2、T<①W-7T;37T63“、1207_5v(O)一、7163臼(①)=0,756^~①2)推桿位移,速度,加速度線圖如下:A.推桿位移線圖凸輪位移B.推桿速度線圖凸輪速度C.推桿加速度線圖凸輪速度3?凸輪機(jī)構(gòu)的卷?s線圖,并依次確定凸輪的基圓半徑和偏距.1)凸輪機(jī)構(gòu)的釜s線圖:⑵確定凸輪的基圓半徑和偏距:由圖知:可取so=4OOmm,e=l(X)mm即:基圓半徑%=412.31mm偏距e=10()mm4.滾子半徑的確定及凸輪理論輪廓和實(shí)際輪廓的繪制.可取滾子半徑r=60mm,則凸輪理論輪廓和實(shí)際輪廓如下:(1)程序如下fai01=2*pi/3;fai02=
3、pi/2;faisl=pi/2;fais2=5*pi/9;h=60;fail=0:0.001*pi:2*pi/3;fai2=2*pi/3:0.001*pi:7*pi/6;fai3=7*pi/6:0.001*pi:5*pi/3;fai4=5*pi/3:0.001*pi:2*pi;sl=h/2*(l?cos(pi*fa訂/faiO1));s2=h+fai2*0;s3=h*(l-(fai3-(faiO1+faisl))/fai02);s4=fai4*0;plot(fai1,s1,fai2,s2,fai3,s3,fai4,s4)v1=pi*h/(2*fai01)*s
4、in(pi*fa訂/faiOl);v2=0*fai2;v3=-h/faiO2;v4=0*fai4;plot(fail,v1,fai2,v2,fai3,v3,fai4,v4)al=2*pi*h/fai01.A2*cos(pi*faiI/faiOl);a2=0*fai2;a3llra4H0^ai4八pct(failk9fai29a29fapa39fai4p4);WF45^in(3^ai=2);W2HPW3yl2o、pi;W4H0八x1A400+S1)*cos(faiv1oo*sin(fai1)八y1A400+s1)*ss-(fail)+一oo*cos(fail)
5、;X2A400+S2)*cos(fai2)—Ioo*sin(fai2);y2A400+s2)*sin(fai2)+100*cos(fai2)八X3A400+S3)?*cos(fai3)—100*sin(fai3)一y3A400+s3)*sin(fai3)+l00*cos(fai3);x4==(400+s4)*cos(fai4T100*sin(fai4);y4==(400+s4)*sin(fai4)+100?*cos(fai4)八p_or(x1?yLX2?y2?x3?y39x4?y4rX1HX1?60*y11Jsqrt(x1L>2+y1L>2)pcgpy二);
6、y11A400+S1)*cos(fai1)—1oo*sin(fai1)+w1?*sin(fai1)八x11h—(4(o+s1)*sin(fai1)—1oo*cos(fail)+wl*cos(fai1);Xluxr60*y11Jsqrt(x11?>2+y11?>2)Yfy1+60*x11?、sqrt(x二?>2+y11?>2);x21H—(4(o+s27、x21?>2+y21?>2);Y2==y2+60*x21?、sqrt(x21?>2+y21?>2)一y31A400+S3)*cos(fai3v1Oo*sin(fai3)+W3*sin(f2:3xx31p(400+s3).”Ksin(fai3)—1Oo*cos(fai3)+W3*cos(fai3)八x3HX3—60ky31Jsqrt(x3一>2+y3L>2);Y3Hy3+6p沃x31Jsqrt(x3l>2+y31.>2*y41A400+S4)*cos(fai4)—1Oo*sin(fai4)+W4*sin(fai4);X41u(400+S4)*sin(fai4)
8、'oo*cos(fai4)+W4*cos(fai4)