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,theideaoftheoveralldesignisdescribed,andthede-terminationforthemainmechan

2、icalandelectronicparameters,includingtheoveralltesting,hasbeendiscussedindetail.Baseduponthepracticalcharacteristicandthespecificationsoftheinstrument,itwillbewidelyusedinthefieldofmachinetool,automobile,airplaneandshippingmanufactures.KeyWords:Electroniclevel;Platespring;LVDT;Tiltmeasurement

3、1IntroductionThenewdual-axiselectronicleveliscalledtiltsensortoo.Itisauniquetiltmeasuringsystemcapableofsimultaneouslyrecordingthedegreeanddirectionoftiltwithhighaccuracyupto1arc-sec.withinarangeof400arc-sec.,upto3arc-sec.withinarangeof800arc-sec.Ithasareadingresolutionupto0.1arc-sec.Theworki

4、ngprincipleoftheinstrumentisshowninFig.1.Itiscomposedofthreeparts.Onepartisthecombinationofthesupportframeandthebase.Anotherpartisstationarywork-piece5fixedonthetopofsup-portframe.Thethirdpartistheswingwork-piece2.Thework-pieces5and2areconnectedbyapairofdoubleplatesprings3.Duringmeasurementif

5、thesurfacewhichtheinstrumentissetonistilt,thewholestructureoftheinstrumentwilltilttoo.Buttheswingwork-piece2willmovebackalongthereversedirectiontothetiltbythegravity.Therefore,thecoilandthecoreoftheLVDT(linearvariabledifferentialtransformer)willhaverelativedisplacement,andtherelativedisplacem

6、entwillbeconvertedtoanalogvoltageoutput.Thepairofplatespringsareguidewaytokeeptheswingwork-piece2moving.Fig.1Thestructureoftheelectroniclevel.Becauseofthesimplestructureoftheinstrument,itisworkingwithoutwearandtear,alsonocrossinfluenceuponthefunctionorprecision.Itissuitableforwidefieldofappli

7、cationinqualityassuranceandengineering,twoexamplesaregivenasfollows.compensatethetiltofameasuredequipmentcanbereached.Thepurposeofusinganotherheadoftheinstrumentisthesameasinaboveexample.1.1CheckingtheflatnessofmeasuringtablesTheapplicationpr