SAE AS81044/8 Wire, Electric, Crosslinked Polyalkene Insulated, Silver-Coated Copper, Medium Weight, 600-Volt, 150掳C

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【英文标准名称】:Mechanicalvibrationofnon-reciprocatingmachines-Measurementsonrotatingshaftsandevaluationcriteria-Generalguidelines
【原文标准名称】:非往复式机械的机械振动.旋转轴的测量和评估标准.第1部分:一般指南
【标准号】:BSISO7919-1-1996
【标准状态】:现行
【国别】:英国
【发布日期】:1996-11-15
【实施或试行日期】:1996-11-15
【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】:轴(旋转);向量(数学);地震计;振动试验;旋转部件;振动;震动计;振动测量;安全措施;试验设备;试验条件
【英文主题词】:Acoustics;Determination;Estimation;Machines;Measurement;Rotaryengines;Shafts(rotating);Testing;Tests;Vibration;Vibrationengineering;Vibrationtests
【摘要】:ThispartofISO7919setsoutgeneralguidelinesformeasuringandevaluatingmachineryvibrationbymeansofmeasurementsmadedirectlyonrotatingshaftsforthepurposeofdeterminingshaftvibrationwithregardtoa)changesinvibrationalbehaviour;b)excessivekineticload;c)themonitoringofradialclearances.Itisapplicabletomeasurementsofbothabsoluteandrelativeradialshaftvibration,butexcludestorsionalandaxialshaftvibration.Theproceduresareappli-cableforbothoperationalmonitoringofmachinesandtoacceptancetestingonateststandandafterinstal-lation.Guidelinesarealsopresentedforsettingoper-ationallimits.NOTES1EvaluationcriteriafordifferentclassesofmachinerywillbeincludedinotherpartsofISO7919whentheybecomeavailable.Inthemeantime,guidelinesaregiveninannexA.2Theterm"shaftvibration"isusedthroughoutISO7919because,inmostcases,measurementswillbemadeonmachineshafts;however,ISO7919isalsoapplicabletomeasurementsmadeonotherrotatingelementsifsuchel-ementsarefoundtobemoresuitable,providedthattheguidelinesarerespected.ForthepurposesofISO7919,operationalmonitoringisconsideredtobethosevibrationmeasurementsmadeduringthenormaloperationofamachine.ISO7919permitstheuseofseveraldifferentmeasurementquantitiesandmethods,providedthattheyarewelldefinedandtheirlimitationsaresetout,sothattheinterpretationofthemeasurementswillbewellunderstood.ThispartofISO7919doesnotapplytoreciprocatingmachinery.
【中国标准分类号】:J04
【国际标准分类号】:17_160;29_160_40
【页数】:28P.;A4
【正文语种】:英语


【英文标准名称】:Methodsoftestfornonwovens-Methodsoftestfornonwovens-Determinationofmassperunitarea
【原文标准名称】:纺织品.无纺织物试验方法.单位面积质量测定
【标准号】:BSEN29073-1-1990
【标准状态】:现行
【国别】:英国
【发布日期】:1990-10-31
【实施或试行日期】:1990-10-31
【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】:定义;定义(术语);密度测量;测定;织物试验;织物;毡;地板覆盖物;通用库存材料;质量(物质);垫子;测量;潮气;无纺织织物;物理试验;材料;试验;纺织玻璃纤维;纺织材料;重量测量;重量;机织物
【英文主题词】:Definition;Definitions;Densitymeasurement;Determination;Fabrictesting;Fabrics;Felt;Floorcoverings;GSMsubstances;Mass;Mats;Measurement;Moisture;Non-wovenfabrics;Physicaltesting;Substance;Testing;Textileglass;Textiles;Weightmeasurement;Weights;Wovenfabrics
【摘要】:
【中国标准分类号】:W55
【国际标准分类号】:59_080_30
【页数】:14P.;A4
【正文语种】:英语