φ60～245mm无缝钢管超声波自动检测系统

60245mm,,(,100088):60245mm,GB57771996C8,YB40821992,:;;;:TG115.28:A:100026656(2003)0620291203ANAUTOMATICULTRASONICTESTINGSYSTEMFOR60245mmSEAMLESSSTEELTUBESZHANGHeng,WUYang2bao,ZHOUZheng2lie(BeijingGeneralResearchInstituteforNon2FerrousMetals,Beijing100088,China)Abstract:Anautomaticultrasonictestingsystemfor60245mmseamlesssteeltubeswasintroducedincludingitscon2struction,controlunit,incidentangle,eccentricdistance,transducerfrequency,focalpointtotransducerdistance,waterdepthandtheparametersanddesignofultrasonicdetectionequipment.ThesyntheticindexofthesystemmettherequirementofstandardYB40821992accordingtothesensitivitylevelofC8inGB57771996.On2siteoperationshowedthatthesystemworkedwell.Keywords:Ultrasonicinspection;Seamlesssteeltube;Automaticinspection;Systemdesign,,,,,,60245mm1[1],,,,,,,(),(1)1.1:20022082261,,1=arcsinc1lc2l(1)119225620036NDTVol.25No.6Jun.2003©1995-2003TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.c1lc1l=1480m/sc2lc2l=5900m/s(1)1=14.53,14.53,,2=arcsinc1lc2srR(2)2c2sc2s=3200m/srRrRrR0.6(1)(2)12,14.532,260245mm,14291.2,X2sin=XR(3)2(1)(3)0.251RX0.462r(4)X=0.251R+0.462r2(5)1.31.3.1f,,;,f=5MHz1.3.2Fd,11mmdmindmaxFdmindmaxF60120801802451401201801101.4H2H=F-(R2-X2)1/2(6),,,H12R2-(R-T)21/2(7)T22.12.2,33,,292:60245mm©1995-2003TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.2mmdB/dBdB%%mm/dB4481.5320084602210001801024481.5320084245121200180122,,,,,,,,,,,2.3,,,,3UD2MC8YA,,,A,BC,C,6kHz;2.5,510MHz;(CRT)100mm80mm,(LCD)103mm79mm;10,50250mm,1000mm;1%;5%;100dB,1dB;28dB4GB57771996YB408219922[2],GB57771996C8,YB40821992,60245mm,GB57771996C85,:[1],,,.[M].:,1993.[2].[Z].:,1989.,,,,,,,,,,200,;392:60245mm©1995-2003TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.