【英文标准名称】:Ferritecores-Guideonthelimitsofsurfaceirregularities-Part5:Planar-cores
【原文标准名称】:铁氧体磁芯.表面缺陷的限值指南.第5部分:平面磁芯
【标准号】:BSEN60424-5-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2009-07-31
【实施或试行日期】:2009-07-31
【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】:裂纹;损伤;缺陷;E形铁芯;EI-铁芯;电气工程;铁氧体磁心;精整;瑕疵;指导手册;不完整性;铁芯;不规则性;极限(数学);磁的;电磁元件;磁学;分规范;规范;表面不连续性;外观检查(测试)
【英文主题词】:Crack;Damage;Defects;E-cores;EI-cores;Electricalengineering;Ferritcores;Finishes;Flaws;Guidebooks;Imperfections;Ironcore;Irregularities;Limits(mathematics);Magnetic;Magneticcomponents;Magnetism;Sectionalspecification;Specification;Surfacediscontinuities;Visualinspection(testing)
【摘要】:ThispartofIEC60424givesguidanceonallowablelimitsofsurfaceirregularitiesapplicabletoplanar-coresinaccordancewiththerelevantgenericspecificationdefinedinIEC60424-1.TherelationsbetweenthemaindimensionsofplanarE-,ER-andEL-coresdifferfromthoseofstandardcores.Forexample,thewidthofplanarcoresislargerwhilethetotalheightismuchsmaller.Alsothethicknessofthelegsisinmostcasessmallerthancomparedtostandardcores.Thereforetheconceptoffixedreferencedimensionstodeterminethelengthofcracklimitsyieldcracklengthswhicharenotacceptableforthistypeofcore.ThispartofIEC60424followsanotherconceptwhichrelatesthecracklengthtodimensionsofthesurfaceonwhichthecrackoccurs.Alsotheconcepttodeterminethemaximumareaofchipsbasedonthetotalmatingsurfacefailsinthecaseofplanarcores.Theouterlegsofplanarcoresaremuchthinnerthanthoseofstandardcoreswhichmakesoverlappingandgluingmuchmoredifficult.Asinglechipofmaximumsizeontheouterlegmayriskthefunctionalityofthecoreset.Thereforethisstandardusesasareferencethematingsurfaceonwhichthechipoccurs.WindingsofplanarcoresareoftenPCB’swhicharegluedtotheinnersurfacesoftheplanarcore.Forthisreasontheinnersurfacesoftheplanarcoresneedtohaveabetterqualitythantheinnersurfacesofstandardcores.Thiswastakenintoaccountbyreducingthemaximumallowableareaofpulloutsintheinnersurfaces.Thisstandardisconsideredasasectionalspecificationusefulinthenegotiationbetweenferritecoremanufacturersandusersaboutsurfaceirregularities.
【中国标准分类号】:K14
【国际标准分类号】:29_100_10
【页数】:22P.;A4
【正文语种】:英语


【英文标准名称】:StandardPracticeforHumanEngineeringProgramRequirementsforShipsandMarineSystems,Equipment,andFacilities
【原文标准名称】:船和船舶系统、设备和设施的人机工程学要求的标准实施规程
【标准号】:ASTMF1337-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:F25.07
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:design;ergonomics;habitability;humansystemintegration;humanengineering;humanfactorsengineering;manpower;marineequipment;marinestructures;marinesystems;occupationalhealth;offshorefacilities;offshorestructures;oilrigsandplatforms;
【摘要】:IntendedUse8212;Compliancewiththispracticeprovidestheprocuringorganizationwithassurancethathumanuserswillbeefficient,effective,andsafeintheoperationandmaintenanceofmarinesystems,equipment,andfacilities.Specifically,itisintendedtoensurethefollowing:Systemperformancerequirementsareachievedreliablybyappropriateuseandaccommodationofthehumancomponentofthesystem.Usabledesignofequipment,software,andenvironmentpermitsthehuman-equipment/softwarecombinationtomeetsystemperformancegoals.Systemfeatures,processes,andproceduresdonotconstitutehazardstohumans.Trade-offsbetweenautomatedandmanualoperationsresultsineffectivehumanperformanceandappropriatecostcontrol.Manpower,personnel,andtrainingrequirementsaremet.SelectedHSIdesignstandardsareappliedthatareadequateandappropriatetechnically.Systemsandequipmentsaredesignedtofacilitaterequiredmaintenance.Proceduresforoperatingandmaintainingequipmentareefficient,reliable,approvedformaritimeuse,andsafe.Potentialerror-inducingequipmentdesignfeaturesareeliminated,oratleast,minimized,andsystemsaredesignedtobeerror-tolerant.Layoutsandarrangementsofequipmentaffordefficienttrafficpatterns,communications,anduse.Habitabilityfacilitiesandworkingspacesmeetenvironmentalcontrolandphysicalenvironmentrequirementstoprovidethelevelofcomfortandqualityoflifeforthecrewthatisconducivetomaintainingoptimumpersonnelperformanceandendurance.Hazardstohumanhealthareminimized.Personnelsurvivabilityismaximized.ScopeandNatureofWork8212;HSIincludes,butisnotlimitedto,activeparticipationthroughoutallphasesinthelifecycleofamarinesystem,includingrequirementsdefinition,design,development,production,operationsanddecommissioning.HSI,asasystemsengineeringprocess,shouldbeintegratedfullyintothelargerengineeringprocess.Forthegovernment,theHSIsystemsengineeringprocessismanifestedinbothamoreformalized,fullscalesystemacquisition,aswellasanon-developmentalitemacquisition.Forthecommercialindustry,thesystemacquisitionprocessislessformalandmorestreamlined.Eachprocessisdescribedbelow.GovernmentFormalized,FullScaleAcquisition8212;TheU.S.Government''sacquisitionprocessiscomposedofsixsteps,asillustratedinFig.3.Eachphaseisbrieflysummarizedbelow.CapabilitiesRequirements8212;TheCapabilitiesRequirementsphaseprecedestheotheracquisitionphasesanditisperformedbytheprocuringorganization.Itfocusesondefiningoperationalgoalsanddesiredcapabilitiesthatwillbeusedtoguidemarinesystemdevelopment;clarifyingrequirements;developinginitialdesignconceptsandalternatives;andassessingthefeasibilityandcostsofdevelopment.ThesearedevelopedthroughtheAnalysisofAlternatives(AoA)process,asdefinedintheJointCapabilitiesIntegrationDevelopmentSystem(JCIDS),andcapturedintheInitialCapabilitiesDocument(ICD).Thesearebasedonanalysesofmultipleconceptsthatconsideraffordability,technologymaturity,andresponsiveness.TypicalHSIinputsduringthisphaseincludedefininghumanperformance,habitability,andsafetyissues;identifyinghighlevelHSIrequirements;identifyingHSIrisks,functions,andtasksfromlegacyorpredecessorsystemsthatwillchallengehumanperformance;identifyingHSIlessonslearnedfromlegacyand/orpredecessorsystems;andidentifyingopportunitiesforworkloadreduction,manpowerop..........
【中国标准分类号】:A25
【国际标准分类号】:47_020_01
【页数】:23P.;A4
【正文语种】:英语