchasthatforcentralheating,airconditioning,processheating,etc.Thispart2isalsoapplicabletocontrolsforapplianceswithinthescopeofIEC60335-1.Throughoutthispart2theword"equipment"means"applianceandequipment".Thispart2doesnotapplytoelectricallyoperatedgasvalvesdesignedexclusivelyforindustrialapplications.Electricallyoperatedgasvalvesforequipmentnotintendedfornormalhouseholduse,butwhichneverthelessmaybeusedbythepublic,suchasequipmentintendedtobeusedbylaymeninshops,inlightindustryandonfarms,arewithinthescopeofthispart2.Thispart2identifiesanumberofmechanicalfeaturesas"underconsideration".Untilthesemechanicalrequirementsareincorporatedinthispart2,eachcountryusingthispart2willhavetoquantifytheserequirements.Complianceofanelectricallyoperatedgasvalvewiththispart2doesnotimplythatthevalveisacceptablewithoutfurthertestsforthesemechanicalfeatures.1.1.2Thispart2appliestomanualcontrolswhensuchareelectricallyand/ormechanicallyintegralwithelectricallyoperatedgasvalves.RequirementsformanualswitchesnotformingpartofanelectricallyoperatedgasvalvearecontainedinIEC61058-1.Thispart2doesnotapplytoelectricallyoperatedgasvalvesofnominalconnectionsizeaboveDN150.Thispart2appliestoelectricallyoperatedgasvalvesformaximumworkingpressuresupto400kPa(4bar).Hereinafter,theterm"valve"isusedtodenoteanelectricallyoperatedgasvalve(incluclJngprimemoverandvalvebody).1.1.3Anelectricactuatorthatissubmittedtothetestinglaboratoryincombinationwithagasvalvewillbeevaluatedunderthispart2.AseparateelectricactuatorisevaluatedunderlEO60730-2-14,whichprovidesparticularrequirementsforelectricactuators.1.1.4Thispart2alsoappliestovalvesutilJzeclaspartofasystem,orvalvesmechanicallyintegralwithmultifunctionalcontrols.1.1.5Thispart2doesnotapplytovalvesenergizedbythermoelectricenergygeneratedinathermocoupleorthermopileinsertedJnagasflame.1.3Isnotapplicable.
【中国标准分类号】:Y60
【国际标准分类号】:97_120
【页数】:67P.;A4
【正文语种】: