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1、机械原理课程设计说明书题目：牛头刨床机构方案分析 1. 机构简图和已知条件如上图所示为两种牛头刨床主机构的运动简图，已知，l1=0.1m，l0=0.4m，l3=0.75m，l4=0.15m，ly=0.738m，l3=0.375m，a=0.05m，b=0.15，c=0.4m，d=0.1m。只计构件3、5的质量，其余略去不计，m3=30kg，JS3=0.7kgm2，m5=95kg。工艺阻力Q如图所示，Q=9000N。主轴1的转速为60r/min(顺时针方向)，许用运转不均匀系数=0.03。2. 滑枕初始位置及行程 H 的确定方法（1）主动件1绕1点转动，且长度小于1、2点间距离。所以，当构件1转至
2、下图所示位置时，滑枕出在其初始位置。（2）运行过“运动分析”程序后，根据其数据，即速度为0的初始位点对应的位置。该数就是左极限到原点的距离，乘以二就可得到形成H。3. 杆组的拆分方法RPRRPP10 运动副反力作用点4. 所调用的杆组子程序中虚参与实参对照表运动状态分析1) 对主动件1进行运动分析，可求出3点的运动状态。调用bark函数bark形式参数n1n2n3kr1r2gamtwepvpap实参13010.10.00.0twepvpap2) 现已知2、3点的运动状态可调用rprk函数可知构件3运动参数，主动件1逆时针转动，m值取1.rprk形式参数mn1n2k1k2r1r2vr2ar2tw
3、epvpap实参123320.0&r2&vr2&ar2twepvpap3) 已求出构件3的运动状态，并2点的运动参数，调用bark函数求4点的运动参数。bark形式参数n1n2n3kr1r2gamtwepvpap实参24030.750.00.0twepvpap4) 调用rprk函数，求构件5的运动参数。构件4、5的导路方向垂直，所以gam2=pi/2。rppk形式参数n1n2n3n4k1k2k3r1gam1gam2r2vr2ar2实参46454560.00.0pi/2&r2&vr2&ar2r3ar3vr3twepvpap&r3&ar3&vr3twepvpap动态静力分析在运动分析的基础上，进行
4、动态静力学分析。简易求法求解平衡力矩时，需求出构件5质心9的运动状态、构件3的质心8运动状态和工艺阻力作用点7的运动状态1) 调用bark求7点的运动参数。bark形式参数n1n2n3kr1r2gamtwepvpap实参50750.0r57gam1twepvpap2) 调用bark求9点运动参数。bark形式参数n1n2n3kr1r2gamtwepvpap实参50950.0r59gam2twepvpap3) 调用bark求8点运动参数。bark形式参数n1n2n3kr1r2gamtwepvpap实参20830.0r280.0twepvpap4) 从外力已知杆组开始，即工艺阻力Q作用的构件5，调
5、用rppf函数求4点的运动副反力。rppf5) 调用rprf函数，求3、2点的运动副反力。rprf形式参数n1n2ns1ns2nn1nn2nexfk1k2实参238340032pvpaptwefrfkfppvpaptwefrfkfp6) 调用barf函数，求固定铰支座1点的运动副反力。barf形式参数n1n2nn1k1pvpapfrtb实参1131pvpapfr&tb5. 自编程序中主要标识符说明#include extf.c（工艺阻力子程序）#include subf.c（杆组动态静力分析程序包）#include subk.c（杆组运动分析子程序包）#include draw.c（出图程序）
6、运动状态分析#includesubk.c#includedraw.cmain() static double p202,vp202,ap202,del; static double t10,w10,e10,pdraw370,vpdraw370,apdraw370; static int ic; double r13,r24; double pi,dr; double r2,vr2,ar2,r3,vr3,ar3; int i; FILE *fp; char *m=p,vp,ap; r13=0.1; r24=0.75; t6=0.0; w6=0.0; e6=0.0; e1=0.0; del=10.
7、0; p11=0.0; p12=0.0; p21=0.0; p22=-0.4; p61=0.0; p62=0.338;pi=4.0*atan(1.0); w1=-2*pi;dr=pi/180.0; printf(n The Kinematic Parameters of Point 5n); printf(NO THETA 1 S5 V5 A5n); printf( deg m m/s m/s/sn); if(fp=fopen(filel,w)=NULL) printf(cant open this file.n); exit(0); fprintf(fp,n the kinematic pa
8、rameters of point 5n); fprintf(fp,no theta 1 s5 v5 a5n); fprintf(fp, deg m m/s m/s/s); ic=(int)(360.0/del); for(i=0;i=ic;i+) t1=-(i)*del*dr+asin(0.25)+pi; bark(1,3,0,1,r13,0.0,0.0,t,w,e,p,vp,ap); rprk(1,2,3,3,2,0.0,&r2,&vr2,&ar2,t,w,e,p,vp,ap); bark(2,4,0,3,r24,0.0,0.0,t,w,e,p,vp,ap); rppk(4,6,4,5,4
9、,5,6,0.0,0.0,90.0,&r2,&vr2,&ar2,&r3,&vr3,&ar3,t,w,e,p,vp,ap); fprintf(fp,n%2d%12.3f%12.3f%12.3f%12.3f,i+1,t1/dr, p51,vp51,ap51); printf(n%2d%12.3f%12.3f%12.3f%12.3f,i+1,t1/dr,p51,vp51,ap51); pdrawi=p51; vpdrawi=vp51; apdrawi=ap51; if(i%16)=0)getch(); fclose(fp); getch(); draw1(del,pdraw,vpdraw,apdra
10、w,ic,m);动态静力分析#includesubk.c#includesubf.c#includedraw.cmain() static double p202,vp202,ap202,del; static double t10,w10,e10, tbdraw370,tb1draw370; static double sita1370,fr1draw370,sita2370,fr2draw370, sita3370,fr3draw370; static double fr202,fe202,fk202,pk202,tb,tb1,fr1,bt1,fr2,bt2, we1,we2,we3,we
11、4,we5; static int ic; double r13,r24,r28,r57,r59,gam1,gam2; double pi,dr; double r2,vr2,ar2,r3,vr3,ar3; int i; FILE *fp; char *m=tb,tb1,fr1,fr2; sm3=30.0;sm5=95.0; sj3=0.7; r13=0.1; r24=0.75; r28=0.375; t6=0.0; w6=0.0; e6=0.0; e1=0.0; del=10.0; p11=0.0; p12=0.0; p21=0.0; p22=-0.4; p61=0.0; p62=0.338
12、; r57=0.41; r59=0.158; gam1=atan(0.05/0.15); gam2=-atan(0.1/0.4); pi=4.0*atan(1.0); w1=-2*pi; dr=pi/180.0; printf(n the kineto-static analysis of a six-bar linkasen); printf(no hetal fr1 sital fr2 sita2 tb tb1n); printf( deg n radian n radian n.m n.m ); if(fp=fopen(filel,w)=NULL) printf(cant open th
13、is file.n); exit(0); fprintf(fp,n the kineto-static analysis of a six-bar linkasen); fprintf(fp,no theta1 fr1 sita1 fr2 sita2 tb tb1n); fprintf(fp, deg n radian n radian n.m n.m); ic=(int)(360.0/del); for(i=0;i0) if(-0.193+h)p51)&(p510.193-h) fenexf1=-9000.0; else fenexf1=0.0; else fenexf1=0.0;6. 自编
14、程序及计算结果清单运动状态分析 the kinematic parameters of point 5no theta 1 s5 v5 a5 deg m m/s m/s/s 1 194.478 -0.193 0.000 8.360 2 184.478 -0.190 0.216 7.204 3 174.478 -0.182 0.400 6.059 4 164.478 -0.168 0.553 4.980 5 154.478 -0.151 0.678 3.988 6 144.478 -0.131 0.776 3.086 7 134.478 -0.108 0.850 2.268 8 124.478
15、-0.084 0.903 1.525 9 114.478 -0.058 0.935 0.84810 104.478 -0.032 0.950 0.22611 94.478 -0.006 0.948 -0.34912 84.478 0.020 0.931 -0.88513 74.478 0.046 0.899 -1.39014 64.478 0.070 0.854 -1.87215 54.478 0.093 0.796 -2.34116 44.478 0.114 0.724 -2.80717 34.478 0.133 0.640 -3.28518 24.478 0.150 0.541 -3.79
16、219 14.478 0.163 0.428 -4.34920 4.478 0.173 0.299 -4.97921 -5.522 0.180 0.151 -5.70522 -15.522 0.182 -0.019 -6.53623 -25.522 0.178 -0.213 -7.45124 -35.522 0.169 -0.433 -8.36425 -45.522 0.154 -0.676 -9.08526 -55.522 0.132 -0.933 -9.29327 -65.522 0.102 -1.184 -8.58028 -75.522 0.066 -1.398 -6.61529 -85
17、.522 0.025 -1.539 -3.39130 -95.522 -0.018 -1.579 0.61531 -105.522 -0.061 -1.506 4.57832 -115.522 -0.101 -1.332 7.72233 -125.522 -0.135 -1.088 9.64434 -135.522 -0.161 -0.808 10.37035 -145.522 -0.179 -0.520 10.18036 -155.522 -0.190 -0.247 9.41637 -165.522 -0.193 0.000 8.360动态静力分析 the kineto-static ana
18、lysis of a six-bar linkaseno theta1 fr1 sita1 fr2 sita2 tb tb1 deg n radian n radian n.m n.m 1 194.478 1519.212 14.478 659.183 -175.054 -0.000 -0.000 2 184.478 1268.754 14.262 524.129 179.413 -21.562 -21.562 3 174.478 1049.654 13.658 421.563 171.314 -34.485 -34.485 4 164.478 15911.319 12.723 6809.44
19、4 -151.974 -752.996 -752.996 5 154.478 15327.971 11.512 6238.929 -153.734 -923.192 -923.192 6 144.478 14845.234 10.074 5750.795 -156.374 -1060.594 -1060.594 7 134.478 14449.842 8.455 5342.350 -159.882 -1168.678 -1168.678 8 124.478 14130.417 6.692 5013.291 -164.213 -1250.121 -1250.121 9 114.478 13877
20、.714 4.823 4765.036 -169.270 -1306.920 -1306.92010 104.478 13684.554 2.881 4599.553 -174.885 -1340.520 -1340.52011 94.478 13545.637 0.895 4517.969 179.175 -1351.917 -1351.91712 84.478 13457.325 -1.104 4519.387 173.190 -1341.732 -1341.73213 74.478 13417.449 -3.086 4600.341 167.443 -1310.262 -1310.262
21、14 64.478 13425.136 -5.023 4755.099 162.178 -1257.497 -1257.49715 54.478 13480.659 -6.882 4976.619 157.574 -1183.124 -1183.12416 44.478 13585.300 -8.631 5257.689 153.740 -1086.520 -1086.52017 34.478 13741.205 -10.234 5591.876 150.730 -966.742 -966.74218 24.478 13951.216 -11.650 5974.088 148.563 -822
22、.536 -822.53619 14.478 14218.709 -12.834 6400.747 147.238 -652.399 -652.39920 4.478 1071.043 166.263 430.770 7.721 33.479 33.47921 -5.522 1293.517 165.696 536.736 -0.110 19.748 19.74822 -15.522 1546.948 165.525 675.075 -5.382 -2.828 -2.82823 -25.522 1820.504 165.811 840.689 -8.281 -35.776 -35.77624
23、-35.522 2083.367 166.610 1016.628 -9.067 -78.491 -78.49125 -45.522 2273.380 167.966 1166.050 -7.930 -125.437 -125.43726 -55.522 2292.468 169.893 1227.626 -4.901 -163.273 -163.27327 -65.522 2026.281 172.362 1126.804 0.409 -171.622 -171.62228 -75.522 1402.867 175.286 816.346 10.070 -132.490 -132.49029
24、 -85.522 470.357 178.511 360.110 40.542 -46.781 -46.78130 -95.522 577.511 1.835 406.098 145.759 57.276 57.27631 -105.522 1484.572 5.037 858.293 171.324 139.002 139.00232 -115.522 2070.306 7.919 1146.850 -179.715 172.757 172.75733 -125.522 2301.930 10.335 1227.534 -174.689 160.317 160.31734 -135.522 2259.572 12.203 1153.302 -171.864 120.656 120.65635 -145.522 2057.935 13.499 998.650 -170.923 73.678 73.67836 -155.522 1791.669 14.242 822.474 -171.919 31.836 31.83637 -165.522 1519.212 14.478 659.183 -175.054 -0.000 -0.0007.各种线图运动状态分析滑枕的位移、速度和加速度线图动态静力分析平衡力矩线图固定铰链处反力矢端图9.主要收获与建议
