SY 5247-1991 套铣作业方法

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基本信息
标准名称:套铣作业方法
中标分类: 石油 >> 石油勘探、开发、集输设备 >> 石油钻采设备与仪器
替代情况:被SY/T 5247-97代替
发布日期:
实施日期:1991-11-01
首发日期:
作废日期:1998-07-01
出版日期:
页数:6页
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所属分类: 石油 石油勘探 开发 集输设备 石油钻采设备与仪器
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Product Code:SAE AMS4965
Title:Titanium Alloy, Bars, Wire, Forgings, and Rings, 6.0AI - 4.0V, Solution Heat Treated and Aged
Issuing Committee:Ams G Titanium And Refractory Metals Committee
Scope:This specification covers a titanium alloy in the form of bars, wire, forgings, and flash welded rings 4.000 inches (101.60 mm) and under in nominal diameter or least distance between parallel sides and of stock for forging and flash welded rings.【英文标准名称】:ULStandardforSafetyLow-VoltageSwitchgearandControlgear-Part7-3:AncillaryEquipment-SafetyRequirementsforFuseTerminalBlocksFirstEdition
【原文标准名称】:低压开关和控制装置.第7-3部分:辅助设备.熔丝接线板安全要求
【标准号】:UL60947-7-3-2005
【标准状态】:作废
【国别】:美国
【发布日期】:2005-02-15
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:辅助装置;铜导线;定义;接地导线;导电体;电气工程;熔断器;低电压;低压电器;低压开关设备;作标记;特性;额定值;安全要求;规范(验收);开关设备;接线板;试验
【英文主题词】:Auxiliarydevices;Copperconductors;Definition;Definitions;Earthconductors;Electricconductors;Electricalengineering;Fuses;Lowvoltage;Low-voltageequipment;Low-voltageswitchgear;Marking;Properties;Ratings;Safetyrequirements;Specification(approval);Switches;Switchgear;Terminalblocks;Testing
【摘要】:ThispartofIEC60947appliestofuseterminalblockswithscrew-typeorscrewless-typeclampingunitsfortheconnectionofrigid(solidorstranded)orflexiblecopperconductorsforthereceptionofcartridgefuse-linksinaccordancewithIEC60127-2,intendedprimarilyforindustrialorsimilaruseincircuitsnotexceeding1000Va.c.,upto1000Hzor1500Vd.c.,andhavingamaximumshort-circuitbreakingcapacityof1500A.Theyareintendedforinstallationinelectricalequipmentwithenclosureswhichsurroundthefuseterminalblockstosuchanextentthattheyareaccessibleonlywiththeaidofatool.Forcertainapplications,forexampleincontrolcircuits,thefuseterminalblocksmaybedesignedexclusivelyforshort-circuitprotection.NOTEThisstandardmaybeusedasaguideforfuseterminalblocksforthereceptionofspecialcartridgefuse-linkswhichdonotmeettherequirementsofIEC60127-2.Theobjectofthisstandardistospecifysafetyrequirementsandtestmethodsforthemechanical,electricalandthermalcharacteristicsoffuseterminalblocks,toensurethecompatibilitybetweenterminalblocksandstandardizedfuse-links.Thisstandardmaybeusedasaguidefor-fuseterminalblocksrequiringthefixingofspecialdevicestotheconductors,forexamplequickconnectterminationsorwrappedconnections,etc.;-fuseterminalblocksprovidingdirectcontacttotheconductorsbymeansofedgesorpointspenetratingtheinsulation,forexampleinsulationdisplacementconnections,etc.Whereapplicableinthisstandard,theterm"clampingunit"hasbeenusedinsteadoftheterm"terminal".ThisistakenintoaccountincaseofreferencetoIEC60947-1.
【中国标准分类号】:K31
【国际标准分类号】:29_130_20
【页数】:
【正文语种】:英语