JJG 460-1986 光栅数显静态机械轨道衡检定规程
时间:2024-05-03 13:08:56 来源: 标准资料网 作者：标准资料网 阅读：9967
基本信息
| 标准名称： | 光栅数显静态机械轨道衡检定规程 |
| 英文名称： | Railway Mechanical Track Scale in Static Weighing with Grating-Digital Display |
| 中标分类： |
综合 >>
计量 >>
力学计量 |
| 替代情况： | 被JJG 781-2002代替 |
| 发布日期： | |
| 实施日期： | 2002-06-10 |
| 首发日期： | |
| 作废日期： | 2002-07-01 |
| 出版日期： | |
| 页数： | 16页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 综合 计量 力学计量
【英文标准名称】:Mechanicalvibration-Evaluationofmachinevibrationbymeasurementsonnon-rotatingparts-Part7:Rotodynamicpumpsforindustrialapplications,includingmeasurementsonrotatingshafts(ISO10816-7:2009);EnglishversionofDINISO10816-7:2009-08
【原文标准名称】:机械振动.通过对非旋转部件的测量评定机械振动.第7部分:包括在旋转轴上测量的工业设施用旋转动力泵(ISO10816-7:2009),英文版本DINISO10816-7:2009-08
【标准号】:DINISO10816-7-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-08
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:验收试验;钢;离心泵;分类;估计;评定;评估;工业;说明书;机械振动;机械;机器;测量;测量技术;机械工程;机械测试;机械试验;;性能;额定功率;泵送装置;往复运动部件;;试验;测试;痕量元素分析;振动的传递;振动;振动工程;振动强度;振动测量;抗震试验;振动强度
【英文主题词】:Acceptancetests;Centrifugalpumps;Classification;Estimation;Evaluations;Industries;Instructions;Machinevibration;Machines;Measurement;Measuringtechniques;Mechanicalengineering;Mechanicaltesting;Non-rotating;Performance;Powerratings;Pumpinstallations;Reciprocatingparts;Shaftvibrations;Testing;Transferofvibrations;Vibration;Vibrationengineering;Vibrationintensity;Vibrationmeasurement;Vibrationresistancetests;Vibrationseverity
【摘要】:ThispartofISO10816givesinstructionsfortheevaluationofvibrationonrotodynamicpumpsforindustrialapplicationswithnominalpowerabove1kW.Itdefinesthespecialrequirementsforevaluationofvibrationwhenthevibrationmeasurementsaremadeonnon-rotatingparts(bearinghousingvibration).Itprovidesspecificguidanceforassessingtheseverityofvibrationmeasuredonbearinghousingsofrotodynamicpumpsinsituandfortheacceptancetestatthemanufacturer'stestfacilityorintheplant.ThispartofISO10816alsogivesgeneralinformationandguidelinesforassessingrelativeshaftvibrationoftherotatingshaft.ThispartofISO10816specifieszonesandlimitsforthevibrationofhorizontalandverticalpumpsirrespectiveoftheirsupportflexibility.Thegeneralevaluationcriteriaarevalidforoperationalmonitoringofrotodynamicpumpsandforacceptancetests1)insituoratthemanufacturer'stestfacilityifspecified.Fortheacceptancetestatthemanufacturer'stestfacility,specialconditionsaregiven.Formonitoringthevibrationvaluesduringlong-termoperation,twocriteriaareprovidedforassessingthemachinevibration.Onecriterionconsidersthemagnitudeoftheobservedvibrationandthesecondconsiderschangesinmagnitude.Theevaluationcriteriaareapplicableforthevibrationproducedbythepumpitselfandnotforvibrationwhichistransmittedtothepumpfromexternalsources.Thecriteriamainlyservetoensureareliable,safelong-termoperationofthepump,simultaneouslyminimizingharmfuleffectsonconnecteddevices.Additionally,recommendationsaregivenfordefiningoperationallimitsandsettingalarmandtripvalues.Forpumpunitswithintegratedelectricalmotors(impellerdirectlyonthemotorshaftorimpellershaftrigidlyconnectedtothemotorshaft),thispartofISO10816appliestothewholecoupledunit.Forflexiblycoupledmotors,thispartofISO10816isapplicableforthepumponly.Also,separatelymounteddriversarenotwithinthescopeofthispartofISO10816.ThosedriversaredealtwithinISO10816-3.ThefollowingtypesofpumpsareexcludedfromthispartofISO10816:--reciprocatingandrotatingpositivedisplacementpumps;--reciprocatingenginedrivenpumps;--pumpsinhydraulicpowergeneratingandpumpingplantswithpowerabove1MW(seeISO7919-5andISO10816-5);--solidshandling,slurryandsubmersiblepumps.TorsionalvibrationisnotdealtwithinthispartofISO10816.
【中国标准分类号】:Z32
【国际标准分类号】:
【页数】:22P.;A4
【正文语种】:英语
【英文标准名称】:Dentalimplants;guidelinesfordevelopingdentalimplants
【原文标准名称】:牙科植入物研制牙科植入物指南
【标准号】:ISO/TR11175-1993
【标准状态】:现行
【国别】:国际
【发布日期】:1993-08
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC106
【标准类型】:()
【标准水平】:()
【中文主题词】:外科植入物;生物力学;生物测定;牙充填材料;牙科学;试验
【英文主题词】:implants(surgical);dentistry;dentalfillingmaterials;biomechanics;bioassay;testing
【摘要】:Providesgeneralguidelines,principlesandconceptsrelevanttotheproductionofagiventypeofdentalimplant;doesnotaimtodefinetheidealdentalimplant.Includestechnicalaspectsandbiologicalaspects.
【中国标准分类号】:C33
【国际标准分类号】:11_060_15
【页数】:6P;A4
【正文语种】:英语