©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(2000)02-0075-05(,200336):,,:;;CNC;CAM:TG506:BAbstract:Thispaperintroducedtheimportantanceofhighspeedmachininginstudyingdieandmold.Thekeytechnologyofachievinghighspeedmachiningisdiscussed.Meanwhile,thedifferencebetweenhighspeedmachiningandtraditionalmachiningiscompared.Keywords:HSM;dieandmold;CNC;CAM0,,,(HighSpeedMachining),30%100%,3,CAD,,1NC1:1999-09-17:(1963),,572000.No.2©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:,30%1stock=0.10.12Rstock=R(R)2:(1);(2);(3),,,,,:(1);(2);(3)2.1,,,;,,,,67DieandMouldTechnologyNo.22000©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(a)-(b)-?:(1)S15000rpm,,MakinoSiemens,?15000rpm,20000rpm,30000rpm,50000rpm,;,5m/min;,1g(2),,,,,CNCDNC2.2,,,,,,:(1),,;(2),,;(3),,,,,2.3,CAD772000.No.2©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:(1);(2);(3),;(4),;(5)CAD/CAM/CAEUGSUG,V15.0,UGCAM:(1)35NURBS;(2);(3)UGCAMNURBSNURBS(Non-UniformRationalB-Splines)BCAD/CAM,:(1)NC;(2),;(3)CAD-CAM-CNC;(4),(G01)(G02G03),,,NURBS,NURBSCNC,,,33Nurbs34,2,3NURBS23,NURBS,R4,,,87DieandMouldTechnologyNo.22000©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=50.28h3R48000rpm1m/min0.48mm323.01minR415000rpm5m/min0.4mm82.35min323.01+82.35min=405.36min=6.756h?,CAD3D,,,,,,,,(83)972000.No.2©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.()(h)4QT500-75270300:[1].[M].:,1985,349353.[2].[M].:,1984,196198.[3].[M].:,1993:210212.(79):[1]HighSpeedMachiningOfDiesandMolds.[2]High-SpeedMillinginToolandMoldMaking.[3]RampingUpToHighSpeedMachining.[4].[M].:,1997.[5].[M].:,1996.382000.No.2