【英文标准名称】:Stationarylead-acidbatteries-Valveregulatedtypes-Requirements
【原文标准名称】:固定式铅酸蓄电池组.阀门调节型.要求
【标准号】:BSEN60896-22-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2005-03-16
【实施或试行日期】:2005-03-16
【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】:耐久性;电气工程;负荷;操作安全;功能效率;性能;储存质量;选择;蓄电池;固定的;铅酸电池;试验;定义;安全;效率;特性;规范(验收)
【英文主题词】:Batteries;Definitions;Durability;Efficiency;Electricalengineering;Functionalefficiency;Lead-acidbatteries;Loading;Operationalsafety;Performance;Properties;Safety;Secondarybatteries;Selection;Specification(approval);Stationary;Storagequality;Testing
【摘要】:ThispartofIEC60896appliestoallstationarylead-acidcellsandmonoblocbatteriesofthevalveregulatedtypeforfloatchargeapplications,(i.e.permanentlyconnectedtoaloadandtoad.c.powersupply),inastaticlocation(i.e.notgenerallyintendedtobemovedfromplacetoplace)andincorporatedintostationaryequipmentorinstalledinbatteryroomsforuseintelecom,uninterruptiblepowersupply(UPS),utilityswitching,emergencypowerorsimilarapplications.TheobjectiveofthispartofIEC60896istoassistthespecifierintheunderstandingofthepurposeofeachtestcontainedwithinIEC60896-21andprovideguidanceonasuitablerequirementthatwillresultinthebatterymeetingtheneedsofaparticularindustryapplicationandoperationalcondition.ThisstandardisusedinconjunctionwiththecommontestmethodsdescribedinIEC60896-21andisassociatedwithalltypesandconstructionofvalveregulatedstationarylead-acidcellsandmonoblocsusedinstandbypowerapplications.ThispartofIEC60896doesnotapplytolead-acidcellsandbatteriesusedforvehicleenginestartingapplications(IEC60095series),solarphotovoltaicapplications(IEC61427),orgeneralpurposeapplications(IEC61056series).
【中国标准分类号】:K84
【国际标准分类号】:29_220_20
【页数】:32P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 热双金属横向弯曲试验方法 |
| 中标分类： |
电工 >>
电工材料和通用零件 >>
电工合金零件 |
| 替代情况： | 被JB/T 7131-2002代替 |
| 发布日期： | 1993-10-08 |
| 实施日期： | 1994-01-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 3页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 电工 电工材料和通用零件 电工合金零件
【英文标准名称】:StandardTestMethodforMeasuringShrinkagefromMoldDimensionsofMoldedThermosettingPlastics
【原文标准名称】:测量由模制热固塑料的模型尺寸收缩的标准试验方法
【标准号】:ASTMD6289-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D20.09
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:moldingshrinkage;post-moldingshrinkage;thermosetplastics;Compression-moldedplasticspecimens;Injectionmolding/extrusioncompounds;Molding/extrusioncompounds/materials;Moldingshrinkage;Post-moldingshrinkage;Shrinkage--plastics;Thermosettin
【摘要】:CompressionMolding8212;Incompressionmolding,thedifferencebetweenthedimensionsofamoldandofthemoldedarticleproducedthereinfromagivenmaterialvaryaccordingtothedesignandoperationofthemold.Itisprobablethatshrinkagewillapproachaminimumwheredesignandoperationaresuchthatamaximumofmaterialisforcedsolidlyintothemoldcavityorsomepartofit,orwherethemoldedarticleishardenedtoamaximumwhilestillunderpressure,particularlybycooling.Incontrast,shrinkagesarehigherwherethechargemustflowinthemoldcavitybutdoesnotreceiveandtransmitenoughpressuretobeforcedfirmlyintoallitsrecesses,orwherethemoldedarticleisnotfullyhardenedwhendischarged.Theplasticityofthematerialusedaffectsshrinkageinsofarasitaffectstheretentionandcompressionofthecharge.InjectionMolding8212;Ininjectionmolding,asincompressionmolding,thedifferencesbetweenthedimensionsofthemoldandofthemoldedarticleproducedthereinfromagivenmaterialvaryaccordingtothedesignandoperationofthemold.Thedifferencesvarywiththetypeandsizeofmoldingmachine,thethicknessofmoldedsections,thedegreeanddirectionofflowormovementofmaterialinthemold,thesizeofthenozzle,sprue,runner,andgate,thecycleonwhichthemachineisoperated,thetemperatureofthemold,andthelengthoftimethatfollow-uppressureismaintained.Asinthecaseofcompressionmolding,shrinkageswillapproachaminimumwheredesignandoperationaresuchthatamaximumofmaterialisforcedsolidlyintothemoldcavityandwherethemoldedarticleishardenedtoamaximumwhilestillunderpressureasaresultoftheuseofarunner,sprue,andnozzleofpropersize,alongwithproperdwell.Asincompressionmolding,shrinkagesarehigherwherethechargemustflowinthemoldcavitybutdoesnotreceiveandtransmitenoughpressuretobeforcedfirmlyintoalloftherecessesofthemold.Theplasticityofthematerialusedaffectsshrinkageindirectly,inthatthemorereadilyplasticizedmaterialwillrequirealowermoldingtemperature.TransferMolding8212;Intransfermolding,asincompressionorinjectionmolding,thedifferencebetweenthedimensionsofthemoldandofthemoldedarticleproducedthereinfromagivenmaterialvaryaccordingtothedesignandoperationofthemold.Itisaffectedbythesizeandtemperatureofthepotorcylinderandthepressureonit,aswellasonmoldtemperatureandmoldingcycle.Directionofflowisnotasimportantafactor.MaterialsStandards8212;Alwaysrefertomaterialstandardsforspecialtreatmentpriortomolding,moldingconditionsandspecialhandlingofthetestspecimensaftermolding.Intheeventthematerialstandardisunavailable,contactthemanufacturerfortheserecommendations.Utility8212;Measurementofbatch-to-batchconsistencyininitialshrinkagefrommoldtomoldeddimensionsisusefulforevaluatingthequalityofthermosettingplastics.1.1Thistestmethodisintendedtomeasureshrinkagefrommoldcavitytomoldeddimensionsofthermosettingplasticswhenmoldedbycompression,injection,ortransferunderspecifiedconditions.1.2Thistestmethodprovidesforthemeasurementofshrinkageofthermosettingplasticsfromtheirmoldsbothinitially(within16to72hofmolding)andastheyage(postx2013;shrinkageatelevatedtemperatures).1.3Thismethodwillgivecomparabledatabasedonstandardspecimensandcannotpredictabsolutevaluesinactualmol......
【中国标准分类号】:G31
【国际标准分类号】:83_080_10
【页数】:4P.;A4
【正文语种】:英语