JJG (电子) 05045-1991 HP-4273A型预置容量表(试行)
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基本信息
标准名称: | HP-4273A型预置容量表(试行) |
中标分类: | 综合 >> 计量 >> 电磁计量 |
发布日期: | |
实施日期: | 1990-12-01 |
首发日期: | |
作废日期: | |
出版日期: | |
页数: | 4页 |
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前言
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目录
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所属分类: 综合 计量 电磁计量
下载地址: 点击此处下载
基本信息
标准名称: | 锗单晶电阻率直流四探针测量方法 |
中标分类: | 冶金 >> 金属理化性能试验方法 >> 金属物理性能试验方法 |
替代情况: | 被GB/T 1552-1995代替 |
发布日期: | 1900-01-01 |
实施日期: | 1986-07-01 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
出版日期: | 1900-01-01 |
页数: | 5页 |
适用范围
没有内容
前言
没有内容
目录
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引用标准
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所属分类: 冶金 金属理化性能试验方法 金属物理性能试验方法
【英文标准名称】:Mechanicalvibration-Evaluationofmachinevibrationbymeasurementsonnon-rotatingparts-Part3:Industrialmachineswithnominalpowerabove15kWandnominalspeedsbetween120r/minand15000r/minwhenmeasuredinsitu【原文标准名称】:机械振动在非旋转部件上测量和评定机器振动第3部分:在额定功率大于15kW、额定转速在120r/min和15000r/min之间现场测量的工业机器
【标准号】:ISO10816-3-1998
【标准状态】:作废
【国别】:国际
【发布日期】:1998-05
【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】:测量技术;旋转速度;固定的;轴承;压缩机;机器;定义;电动机;振动测量;工业涡轮机;旋转压缩机;外壳;振动;就地;安装位置;涡轮压缩机;轴承箱;发电机;验收试验;额定功率;汽轮机;振动工程;振动试验;机械振动;燃气轮机;振动强度;说明书;评定;泵;元部件;测量;分类;机械试验;性能
【英文主题词】:Acceptancetests;Bearinghousings;Bearings;Classification;Components;Compressors;Definition;Definitions;Electricmotors;Enclosures;Evaluations;Fans;Gasturbines;Generators;Insitu;Industrialturbine;Installationlocations;Instructions;Machinevibration;Machines;Measurement;Measuringtechniques;Mechanicalengineering;Mechanicaltesting;Performance;Powerratings;Pumps;Rotarycompressor;Rotationalspeeds;Stationary;Steamturbines;Turbocompressors;Vibration;Vibrationengineering;Vibrationmeasurement;Vibrationseverity;Vibrationtests
【摘要】:ThevibrationcriteriaprovidedinthispartofISO10816applytomachinesetswith,forinstance,steamturbineorelectricaldrives,havingapowerabove15kWandoperatingspeedsbetween120r/minand15000r/min.ThemachinesetscoveredbythispartofISO10816include:—steamturbineswithpowerupto50MW;—steamturbinesetswithpowergreaterthan50MWandspeedsbelow1500r/minorabove3600r/min(notincludedinISO10816-2);—rotarycompressors;—industrialgasturbineswithpowerupto3MW;—pumpsofcentrifugal,mixedfloworaxialflowtype;—generators,exceptwhenusedinhydraulicpowergeneratingandpumpingplants;—electricalmotorsofanytype;—blowersorfans.NOTEHowever,itshouldbenotedthatthevibrationcriteriapresentedinthispartofISO10816aregenerallyonlyapplicabletofanswithpowerratingsgreaterthan300kWorotherfanswithareasonablyrigidstructure/framewhicharenotflexiblysupported.Asandwhencircumstancespermit,recommendationsforothertypesoffans,includingthosewhichareflexiblysupportedorwithlightweightsheetmetalconstruction,willbeprepared.Untilsuchtime,classificationsmaybeagreedbetweenthemanufacturerandcustomer,usingresultsofpreviousoperationalexperience;seealsoISO14694.ThefollowingareexcludedfromthispartofISO10816:—land-basedsteamturbinegeneratorsetswithpowergreaterthan50MWandspeedsof1500r/min,1800r/min,3000r/min,or3600r/min(seeISO10816-2);—gasturbinemachineswithpowergreaterthan3MW(seeISO10816-4);—machinesetsinhydraulicpowergeneratingandpumpingplants(seeISO10816-5);—machinescoupledtoreciprocatingmachines(seeISO10816-6);—rotarypositivedisplacementcompressors(e.g.screwcompressors);—reciprocatingcompressors;—reciprocatingpumps;—submergedmotor-pumps;—windturbines.ThecriteriaofthispartofISO10816applytoinsitubroad-bandvibrationmeasurementstakenonthebearings,bearingpedestals,orhousingofmachinesundersteady-stateoperatingconditionswithinthenominaloperatingspeedrange.Theyrelatetobothacceptancetestingandoperationalmonitoring.TheevaluationcriteriaofthispartofISO10816areintendedtoapplytobothcontinuousandnon-continuousmonitoringsituations.ThispartofISO10816encompassesmachineswhichmayhavegearsorrollingelementbearings,butdoesnotaddressthediagnosticevaluationoftheconditionofthosegearsorbearings.Thecriteriaareapplicableonlyforthevibrationproducedbythemachinesetitselfandnotforvibrationwhichistransmittedtothemachinesetfromexternalsources.
【中国标准分类号】:J04
【国际标准分类号】:17_160
【页数】:12P;A4
【正文语种】:英语