02-哈工大机械原理大作业任务书-凸轮机构参考模板.docx

凸轮机构设计1设计题目(1) 凸轮机构运动简图：(2)凸轮机构的原始参数序号升程升程运动角升程运动规律升程许用压力角回程运动角回程运动规律回程许用压力角远休止角近休止角25130mm90等加等减速4080等速70601302凸轮推杆升程，回程运动方程及推杆位移,速度,加速度线图(1) 推杆升程，回程运动方程如下：A.推杆升程方程：s=104022, 0 4; s=130-104022-2, 4 2;v=2080w2, 0 4; v=2080w22-, 4 2;a=2080w22, 0 4; a=-2080w22, 4 2; B.推杆回程方程：s=130(238-94), 56 2318;v=-5852w, 56 2318;a=0, 56 2318; (2)推杆位移,速度,加速度线图如下：A.推杆位移线图(使用matlab画图，程序详见附录1) B.推杆速度线图(使用matlab画图，程序详见附录2)C.推杆加速度线图(使用matlab画图，程序详见附录3)3凸轮机构的dsd-s线图，并依次确定凸轮的基圆半径和偏距.(1) 凸轮机构的dsd-s线图：(使用matlab画图，程序详见附录4)(2)确定凸轮的基圆半径和偏距：由图知:可取s0=300mm，e=0mm即:基圆半径r0=3002+02=300mm偏距e=0mm4棍子半径的确定及凸轮理论轮廓和实际轮廓的绘制.可取棍子半径r=30mm，则凸轮理论轮廓和实际轮廓如下：(使用matlab画图，程序详见附录5)附录附录1x1=0:pi/400:pi/4;x2=pi/4:pi/400:pi/2;x3=pi/2:pi/300:5*pi/6;x4=5*pi/6:pi/225:23*pi/18;x5=23*pi/18:13*pi/1800:2*pi;s1=1040*x1.2/pi2;s2=130-1040*(pi/2-x2).2/pi2;s3=130;s4=130*(23/8-9*x4/(4*pi);s5=0;plot(x1,s1,x2,s2,x3,s3,x4,s4,x5,s5)附录2x1=0:pi/400:pi/4;x2=pi/4:pi/400:pi/2;x3=pi/2:pi/300:5*pi/6;x4=5*pi/6:pi/225:23*pi/18;x5=23*pi/18:13*pi/1800:2*pi;v1=2080*x1/pi2;v2=2080*(pi/2-x2)/pi2;v3=0;v4=-585/(2*pi);v5=0;plot(x1,v1,x2,v2,x3,v3,x4,v4,x5,v5)附录3x1=0:pi/400:pi/4;x2=pi/4:pi/400:pi/2;x3=pi/2:pi/300:5*pi/6;x4=5*pi/6:pi/225:23*pi/18;x5=23*pi/18:13*pi/1800:2*pi;a1=2080/pi2;a2=-2080/pi2;a3=0;a4=0;a5=0;plot(x1,a1,x2,a2,x3,a3,x4,a4,x5,a5)附录4x1=0:pi/400:pi/4;x2=pi/4:pi/400:pi/2;x3=pi/2:pi/300:5*pi/6;x4=5*pi/6:pi/225:23*pi/18;x5=23*pi/18:13*pi/1800:2*pi;s1=1040*x1.2/pi2;s2=130-1040*(pi/2-x2).2/pi2;s3=130;s4=130*(23/8-9*x4/(4*pi);s5=0;v1=2080*x1/pi2;v2=2080*(pi/2-x2)/pi2;v3=0;v4=-585/(2*pi);v5=0;plot(v1,s1,v2,s2,v3,s3,v4,s4,v5,s5)附录5w=1;e=0;rr=30;s0=300;for i=1:1:45qq(i)=i*pi/180.0;s1=1040*qq(i).2/pi2;v1=2080*qq(i)/pi2;x(i)=(s0+s1)*sin(qq(i)+e*cos(qq(i);y(i)=(s0+s1)*cos(qq(i)-e*sin(qq(i);a(i)=(s0+s1)*cos(qq(i)-e*sin(qq(i)+v1/w*sin(qq(i);b(i)=-(s0+s1)*sin(qq(i)-e*cos(qq(i)+v1/w*cos(qq(i);xx(i)=x(i)+rr*b(i)/sqrt(a(i)*a(i)+b(i)*b(i);yy(i)=y(i)-rr*a(i)/sqrt(a(i)*a(i)+b(i)*b(i);endfor i=45:1:90qq(i)=i*pi/180; s2=130-1040*(pi/2-qq(i).2/pi2;v2=2080*(pi/2-qq(i)/pi2;x(i)=(s0+s2)*sin(qq(i)+e*cos(qq(i);y(i)=(s0+s2)*cos(qq(i)-e*sin(qq(i);a(i)=(s0+s2)*cos(qq(i)-e*sin(qq(i)+v2/w*sin(qq(i);b(i)=-(s0+s2)*sin(qq(i)-e*cos(qq(i)+v2/w*cos(qq(i);xx(i)=x(i)+rr*b(i)/sqrt(a(i)*a(i)+b(i)*b(i);yy(i)=y(i)-rr*a(i)/sqrt(a(i)*a(i)+b(i)*b(i);endfor i=90:1:150qq(i)=i*pi/180;qq1(i)=qq(i)-150*pi/180;s3=130;v3=0;x(i)=(s0+s3)*sin(qq(i)+e*cos(qq(i);y(i)=(s0+s3)*cos(qq(i)-e*sin(qq(i);a(i)=(s0+s3)*cos(qq(i)-e*sin(qq(i)+v3/w*sin(qq(i);b(i)=-(s0+s3)*sin(qq(i)-e*cos(qq(i)+v3/w*cos(qq(i);xx(i)=x(i)+rr*b(i)/sqrt(a(i)*a(i)+b(i)*b(i);yy(i)=y(i)-rr*a(i)/sqrt(a(i)*a(i)+b(i)*b(i);endfor i=150:1:230qq(i)=i*pi/180;s4=130*(23/8-9*qq(i)/(4*pi);v4=-585/(2*pi);x(i)=(s0+s3)*sin(qq(i)+e*cos(qq(i);y(i)=(s0+s3)*cos(qq(i)-e*sin(qq(i);a(i)=(s0+s3)*cos(qq(i)-e*sin(qq(i)+v3/w*sin(qq(i);b(i)=-(s0+s3)*sin(qq(i)-e*cos(qq(i)+v3/w*cos(qq(i);xx(i)=x(i)+rr*b(i)/sqrt(a(i)*a(i)+b(i)*b(i);yy(i)=y(i)-rr*a(i)/sqrt(a(i)*a(i)+b(i)*b(i);endfor i=230:1:360qq(i)=i*pi/180;x(i)=(s0+0)*sin(qq(i)+e*cos(qq(i);y(i)=(s0+0)*cos(qq(i)-e*sin(qq(i);a(i)=(s0+0)*cos(qq(i)-e*sin(qq(i)+v3/w*sin(qq(i);b(i)=-(s0+0)*sin(qq(i)-e*cos(qq(i)+v3/w*cos(qq(i);xx(i)=x(i)+rr*b(i)/sqrt(a(i)*a(i)+b(i)*b(i);yy(i)=y(i)-rr*a(i)/sqrt(a(i)*a(i)+b(i)*b