工件当量直径的计算

(,213011)CALCULATIONOFEQUIVALENTDIAMETEROFAWORKPIECEHuangYongwei(QishuyanLocomotive&RollingStockTechnologyResearchInstitute,MinistryofRailways,PRC):ÊD1=2SP(1)D2=LP(2)S,mm2L,mm,?:(1),,,,D,RI=HD320(3)I,AH,AömD,mmISO6933-1986,H2000Aöm(3)I=6.25D(A)R=IöL=6.25DöPD=1.989AömmR1.989Aömm,(2),2400mm,,25mm,H2000AömD(573)2000()2000()20001118203523,17,18,,,,()0752212200012NDTVol.22No.12Dec.2000©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.(IAEA)200011611IAEAAsgharAliKhan(ICNDT)SergioGhia13NDT,AsgharAliKhanIAEANDTSergioGhia200010152115,;,;,,1996,(),,200110IAEA,20012002IAEA,!()2000200020009111330,10,23,,,,,,,,,,,,()(570)1200mm,24000mm2,(1)D1=175mm,(2)D2=382mm(3)I1=1093A,I2=2388AR1=1093ö1200=0.91,R2=2388ö1200=1.99R1.989Aömm,R2,2300A,15ö50A1(3),R1.989Aömm(H=2000Aöm),,,(1)(2);,(2):19992122133752212200012NDTVol.22No.12Dec.2000©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.