数控仿真系统三维建模技术研究

20074354MACHINETOOL&HYDRAULICSApr12007Vol135No1431,2(11,200093;21,210094):,(CSG),,();,,;,(),:;;CSG;;:TH165:A:1001-3881(2007)4-068-3Studyonthe3DModelingofNCSimulationSystemZHOUJing1,LUBaochun2(11CollegeofMechanicalEngineering,UniversityofShanghaiforScienceandTechnology,Shanghai200093,China;21SchoolofMechanicalEngineering,NanjingUniversityofScienceandTechnology,Nanjing210094,China)Abstract:Syntheticallyconsideringthemachinetoolsconfiguration,characteristicsofactualmachiningandthetypeofsimula2tionanimation,several3Dmodelingmethodswereappliedtothesystems3Dsimulationmodule1OnthebasisoftheideaofCSGmod2elingmethod,thehierarchicalstructuralmodelingmethodwasadoptedtoconstructmachine(includingtool)model1Thediscretizationoftrianglemeshwasusedinthedynamicsimulationofmachiningprocesswhicheffectivelysolvestheanamorphicanimationofthemod2el1Theparticlesystemmodelingmethodwasimplementedtodescribethephysicalanimationsimulationofirregularobjects,suchascoolingfluid1Thesystembasedontheabovemethodshasidearealisticeffectsandreal2timecapability1Keywords:NCsimulation;Modeling;CSG;Discretization;Theparticlesystem0,,,,,,,,(ConstructiveSolidGeom2etry,CSG)[1],,,1,,3:(1)(),,,;(,)CSG,[2-3],(2),NC,,,,:,,,,;,[4][5-6],,,,[7](3)()3::,;,[8]2211CSG,,:,;,;(),,,OpenGL,OpenGL,,,,1CSG,,;,,(1L),1212:,,,,[5-6],:;;21211:,;,,2,,;,;(),2ABCD,,ABCD,ABDBCD,2(),,;21212:;();(),()APT(AutomaticallyProgrammedTools)[9],,,:,([9]),964:,,()212133,,,,()3213,[8],(:),;();4:,,,,,:(1),,(2),;OpenGLglTranslateglRotate(3),;,4(4),4,3,,,Windows,OpenGL,VisualC++610,5:,51DonaldHearn,M1PaulineBaker1[M]1:,199812,,,,1[J]1,2004(6):13-1513,,,1[J]1,2003(12):29-3014,,,1[J]1,2004,16(5):642-64715,,1[J]1,2002,30(9):1112-111516,,1[J]1,2000(9):78-8017,,1[J]1,1998,9(5):28-311(15)07352437/mm3010/mm1510/mm19010/()2215/()90/()50104,HFT5HFT3,(34);,HFT(3/374/37),11[J]1,1981(2):19-3412,,1[J]1,1997,8(1):97-10113,,,1[J]1,1993,29(6):8-11141[D]1,199215,,1[J]1,2005(16):384-39116,1[J]1,1998,20(6):350-35517,1[J]1,1998,20(5):302-30718,,1[J]1,2002,23(3):226-2301:(1966),,,,E-mail:zhangjin6602@1631com:2006-04-18(70)81OpenGL[M]1:,200219C.2J.Chiou,Y.2S.Lee.Sweptsurfacedeterminationforfive2axisnumericalcontrolmachining[J].Interna2tionalJournalofMachineTools&Manufacture,2002,42:1497-15071:,:0571-87951907,13588217208,E-mail:[e-mail]:2006-03-22514: