双转台五轴数控机床后置处理算法研究

CNCTechnology#9#何永红齐乐华赵宝林(西北工业大学机电学院,西安710072;西安飞行自动控制研究所,西安710065):CAM,,,,UCP600,:CAD/CAMStudyonthePostProcessingAlgorithmforFive-axisCNCMachinewithDualRotaryTablesHEYonghong,QILehua,ZHAOBaolin(NorthwesternPolytechnicalUniversity,Xi.an710072,CHN;FlightAutomaticControlReseachInstitute,Xi.an710065,CHN)Abstract:Afteranalyzingtheralationshipbetweenthetwocoordinatesystemsoffive-axisCNCmachinewithdualrotarytablesandofCAM,constructingtheirmathematicalmodelandcalculatingthemachinekinema-tics,thispaperprovidestheformulaaboutcalculatingtherotaryangleandcoordinatetransformationforthepostprocessingofthiskindofmachineanddevelopsthepostprocessingprogramfortheUCP600five-axisCNCmachinewithdualrotarytables.Theexperimentresulthasmettherequirementstofive-axispostprocessing.Keywords:CAD/CAM;PostProcessing;CoordinateTransformation;NCProgrammingCAD/CAM,,,CAD/CAM,CAD/CAM;,,CAD/CAMCAD,CAM,,,CAM,,UCP600,,1CAD/CAM,,,,CAD/CAM,,,3(XYZ),,,,CNCTechnology#10#,2,3XYZ,(1)3XYZ2AC,AC2,CAMOmXYZ,OrXYZ,CZ,AX,OrXYZACCAMOmXYZOrXYZZ,,OmOr=d,OrXYZXA(0[A[120b),OrXYZZC(0[C360b)OcCAMOmXYZ(xc,yc,zc)(,)a,CAMOmXYZ(ax,ay,az),OcOcXYZ,CAMOmXYZ,(OrXYZ)XYZAC2.1AC(),aZcC(-Yc)(+Zc),XcAZc,2(,0[A[90b-arctan(ax2+ay2az),,,CC,AAAC(1)(2)A=arctan(ax2+ay2az)(az0)A=90b(az=0)A=90b-arctan(ax2+ay2az)(az0,A[120b)(1)C=90b+arctan(ayax)(ax0,ay\0ax0,ay[0)C=270b+arctan(ayax)(ax0,ay\0ax0,ay[0)C=0(ax=0,ay[0)C=180b(ax=0,ay0)(2)2.2XYZOc(xc,yc,zc)()OrXYZ,XYZ(1)CAMOmXYZOrXYZ,CNCTechnology#11#T1=10000100001000d1(3)(2)ZC,T2=cosC-sinC00sinCcosC0000100001(4)(3)XA,T3=10000cosA-sinA00sinAcosA00001(5)[XYZ1]=[xcyczc1]T1T2T3(6)(6)X=xccosC+ycsinCY=-xcsinCcosA+yccosCcosA+zcsinA+dsinAZ=xcsinCsinA-yccosCsinA+zccosA+dcosA(7),CAM,,CAM,,CAMOmXYZOrXYZ,OmOr=d=0,(7)(8),X=xccosC+ycsinCY=-xcsinCcosA+yccosCcosA+zcsinAZ=xcsinCsinA-yccosCsinA+zccosA(8)3CAMUCP6003.1CAMCAMCAM(),CAM3,CAM,,(45),,CAM,,AC,,CAMC(1)3.2UCP600UCP600,Heidenhain430,,(1)(2)(8);3,,,4,UCP600,UCP6001,..:,2002.2,,.UGCAM.:,2003.3...2001(3)4,.CAM..2003(4)CNCTechnology#12#*石勇王常虹刘文涛(哈尔滨工业大学,黑龙江哈尔滨150001):Kollmorgen,,,,:ResearchonCNCSystemofParallelKinematicMachiningCenterSHIYong,WANGChanghong,LIUWentao(HarbinInstituteofTechnology,Harbin150001,CHN)Abstract:DesignanddevelopmentofaPCbasedNCsystemforParallelKinematicMachine(PKM)wasanalyzed.IntheNCsystem,thekernelofmotioncontrolisKollmorgenMC.Thesystemincludesmanysoftwaremodules,anditcanlocateandmachinepartswithcomplicatedsurfaces.TheNCsystemisappliedtoPKMmadebyHarbin.Toolmagazineandtechnologymanagefunctionweredesignedinthesystem,itassurestheautomationofmachininginPKM.Keywords:ParallelKinematicMachine;NCSystem;ToolMagazine,2002BXK-6127,,,,,,,,,112,PCPLC,,31.1PCPC,,,5,,..CAD/CAM.2005(1)作者:何永红,男,1971年生,硕士研究生,西安飞行自动控制研究所,高级工程师主要研究方向为CAD/CAM技术数控加工技术发表论文2篇(编辑徐洁兰)(:2005-09-06):6103,*863(2004AA424150)