機械原理創(chuàng)新設(shè)計 自動打印機 一 、 總功能及設(shè)計參數(shù) 自動打印機的功能是將輸入的產(chǎn)品包裝盒打印上某種標(biāo)記，然后輸出。 自動打印機的設(shè)計參數(shù) 生產(chǎn)率 盒長 盒寬 盒高 盒重 60個 /min 120 mm 55 mm 25 mm 0) *r2=ep+fp; else *r2=ep-fp; cb=cos(tk3); sb=sin(tk3); pn31=pn21+(*r2)*cb; pn32=pn22+(*r2)*sb; dx31=pn31-pn11; dy31=pn32-pn12; dx32=pn31-pn21; dy32=pn32-pn22; tk1=atan2(dy31,dx31); ct=cos(tk1); st=sin(tk1); q=dy31*sb+dx31*cb; ev=vpn21-vpn11-(*r2)*wk3*sb; fv=vpn22-vpn12+(*r2)*wk3*cb; wk1=(-ev*sb+fv*cb)/q; *vr2=-(ev*dx31+fv*dy31)/q; vpn31=vpn11-r1*wk1*st; vpn32=vpn12+r1*wk1*ct; ea=apn21-apn11+wk1*wk1*dx31-wk3*wk3*(*r2)*cb; ea=ea-2.0*wk3*(*vr2)*sb-ek3*dy32; fa=apn22-apn12+wk1*wk1*dy31-wk3*wk3*(*r2)*sb; fa=fa+2.0*wk3*(*vr2)*cb-ek3*dx32; ek1=(-ea*sb+fa*cb)/q; *ar2=-(ea*dx31+fa*dy31)/q; apn31=apn11-r1*wk1*wk1*ct-r1*ek1*st; apn32=apn12-r1*wk1*wk1*st+r1*ek1*ct; wk2=wk3; ek2=ek3; /*rprk*/ void rprk(m,n1,n2,k1,k2,r1,r2,vr2,ar2,t,w,e,p,vp,ap) int m,n1,n2,k1,k2; double r1,*r2,*vr2,*ar2; double p202,vp202,ap202; double t10,w10,e10; double dx21,dy21,test,phi,alpha,ct,st,q,vx21,vy21,ea,fa; dx21=pn21-pn11; dy21=pn22-pn12; test=dx21*dx21+dy21*dy21-r1*r1; if(test0) tk1=phi+alpha; else tk1=phi-alpha; tk2=tk1; ct=cos(tk1); st=sin(tk1); q=dx21*ct+dy21*st; vx21=vpn21-vpn11; vy21=vpn22-vpn12; wk1=(vy21*ct-vx21*st)/q; wk2=wk1; *vr2=(vy21*dy21+vx21*dx21)/q; ea=apn21-apn11+wk1*wk1*dx21+2.0*wk1*(*vr2)*st; fa=apn22-apn12+wk1*wk1*dy21-2.0*wk1*(*vr2)*ct; ek1=-(ea*st-fa*ct)/q; ek2=ek1; *ar2=(ea*dx21+fa*dy21)/q; static double p203,vp203,ap203,del,t10,w10,e10; static int ic; double r12,r23,r45,r56,r67,l1,l2; double pi,dr; double r2,vr2,ar2; int i,m; main() FILE *fp; pi=3.1415926; dr=pi/(180.0); r12=20; r23=40; r45=135; r56=90; r67=90; l1=300; l2=128; p11=0.0; p12=0.0; p51=-135.0; p52=334.64; p81=-265.0; p82=334.64; t1=0.0; w1=2*pi; e1=0.0; t9=90.0*dr; w9=0.0; e9=0.0; t8=-90.0*dr; w8=0.0; e8=0.0; del=10.0; printf(NO THETAI S7 V7 A7n); printf( deg mm mm/s mm/s/sn); if(fp=fopen(zuoye,w)=NULL) printf(cant findn); exit(0); fprintf(fp,NO THETAI S7 V7 A7n); fprintf(fp, deg mm mm/s mm/s/sn); ic=(int)360.0/del; for(i=0;i=ic;i+) t1=i*del*dr; bark(1,2,0,1,r12,0.0,0.0,t,w,e,p,vp,ap); /*調(diào)用單級桿件運動分析子程序 */ rrpk(1,2,1,3,2,3,9,r23,&r2,&vr2,&ar2,t,w,e,p,vp,ap); /*調(diào)用 rrp 桿件運動分析子程序 */ p32+=l1; rprk(1,5,3,4,5,0.0,&r2,&vr2,&ar2,t,w,e,p,vp,ap); /*調(diào)用 rpr 桿件運動分析子程序 */ t5+=pi; bark(5,6,0,5,r56,0.0,0.0,t,w,e,p,vp,ap); rrpk(1,6,8,7,7,8,8,r67,&r2,&vr2,&ar2,t,w,e,p,vp,ap); p72-=l2; printf(n%2d %12.3f %12.3f %12.3f %12.3f,i+1,t1/dr,p72,vp72,ap72); fprintf(fp,n%2d %12.3f %12.3f %12.3f %12.3f,i+1,t1/dr,p72,vp72,ap72); fclose(fp); getch(); 得到如下數(shù)據(jù)： NO THETAI S7 V7 A7 deg mm mm/s mm/s/s 1 0.000 126.017 -83.775 -265.212 2 10.000 123.603 -89.418 -134.303 3 20.000 121.087 -90.947 27.645 4 30.000 118.594 -87.804 198.017 5 40.000 116.252 -80.078 354.381 6 50.000 114.182 -68.389 481.583 7 60.000 112.481 -53.647 574.046 8 70.000 111.221 -36.802 633.740 9 80.000 110.448 -18.692 666.134 10 90.000 110.188 0.000 676.270 11 100.000 110.448 18.692 666.134 12 110.000 111.221 36.802 633.740 13 120.000 112.481 53.647 574.046 14 130.000 114.182 68.389 481.583 15 140.000 116.252 80.078 354.381 16 150.000 118.594 87.804 198.017 17 160.000 121.087 90.947 27.645 18 170.000 123.603 89.418 -134.303 19 180.000 126.017 83.775 -265.212 20 190.000 128.229 75.107 -350.903 21 200.000 130.173 64.714 -390.247 22 210.000 131.819 53.767 -392.974 23 220.000 133.163 43.088 -373.340 24 230.000 134.220 33.110 -344.448 25 240.000 135.010 23.950 -315.640 26 250.000 135.557 15.521 -292.468 27 260.000 135.877 7.623 -277.766 28 270.000 135.983 0.000 -272.757 29 280.000 135.877 -7.623 -277.766 30 290.000 135.557 -15.521 -292.468 31 300.000 135.010 -23.950 -315.640 32 310.000 134.220 -33.110 -344.448 33 320.000 133.163 -43.088 -373.340 34 330.000 131.819 -53.767 -392.974 35 340.000 130.173