ANSI/EIA/TIA 455-30B-1991 多模光纤信息传输能力的频率域测量

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【英文标准名称】:Testconditionsformachiningcentres-Part1:Geometrictestsformachineswithhorizontalspindleandwithaccessoryheads(horizontalZ-axis)
【原文标准名称】:加工中心检验条件第1部分:卧式和带附加主轴头的几何精度检验(水平Z轴)
【标准号】:ISO10791-1-1998
【标准状态】:现行
【国别】:国际
【发布日期】:1998-09
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC39
【标准类型】:()
【标准水平】:()
【中文主题词】:组合加工中心机床;试验;机床;验收试验;数值控制;试验条件;主轴
【英文主题词】:Acceptancetests;Machinetools;Machiningcenters;Numericalcontrol;Spindles;Testing;Testingconditions
【摘要】:Thispartof10791specifies,withreferencetoISO230-1,thegeometrictestsformachiningcentres(ornumericallycontrolledmillingmachines,boringmachines,etc.,whereapplicable)withhorizontalspindle(i.e.horizontalZ-axis).ThispartofISO10791appliestomachiningcentreshavingbasicallyfournumericallycontrolledaxes,ofwhichthreearelinear(X,YandZ)upto2000mminlength,andoneisrotary(B'),butrefersalsotosupplementarymovements,suchasthoseofslidingspindles,rams,oraccessoryuniversalheads.MovementsotherthanthosementionedareconsideredasspecialfeaturesandtherelevanttestsarenotincludedinthispartofISO10791.ThispartofISO10791takesintoconsideration,inannexesA,BandC,threepossibletypesofaccessoryuniversalheads,describedasfollows:—annexA:45°splitindexableheads,withmechanicalindexingofthedifferentangularpositionsofthetwobodies(e.g.Hirthcouplings):therelevanttests(AG1toAG9)checkonlytheresultingpositionofthespindle;—annexB:swivelheads,withtwonumericallycontrolledrotaryaxesperpendiculartoeachother(testsBG1toBG7);—annexC:45°splitcontinuousheads,similartothefirsttypebutprovidedwithcontinuouspositioningofthetwonumericallycontrolledrotaryaxes:therelevanttests(CG1toCG7)checkallthegeometricfeatures(planesandaxes)whichcontributetotheresultingpositionofthespindle,excludingthepositioningaccuracyofthetworotaryaxes;thesetestscanalsobeusedforadeeperinvestigationofthe45°indexableheads,iftheirmovementsandlocksallowthis.ThispartofISO10791dealsonlywiththeverificationofgeometricaccuracyofthemachineanddoesnotapplytothetestingofthemachineoperation,whichshouldgenerallybecheckedseparately.Certaintestsconcerningtheperformanceofthemachineoperatingunderno-loadorfinishingconditionsareincludedinotherpartsofISO10791.
【中国标准分类号】:J58
【国际标准分类号】:25_040_10
【页数】:55P;A4
【正文语种】:英语


【英文标准名称】:High-voltageswitchgearandcontrolgear-Part110:Inductiveloadswitching
【原文标准名称】:高压开关设备和控制设备.第110部分:电感负载开关
【标准号】:IEC62271-110-2009
【标准状态】:作废
【国别】:国际
【发布日期】:2009-01
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC17A
【标准类型】:()
【标准水平】:()
【中文主题词】:交流开关和控制开关;交流电流;断路器;电路;尺寸选定;电气工程;电气设备;电气安全;电磁兼容性;高电压;高压电器;高压开关装置;高压开关设备;感应;感应式调压器;绝缘件;室外电站;性能;防电击;合格试验;额定电压;额定值;常规检验;开关设备;试验;变压器
【英文主题词】:ACswitchgearandcontrolgear;Alternatingcurrent;Circuit-breakers;Circuits;Dimensioning;Electricalengineering;Electricalequipment;Electricalsafety;EMC;Highvoltage;High-voltageequipment;High-voltageswitchgear;High-voltageswitchgears;Induction;Induction-voltageregulators;Inductive;Insulations;Outdoorstations;Properties;Protectionagainstelectricshocks;Qualificationtests;Ratedvoltages;Ratings;Routinechecktests;Switchgear;Switchgears;Testing;Transformers
【摘要】:
【中国标准分类号】:K43
【国际标准分类号】:29_130_10
【页数】:49P;A4
【正文语种】:英语