数控磨削回转面刀具时机床联动轴数的确定

:20043112212:,;CNC,:CNC,,,DeterminationofNumberofMotionAxesinNCGrindingofRotaryCutterYaoBinZengJinghuaLiJiangangetalAbstract:Accordingtotheformingprincipleofrotaryhelicalflutesurface,itisexplainedthattheshapingprocessofrotarycuttersbyNCgrindingisvirtuallytheprocesstocontroltherelativepositionandattitudeandtherelativemotiondirectioninthespacebetweenthegrindingwheelbodyandworkpiecebodyattheeverymoment.ThemotionmodalitiesofCNCtoolgrinderswithmovinggrindingwheelandswinggrindingwheelwereanalyzed.Theprincipleofdeterminingthenumberofmotionaxeswasdis2cussed,andacalculatingexamplewaspresented.Keywords:CNCtoolgrinder,rotarycutter,helicalflutesurface,numberofmotionaxes1,(UgPro/ECimarton),CAD/CAM,,NC():,,;,,;2CNC,(positionandattitude)[1]1OgOw,Ow(,),u;Og,v,w(),fi(u,v,w),i=1,2,:r1=W(u)r2=G(v,w)fi(u,v,w)=0(1),fi(u,v,w)=0G(v,w)W(u),u,v,w(),,1043CNC,,,:(1)CNC32(2),,2CNC(2)CNC32(3),,3CNC4,,,;,CNC,,,,CNC,,(1),44(),(),,[2][3]:r(t)={L+x(t),r(t)sin,r(t)cos},:(1)=0,,,(1A,C)r(t),(X);r(t)(),,XZ,(),,X(2),(),(),,1AX,,,(),,,(),,,1d1d2d3C1420043810(3),(1Y),AX,(1C),,(4)(),(3),1Z,,(5),Y,(4),1Y,,,,,,3,A90-,(),BY2,C,XXYYY/X=tan,,A,XYA,XC,,C,XA,,52:d=12mm,=15,1014mm,24,=5,D=75mm,=60151XYZAC771128926194864114559111305013570771566227111174114559111002013570781003427127484114559110699013570951493033179844114559-011432013570951930333196154114559-01173501357051,XYZAC,YC,,6,;CNCCNC,;;,,1..:,20002,..,1996(5)3,,..,2002(11)4,,..,1996(2):,,,,36100524