电子水平仪英文文献

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1、学士学位论文英文翻译部分题目：电子水平仪设计院（系）专业学生学号班号指导教师翻译提交日期哈尔滨工业大学教务处制StudyonaNewHighAccuracyDual-axisElectronicLevelAbstractThestudyandthedevelopmentofanewdual-axis,highaccuracyandlowcostelec-troniclevelhavebeenintroduced.Inthispaper,theideaoftheoveralldesignisdesc

2、ribed,andthede-terminationforthemainmechanicalandelectronicparameters,includingtheoveralltesting,hasbeendiscussedindetail.Baseduponthepracticalcharacteristicandthespecificationsoftheinstrument,itwillbewidelyusedinthefieldofmachinetool,automobile,airpl

3、aneandshippingmanufactures.KeyWords:Electroniclevel;Platespring;LVDT;Tiltmeasurement1IntroductionThenewdual-axiselectronicleveliscalledtiltsensortoo.Itisauniquetiltmeasuringsystemcapableofsimultaneouslyrecordingthedegreeanddirectionoftiltwithhighaccur

4、acyupto1arc-sec.withinarangeof400arc-sec.,upto3arc-sec.withinarangeof800arc-sec.Ithasareadingresolutionupto0.1arc-sec.TheworkingprincipleoftheinstrumentisshowninFig.1.Itiscomposedofthreeparts.Onepartisthecombinationofthesupportframeandthebase.Anotherp

5、artisstationarywork-piece5fixedonthetopofsup-portframe.Thethirdpartistheswingwork-piece2.Thework-pieces5and2areconnectedbyapairofdoubleplatesprings3.Duringmeasurementifthesurfacewhichtheinstrumentissetonistilt,thewholestructureoftheinstrumentwilltiltt

6、oo.Buttheswingwork-piece2willmovebackalongthereversedirectiontothetiltbythegravity.Therefore,thecoilandthecoreoftheLVDT(linearvariabledifferentialtransformer)willhaverelativedisplacement,andtherelativedisplacementwillbeconvertedtoanalogvoltageoutput.T

7、hepairofplatespringsareguidewaytokeeptheswingwork-piece2moving.Fig.1Thestructureoftheelectroniclevel.Becauseofthesimplestructureoftheinstrument,itisworkingwithoutwearandtear,alsonocrossinfluenceuponthefunctionorprecision.Itissuitableforwidefieldofappl

8、icationinqualityassuranceandengineering,twoexamplesaregivenasfollows.compensatethetiltofameasuredequipmentcanbereached.Thepurposeofusinganotherheadoftheinstrumentisthesameasinaboveexample.1.1CheckingtheflatnessofmeasuringtablesTheapplicationpr