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1、 tl(20)1(1)(2)(3)(4)(5)233050HBS?3050HES45lOnun?510mm,(21)5 d2=2/COS 02,/COS 03 tan 03 2 _ 33 cos 02 tan 02 3 d2 Z2inni cos 3 sin 03=sill 0?=17 sm 15=0.1438 2 3x51 03=8.27=8167 561)2)0(1)32234(2)232 32 20230323(22)74BC4240 HBS,260 HBS,C220 HBS,B1)3ACKFN=KHN=1 2)34CKFN=KHN=1)AB BACSF=1.5,SH=1 10-21(d
2、)=610MR?10-20(c)450MPa 0=0.7OE=0.7x450=3%=56 血=p610MPaSH 1 oy=KFWFE210 MPaS F 1.5 2)BACBACSF=1.5,SH=l610(yFhm=aFE=450MPa8%=1x610 1-=610MPa%=1x450 1.5=300MP T tl(23)0.79130 kW,=11640 T/min,23,0=73,Lh=100 h,1.251)10-120CrMnTi62HRC,8HRC,300HBSo62)p 130 7=9.55 x 1()6-L=9.55 x 10&x-=106658 N.nmi 11640 (=
3、1.6 10-700.5 0=14 Zvi=25.2,zV2=19.9 cos3 p cos314 cos3 fl cos314 10-5 YF(ll=2.62,Ys(d=1.59,YFa2=2.22,YSal=Jl 10-26 0.78,2=88,a=%+62=0.78+0.88=1.66 =6O/71J/,=60 x11640 x 1x100=7.0X107 A2=60/?2JLA=60 x11640 x 23/73 x lx 100=2.2xlO7 tl(24)SF=1.5 10-20(d)bFNi=930 MPa 0 =o2 =0.7 X KFNFNI=0.7 X=434 MPa 22
4、2,%1=02,1込=2x1509 x 2 2-62x1.59 crF V 0.5x23 x 1.66 434 10-8=1.16 KAFt/bl00 N/nmi,10-3 K Fa=K b=0/d=0.5x47.4=23.7 nun b/h=5.32.25 2.25 x 2 10-4K H0=1.15,10-13K”=1.12 K K.AKKFaKF0=1.25X1.16X1.1X1.12=1.79 mn=mnt KI =1.84 x 1.79/1.6=1.91/w?mn=2 mm10-18KFN=KFN2 1 Zlmn _ 23x2 cos0 cos 14=47.4 nun 7UJ 60
5、x1000 _ 3.141x47.4x116470 60 x1000=2&9 ni/s fnn=2mm(25)Liu Z1+Z2 23+73 2 CCC4 a=-=-x-=98.94 nun 2 cos p 2 cos 14 a=99 imn 23x2 dx=-=47.437 cos0 cosl4878n 73x2_ 150.562-COS0 COS148,28M b=%d=0.5x47.437=23.7 min b2=24n,b2Smm 3)K=KAKvKFaKFp=1.25 x 1.16 x 1.lx 1.15=1.83 10-21(e)SH=1.0 106Z=189.8VMPa 10-30ZH=2.43 p-arccos(Z1+Z2 2ci(23+73)x2=aiccos-2x99 1482&10-192KHN1=1KHN2 18%=KHNOHUHA SH 1.0 x1500 L0=1500 MPa 2%2 SH 1.08x1500 L0=1620 MPa I 2x1.83x106658 V4 x 47.4373 x 1.66 3.17+1 3.17=1140MPav%=189.8x2.43x