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MIL-STD-1684A (NOTICE 2)

作者:标准资料网 时间:2024-05-22 13:10:42  浏览:8134   来源:标准资料网
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MIL-STD-1684A (NOTICE 2), MILITARY STANDARD: CONTROL OF HEAT TREATMENT (24 APR 1991).
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【英文标准名称】:StandardPracticeforCalibrationofLinearDisplacementSensorSystemsUsedtoMeasureMicromotion
【原文标准名称】:用于测量微移动用直线位移传感器系统的刻度标准实施规范
【标准号】:ASTMF2537-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:F04.15
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:calibration;displacement;instrumentation;measurement;micromotion;sensor;transducer
【摘要】:Lineardisplacementsensorsystemsplayanimportantroleinorthopedicapplicationstomeasuremicromotionduringsimulateduseofjointprostheses.Lineardisplacementsensorsystemsmustbecalibratedforuseinthelaboratorytoensurereliableconversionsofthesystemx2019;selectricaloutputtoengineeringunits.Lineardisplacementsensorsystemsshouldbecalibratedbeforeinitialuse,atleastannuallythereafter,afteranychangeintheelectronicconfigurationthatemploysthesensor,afteranysignificantchangeintestconditionsusingthesensorthatdifferfromconditionsduringthelastcalibration,andafteranyphysicalactiononthesensorthatmightaffectitsresponse.Verificationofsensorperformanceinaccordancewithcalibrationshouldbeperformedonaperusebasisbothbeforeandaftertesting.Suchverificationcanbedonewithalessaccuratestandardthanthatusedforcalibration,andmaybedonewithonlyafewpoints.Lineardisplacementsensorsystemsgenerallyhaveaworkingrangewithinwhichvoltageoutputislinearlyproportionaltodisplacementofthesensor.Thisprocedureisapplicabletothelinearrangeofthesensor.Recommendedpracticeistousethelineardisplacementsensorsystemonlywithinitslinearworkingrange.1.1Thispracticecoverstheproceduresforcalibrationoflineardisplacementsensorsandtheircorrespondingpowersupply,signalconditioner,anddataacquisitionsystems(lineardisplacementsensorsystems)foruseinmeasuringmicromotion.Itcoversanysensorusedtomeasuredisplacementthatgivesanelectricalvoltageoutputthatislinearlyproportionaltodisplacement.Thisincludes,butisnotlimitedto,linearvariabledifferentialtransformers(LVDTs)anddifferentialvariablereluctancetransducers(DVRTs).1.2Thiscalibrationprocedureisusedtodeterminetherelationshipbetweenoutputofthelineardisplacementsensorsystemanddisplacement.Thisrelationshipisusedtoconvertreadingsfromthelineardisplacementsensorsystemintoengineeringunits.1.3Thiscalibrationprocedureisalsousedtodeterminetheerrorofthelineardisplacementsensorsystemovertherangeofitsuse.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:L15
【国际标准分类号】:17_020
【页数】:4P.;A4
【正文语种】:


【英文标准名称】:Shortlinkchainsforliftingpurposes-GradeTH,finetoleranceformanuallyoperatedchainhoists
【原文标准名称】:提升用短环节链.等级TH、手动节链起重机的精细公差
【标准号】:ISO16877-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-08
【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/TC111
【标准类型】:()
【标准水平】:()
【中文主题词】:链滑轮组;链式吊索;链条;定义;名称与符号;尺寸;手动的;仪器;提升装置;提升设备;提升操作;手动装置;作标记;机械性能;圆钢链条;安全要求;安全试验;短环节链;规范(验收);钢;测试
【英文主题词】:Chainpulleyblocks;Chainslings;Chains;Definitions;Designations;Dimensions;Handoperated;Instruments;Liftingdevices;Liftingequipment;Liftingoperations;Manually-operateddevices;Marking;Mechanicalproperties;Roundsteelchains;Safetyrequirements;Safetytests;Shortlink;Specification(approval);Steels;Testing
【摘要】:ThisInternationalStandardspecifiestherequirementsforGradeTHfine-tolerancehoistchains,foruseasloadchainsinmanuallyoperatedchainhoistsandconsistingofroundsteelshortlinkchains,electricallyweldedandheattreated,testedtoandcompliantwiththeISO1834generalconditionsofacceptance.NOTEButtweldingandflashbuttweldingaredefinedinISO4063TherangeofnominalsizesofheistchainscoveredbythisInternationalStandardisfrom3mmto13mmTheyareforuseinthetemperaturerange10℃to280℃.
【中国标准分类号】:J80
【国际标准分类号】:53_020_30
【页数】:13P;A4
【正文语种】:英语



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