DIN 64805-1984 复动式多臂机.纹板的凿孔模板
时间:2024-05-15 12:46:10 来源: 标准资料网 作者：标准资料网 阅读：8434
【英文标准名称】:Doubleliftdobbies;cards,matrices
【原文标准名称】:复动式多臂机.纹板的凿孔模板
【标准号】:DIN64805-1984
【标准状态】:作废
【国别】:德国
【发布日期】:1984-08
【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】:多臂机;多臂织机纹板和纹钉;尺寸;名称与符号;纺织机械及附件;纺织机械;规范(审批);试验;作标记;材料;设计;织造机械;织机;多臂织机;卡片
【英文主题词】:Cards;Design;Designations;Dimensions;Dobbies;Dobbylags,pegsandcards;Liftdobbies;Looms;Marking;Materials;Specification(approval);Testing;Textilemachineryandaccessories;Textilemachines;Weavingmachinery
【摘要】:
【中国标准分类号】:W91
【国际标准分类号】:59_120_30
【页数】:3P.;A4
【正文语种】:德语
【英文标准名称】:Toolholderswithrectangularshankforindexableinserts;styleH
【原文标准名称】:可转位刀片用方柄刀杆.H型
【标准号】:DIN4984-14-1987
【标准状态】:作废
【国别】:德国
【发布日期】:1987-06
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:夹具;尺寸;作标记;形状;材料;机床部件;公差;切削工具;设计;可转位刀片;夹盘套筒;镶齿;工具夹;刀具夹持装置;方颈紧固件
【英文主题词】:tool-holdingdevices;cuttingtools;toolholders;machinetoolcomponents;shape;indexableinserts;inserts(cuttingtools);materials;tolerances(measurement);square-neckfasteners;chuckbushings;fixtures
【摘要】:
【中国标准分类号】:J52
【国际标准分类号】:25_100_00
【页数】:4P;A4
【正文语种】:德语
【英文标准名称】:StandardGuideforMixedFlowingGas(MFG)TestsforElectricalContacts
【原文标准名称】:电触点的混流气体试验用标准指南
【标准号】:ASTMB845-1997(2008)e1
【标准状态】:现行
【国别】:美国
【发布日期】:1997
【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】:B02.11
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:acceleratedtest;airvelocity;atmosphericcorrosion;chlorine;connector;corrosion;corrosivegastesting;electricalcontacts;environmental;humidity;hydrogensulfide;mixedflowinggas;nitrogendioxide;pollutant;reliability;sulfur;sulfurdioxi
【摘要】:Preservationofaconductingsurfaceonelectricalcontactisvitaltothecontinuedfunctioningofsuchcontacts.Contaminationofthesurfacewithinsulatinglayersformedbycorrosionprocessesisonepotentialhazard.LaboratorytestingofcontactsinMFGtestsisusedtoassesstheeffectivenessofdesignfeaturesandmaterials.MFGtestsareusedindevelopmentstudiesofprocessesandmaterialsforcontacts.Forexample,couponspecimensmaybeexposedtoMFGteststoevaluatenewcontactmaterials,layersofnewcoatingmaterialsonasupportingsubstrate,reducedcoatingthicknesses,orprotectivesurfacetreatments.MFGtestsarealsoemployedtotestthedurabilityofafinishedproductwithrespecttoatmosphericcorrosion.Forexample,finishedconnectorsmaybeexposedtoaMFGtestandtheirperformancescomparedagainsteachotheroragainstasetoffixedrequirements.Relaysorswitchcontactsmaybeexposedintheoperatedandnon-operatedconditionstocompareperformance.MFGtestsareusefulfordeterminingtheeffectivenessofconnectorhousingsandshroudsasbarrierstoingressofatmosphericcorrodantstothecontactsurfaces.Thesetestscanalsobeusedtoassessthescreeningofthemetal-to-metalcontactareasofmatedconnectors.MFGtestsareemployedasqualificationteststodetermineconnectorfailureratesinapplicationenvironmentsforwhichcorrelationbetweentestandapplicationhaspreviouslybeenestablished.ThisguideprovidestestconditionswhicharetobeappliedinconjunctionwithPracticeB827whichdefinestherequiredtestoperationandcertificationprocedures,tolerances,andreportingrequirements.WherethetestspecifierrequirescertificationsortolerancesdifferentthanthoseprovidedinPracticeB827,therequiredcertificationsortolerancesshallbepartofthetestspecification.DifferencesfromthespecificationsinPracticeB827shallbereportedinthetestreportprovidedbythetestoperatortothetestspecifier.Specificationofoneofthetestconditionsdefinedinthisdocumentintheformofastatementsuchas,x201C;PartsshallbetestedinaccordancewithASTMB845MethodZ.x201D;,implicitlyrequirestestcondition,Z,appliedaccordingtoPracticeB827.1.1Thetechniquesdescribedinthisguidepertaintomixedflowinggas(MFG)testscontainingspeciesthatareappliedtoevaluatedevicescontainingelectricalcontactssuchassliprings,separableconnectors,electromechanicalrelaysorswitchcontacts.Thesetechniquesmayberelevanttootherdevices,butitistheresponsibilityoftheusertodeterminesuitabilitypriortotesting.1.2TheMFGtestsdescribedinthisguidearedesignedtoacceleratecorrosivedegradationprocesses.Theseaccelerationsaredesignedsuchthatthedegradationoccursinamuchshortertimeperiodthanthatexpectedforsuchprocessesintheintendedapplicationenvironmentofthedevicebeingtested.Applicationenvironmentscanvarycontinuouslyfrombenigntoaggressivelycorrosive.Connectorsandcontactswithinclosedelectroniccabinetsmaybeaffectedbyanenvironmentofdifferentseveritythantheenvironmentontheoutsideofsuchcabinets.Ingeneral,indoorenvironmentsaredifferentthanoutdoorenvironments.TheMFGtestsdescribedherein,beingdiscreteembodimentsofspecificcorrosiveconditions,cannotberepresentativeofallpossibleapplicationenvironments.Itistheresponsibilityofthetestspecifiertoassurethepertinenceofagiventestconditiontothespecifier''sapplicationcondition.1.3TheMFGtestsdescribedhereinarenotd......
【中国标准分类号】:K14
【国际标准分类号】:29_120_20
【页数】:11P.;A4
【正文语种】:英语