EN 61300-3-20-2001 纤维光学互连器件和无源元件.基本试验和测量程序.第3-20部分:检查和测量.光纤分路设备的指向性

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【英文标准名称】:Fibreopticinterconnectingdevicesandpassivecomponents-Basictestandmeasurementprocedures-Part3-20:Examinationsandmeasurements;Directivityoffibreopticbranchingdevices(IEC61300-3-20:2001);GermanversionEN61300-3-20:2001
【原文标准名称】:纤维光学互连器件和无源元件.基本试验和测量程序.第3-20部分:检查和测量.光纤分路设备的指向性
【标准号】:EN61300-3-20-2001
【标准状态】:现行
【国别】:
【发布日期】:2002-08
【实施或试行日期】:2002-08-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:电缆配线箱;连接工艺;试验;无源;紧固件;阻尼(波);组件;玻璃纤维电缆;电插头;指向性;电缆;分路器件;指向性指数;电气工程;测量;测量技术;光波导;量规;纤维光学
【英文主题词】:Branchingdevices;Cabledistributioncubicles;Cables;Components;Connectiontechnology;Damping;Directivity;Directivityfactors;Electricplugs;Electricalengineering;Fasteners;Fibreoptics;Gauge;Glassfibrecables;Measurement;Measuringtechniques;Opticalwaveguides;Passive;Testing
【摘要】:
【中国标准分类号】:M33
【国际标准分类号】:33_180_20
【页数】:7P.;A4
【正文语种】:英语

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上一篇: EN 50324-2-2002 陶瓷材料和部件的压电性能.第2部分:低功率测量方法;德文版本EN50324-2:2002
下一篇: EN 300700-2000 数字增强无线远程通信(DECT).无线电中继站(WRS)(英文版本核准本EN300700V1.2.1(2000-09)作为德国标准)

【英文标准名称】:Petroleumandnaturalgasindustries-High-speedspecial-purposegearunits
【原文标准名称】:石油和天然气工业.高速专用齿轮装置
【标准号】:BSISO13691-2002
【标准状态】:作废
【国别】:英国
【发布日期】:2002-02-18
【实施或试行日期】:2002-02-18
【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】:石油技术;额定值;速度;燃气技术;齿轮传动;天然气
【英文主题词】:definitions;chemicalindustry;high-speedgears;gearboxes;teethofgears;specification(approval);naturalgasindustries;oilindustries;gearwheels;definition
【摘要】:ThisInternationalStandardspecifiestheminimumrequirementsforenclosed,precision,singleanddoublehelical,one-andtwo-stagespeedincreasersandreducersofparallelshaftdesignwithpinionspeedsof3000minorgreater,orpitchlinevelocitiesof25m/sorgreater,forspecialpurposeapplications.Suchapplicationswilltypicallyberequiredtooperatecontinuouslyforextendedperiods,withoutinstalledspareequipmentandarecriticaltothecontinuedoperationoftheinstallation.ByagreementthisInternationalStandardmaybeusedforotherservices.ThisInternationalStandardalsospecifiesamethodofratinggearswhichmeetthefollowingcriteria:a)gearaccuracy—teethaccuracy:accuracygrade4orbetterasgiveninISO1328-1:1995,forbothsinglepitchdeviation,fpt'andtotalcumulativepitchdeviation,Fp'—totalhelixdeviationFβbetweenthehelicesofthepinionandwheel:accuracygrade4orbetterasgiveninISO1328-1:1995;b)rangeofthetransversecontactratios:1,2<εα<2,0;c)overlapratioεβ≥1,0;d)helixangle:5≤β≤35°;e)workingflanksofthepinionorgear:providedwithprofilemodificationstoobtainagoodconjugatetoothloaddistributionalongthepathofcontact;f)workingflanksofpinionorgear:modifiedasnecessarytocompensateforbothtorsionalandbendingdeflectionsand,whennecessaryforgearswithpitchlinevelocitiesinexcessof100m/s,alsoforthermaldistortions;g)gearlubrication:straightmineraloil,viscositygradeVG-32orVG-46(seeISO3448);h)materialofthegearteeth:qualityMQorbetter,inaccordancewithISO6336-5:1996.
【中国标准分类号】:E91
【国际标准分类号】:21_200
【页数】:80P.;A4
【正文语种】:英语

MIL-STD-22D (NOTICE 3), MILITARY STANDARD: WELDED JOINT DESIGN (21 MAR 1991)., MIL-STD-22D, dated 25 MAT 1979 and Notice 2, dated 31 January 1984, has been reviewed and determined to be valid for use in acquisition.