:2006207208:(50575155):(1975-),,,,:27Vol.2720069JOURNALOFTAIYUANUNIVERSITYOFSCIENCEANDTECHNOLOGYSep.2006:167322057(2006)S0-0037-031,2,2,2,2,1,2(11,130025;21,030024):,,,,,,,:;;:TG333:A11.11947Brix,1955,Lewicki,,,,,1.2CameronDyson,1.31955LewickiDyson,,1.4,,,1.51998,,,--,,,,,(1990)(1995)1.61966CameronGoharFoordCameron1968,,,(1983)(1985),1994,,,,1.7XSibleyXX0.75mm,X,,X,,,,,0.5m,1.8WillisSeth1975,,,,1.91967CameronGregory,,,,1979,AtriaWhomesE,,,111.102004,,,,,,,2,,,21.111mm,,,,:d=n2,,832006:fn=v2dn:vd,fn,:fn=fnddfnn,,,,:fint=fn-1-fn=v2d,,,SheffieldR.S.Dwyer2Joyce2004,3Sommerfeld0.06S1,4mh20m32,,X,,,,:[1],.[M].1998.[2],1[J].,1996.21[3]Dwyer2JoyceR.S.Amethodforthemeasurementofhydrodynamicoilfilmsusingultrasonicreflection[J].TribologyLetters,2004,17(2).MeasurementsonFilmThicknessofOil2filmBearinginRollingMillZHAOChun2jiang1,WANGJian2mei2,MALi2feng2,YAOJian2bin2,WANGGuo2qiang2,HUANGQing2xue3(11JilinUniversity,Changchun130025,China;2.TaiyuanUniversityofScienceandTechnology,Taiyuan030024,China)Abstract:Basedonthesummaryofformermeasurementsonelstohydrodynamicflimthickness,thispaperintroducesvariousmeasure2mentsonfilmthicknessofoilfilmbearinginrollingmill,andtherecentfiber2opticaldisplacementsensorandultrasonicreflectionmethodsaremainlyillustrated.Throughanalysisandcomparison,themethodoffiber2opticaldisplacementsensorisdeducedtobepre2ciseandlessdependenttoenvironment,whileitstransparencytoraygreatlylimitsitsapplicationinoilfilmbearing.However,themethodofultrasonicreflectioncanpenetratethecontactbody,soitisvaluabletotheapplicationofultrasonicreflection.Keywords:oil2filmbearing,oil2filmthickness,measurement9327,: