SAE AMS4996 Billets and Preforms, 6al 4v, Premium Quality, Powder-Metallurgy Product
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来源:标准资料网
Product Code:SAE AMS4996
Title:Billets and Preforms, 6al 4v, Premium Quality, Powder-Metallurgy Product
Issuing Committee:Ams G Titanium And Refractory Metals Committee
Scope:This specification covers a premium-quality, titanium alloy powder-metallurgy product in the form of billets and preforms for forgings.
基本信息
| 标准名称： | 摄像管线圈组件测试方法 |
| 英文名称： | Methods of measurement for camera tube yoke assemblies |
| 中标分类： |
综合 >>
标准化管理与一般规定 >>
技术管理 |
| 替代情况： | 原标准号GB 9366-1988 |
| 发布日期： | 1996-11-20 |
| 实施日期： | 1997-01-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 8页 |
适用范围
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前言
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引用标准
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所属分类： 综合 标准化管理与一般规定 技术管理
【英文标准名称】:Basicstandardfortheevaluationofhumanexposuretoelectromagneticfieldsfromequipmentforresistanceweldingandalliedprocesses
【原文标准名称】:人类暴露于电阻焊及其类似加工设备电磁场的评估用基础标准
【标准号】:BSEN50505-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2008-06-30
【实施或试行日期】:2008-06-30
【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】:电弧焊接;电弧焊件;基础标准;定义;电气工程;电气安全;电磁兼容性;电磁场;电磁特性;电磁辐射;EMC;发射;评估;曝光;熔焊;保健;抗扰性;干扰抑制;极限(数学);测量;测量技术;职业安全;人;防电击;合格试验;辐射防护;电阻焊接;规范(验收);标准;测试;焊接;焊接电流
【英文主题词】:Arcwelding;Arc-weldings;Basicstandard;Definitions;Electricalengineering;Electricalsafety;Electromagneticcompatibility;Electromagneticfields;Electromagneticproperties;Electromagneticradiation;EMC;Emission;Evaluations;Exposure;Fusionwelding;Healthprotection;Immunity;Interferencerejections;Limits(mathematics);Measurement;Measuringtechniques;Occupationalsafety;People;Protectionagainstelectricshocks;Qualificationtests;Radiationprotection;Resistancewelding;Specification(approval);Standards;Testing;Welding;Weldingcurrent
【摘要】:ThisEuropeanStandardappliestoequipmentforresistanceweldingandalliedprocessesdesignedforuseinindustrialordomesticenvironments.NOTE1Typicalalliedprocessesareresistancehardandsoftsolderingorresistanceheatingachievedbymeanscomparabletoresistanceweldingequipment.ThisEuropeanStandardestablishesasuitableevaluationmethodfordeterminingtheelectromagneticfieldsinthespacearoundtheequipmentanddefinesstandardizedoperatingconditionsandmeasuringdistances.Itprovidesamethodtoshowconformitywithguidelinesorrequirementsconcerninghumanexposuretoelectromagneticfields.TheDirective2006/95/ECoftheEuropeanParliamentandtheCouncil[1],Article2,stipulatesthattheMemberStatestakeallappropriatemeasurestoensurethatelectricalequipmentmaybeplacedonthemarketonlyif,havingbeenconstructedinaccordancewithgoodengineeringpracticeinsafetymattersinforceintheCommunity,itdoesnotendangerthesafetyofpersons,domesticanimalsorpropertywhenproperlyinstalledandmaintainedandusedinapplicationsforwhichiswasmade.TheprincipalelementsofthosesafetyobjectivesarelistedinAnnexIClause2.b.ThisstandardmaybeusedinconjunctionwithEN50445fordemonstrationofconformitytotheCouncilDirectivewithreferencetohumanexposuretoelectromagneticfields(EMF).ThereareadditionalrequirementscoveredbyArticle2andAnnexIClause2.b,whicharenotincludedinthisdocument.TheCouncilRecommendation1999/519/EC[2]providesBasicRestrictionsandDerivedreferencelevelsforexposureofthegeneralpublic.ThisstandardmaybeusedfordemonstrationofresistanceweldingequipmentconformitytotheCouncilRecommendationonthisbasis,buttheremaybeadditionalspecificnationalorinternationalrequirementswhicharenotincluded.TheICNIRPGuidelines[3],onlimitsofexposuretostaticmagneticfieldsaswellasforlimitingexposureintimevaryingelectric,magneticandelectromagneticfields,provideBasicrestrictionsandDerivedreferencelevelsforbothoccupationalandgeneralexposure.ThisstandardmaybeusedfordemonstrationofequipmentconformitytoICNIRPGuidelinesonthisbasis,buttheremaybeadditionalnationalorinternationalrequirementswhicharenotincluded.ItisalsopossibletousethisdocumentasabasistodemonstrateconformityofresistanceweldingequipmenttoothernationalandinternationalguidelinesorrequirementswithregardtohumanexposurefromEMF,forexampleCouncilDirective2004/40/EC[4]ontheminimumhealthandsafetyrequirementsregardingtheexposureofworkerstotheriskarisingfromphysicalagents(electromagneticfields),ortherequirementsoftheDirective98/37/EC[5].Inthesecases,otherrestrictionsandlevelsthanthosereferencedabovemaybeused.Otherstandardsmayapplytoequipmentcoveredbythisstandard.Inparticularthisstandardcannotbeusedtodemonstrateelectromagneticcompatibilitywithotherequipment;nordoesitspecifyanyproductsafetyrequirementsotherthanthosespecificallyrelatedtohumanexposuretoelectromagneticfields.Thefrequencyrangecoveredis0Hzto300GHz.NOTE2Procedurestodemonstrateconformityarenotspecifiedforthewholefrequencyrange.
【中国标准分类号】:J64
【国际标准分类号】:13_280;25_160_30
【页数】:76P.;A4
【正文语种】:英语
