数控铣床传动系统设计

学学专班学姓 2 第一章立式数控铣床工作台(X轴)设计算ZmzvZnp0.85.533mEF=10=10=29932033mEzVz11cvzNczvze0fF/FF/FczF/Fvzcv fggF=(W+f+F+F)gcvF000gF=(W+f)=0.01(8600+75)N=86.75N00gFamax1FF=F=86.75Namin00inmaxmaxF=F+20%F，23F=F+5%F/(mmin)v=0.61352.39v=0.830F=F+20%FaminamaxF=F+5%F43F=FF=Fiv0.6n=1=r/min=60r/min1L1010300v1n=3=r/min=100r/min0v15n=4=r/min=1500r/min0nmqqqm10011002...100nn=1n+m10011002...100n10305010qnqnqF=F31qnqnqF=F31mmmFF++F++F+F322n1nF=mmmmmmm60106010323010033+153.16+86.7533230100230100230100waFfC=3C=3mwmh100mhcac3=6023020000N=7808.88N3fwfw表fa1fa7fcfc1eC=fF=4.51328.18N=5976.81NfefC=7808.88Ndx=5m。d。(25~30)L。0取0FL86.751084d0.0390=0.039=5.35mm2m650am2m000a020aamd=27.3mm>d=5.35mm22maam22mpF=F=1328.18N=442.73NP3amax3(1)计ttuu6ttuu=(560+100+220+146)mm=846mm故tuFFt22t2。BmaxtamaxBmax11F=F+F=(2712.86+1328.18)N=3376.95NBmaxt2amax211F=F=3376.95N=1125.65NBP3Bmax3Pm00hmrra1F=Fcos60=1531.59N=765.80NrBam23F=Fsin60=1531.59N=1326.40NaBam2F1326.40rra3N31003h100------------FFrFFr------XYXYd为2Pnnc2g13.143.14A=d2=27.32mm2=585.05mm2424n=K2EI得n=K21500rminF-OF-S入K224sminsminLaF=F=F=1328.18N,amaxwLL=h60nawL=(C)10=(25700)10r=4.1910rawL=L=4.19109h=46255hh60n601500hK。sK。K。K102Yd27.3d27.3JK=6.6102d2L2计算：smax4L(LL)JJsmax4L(LL)JJbQBmax3K=42.34dZ2Fsin53bQBmaxaamaxc0.1CadG3.14(27.3dG3.14(27.310)8.11010K=K(cCK=K(ca(3)计KK1111=++KKKKmaxbc=++=++=0.0054KKKK671.981351.1309.76naxsmaxbC故K=183.28N/m。KKKKminsminbc1111111minsminbCK=164.69N/min22032LK=42=3446N.m/rad2J。rr32jjjjjj=10J=0.78103D4L0Lm=860kgJ=m(L)2得L2几J=m(L)=860(1)2kg.cm2=21.81kg.cm2Ldr0Lddr0LcFLFLT=FLa=1328.180.01N.m=2.35N.mTT=FL0=86.750.01N.m=0.15N.mfP00T=FLp0(1n2)得TFLPnNm=0.091N.mTmaxdzZak20sT=2几nmax(J+J)(1eksta)得al60980tmdaT=max(J+J)(1一e一ksta)=(62+55.87)(1一e一20al60980tmd609800.15aak20sT=2几nmax(J+J)得ap980tmdaT=max(J+J)ap60980tmda(62+55.87)kgf(62+55.87)kgf.cm609800.05qapfqqapfqKJfKJGJcfGJdmJmJ62m0mind3ss0minminm3.22121.97.8103kg7.64kg11mmm(8607.64)kg862.55kgd3s3K164.69106K0rad/s436.96rad/s02.55d1.6.2ntsr0s4875.59rad/s1215.5rad/snt0.0033436.96rad/snF86.75NK164.69N/F86.75N2211