【英文标准名称】:TestMethodforWaterAbsorptionofPlastics(08.01)
【原文标准名称】:塑料吸水试验方法(08.01)
【标准号】:ANSI/ASTMD570-1995
【标准状态】:作废
【国别】:美国
【发布日期】:1995
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;塑料
【英文主题词】:plastics;testing
【摘要】:
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:
【正文语种】:英语


【英文标准名称】:Mechanicalvibrationofnon-reciprocatingmachines-Measurementsonrotatingshaftsandevaluationcriteria-Part3:Coupledindustrialmachines
【原文标准名称】:非往复式机器的机械振动旋转轴的测量和评定准则第3部分:耦合工业机械
【标准号】:ISO7919-3-1996
【标准状态】:作废
【国别】:国际
【发布日期】:1996-07
【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/TC108
【标准类型】:()
【标准水平】:()
【中文主题词】:发电机组;汽轮(发电)机组;旋转机械;振动试验;汽轮机;机器;估计;振动测量;耦合的;旋转式发动机;涡轮机组;振动;试验;试验;测量;振动工程;声学;耦合;轴(旋转)
【英文主题词】:Acoustics;Coupled;Coupling;Estimation;Evaluations;Generatingsets;Machines;Measurement;Measuringtechniques;Mechanicalengineering;Rotaryengines;Rotatingmachines;Shafts(rotating);Steamturbines;Steamturbosets;Testing;Tests;Turbinesets;Vibration;Vibrationengineering;Vibrationmeasurement;Vibrationtests
【摘要】:ThispartofISO7919givesguidelinesforapplyingevaluationcriteriaforshaftvibrationundernormalop-eratingconditions,measuredatorclosetothebearingsofcoupledindustrialmachines.Theseguidelinesarepresentedintermsofbothsteadyrun-ningvibrationandanymagnitudechangeswhichmayoccurinthesesteadyvalues.Thenumericalvaluesspecifiedarenotintendedtoserveastheonlybasisforvibrationevaluationsince,ingeneral,thevibratoryconditionofamachineisassessedbyconsiderationofboththeshaftvibrationandtheassociatedstruc-turalvibration(seetheintroductiontoISO7919-1).ThispartofISO7919appliestocoupledindustrialmachineswithfluid-filmbearings,havingmaximumcontinuousratedspeedsintherange1000r/minto30000r/min,andnotlimitedbysizeandpower,comprising—steamturbines;—turbocompressors;—turbopumps;—turbogenerators;—turbofans;—electricdrivesandassociatedgears,whererele-vant.ThispartofISO7919doesnotapplytolargeland-basedsteamturbinegeneratorsetsforpowerstationswithoutputsgreaterthan50MW(seeISO7919-2),nortomachinesetsinhydraulicpowergeneratingandpumpingplantswithoutputsof1MWorgreater(seeISO7919-5).
【中国标准分类号】:J04
【国际标准分类号】:17_160;29_160_40
【页数】:5P;A4
【正文语种】:英语