凸輪機構(gòu)大作業(yè)-西工大機械原理要點

大作業(yè)（二）凸輪機構(gòu)設(shè)計（題號：4-A）（一）題目及原始數(shù)據(jù) （二）推桿運動規(guī)律及凸輪廓線方程 （三）程序框圖 （四）計算程序 （五）程序計算結(jié)果及分析（六）凸輪機構(gòu)圖????（七）心得體會 （八）參考書 一題目及原始數(shù)據(jù)試用計算機輔助設(shè)計完成偏置直動滾子推桿盤形凸輪機構(gòu)的設(shè)計（1）推程運動規(guī)律為五次多項式運動規(guī)律，回程運動規(guī)律為余弦加速度運動規(guī)建；（2）打印出原始數(shù)據(jù)；（3）打印出理論輪廓和實際輪廓的坐標值；（4）打印出推程和回程的最大壓力角，以及出現(xiàn)最大壓力角時凸輪的相應(yīng)轉(zhuǎn)角；（5）打印出凸輪實際輪廓曲線的最小曲率半徑，以及相應(yīng)的凸輪轉(zhuǎn)角；（6）打印最后所確定的凸輪的基圓半徑。表一偏置直動滾子推桿盤形凸輪機構(gòu)的已知參數(shù)題號初選的基圓半徑R0/mm偏距E/mm滾子半徑Rr/mm推桿行程h/mm許用壓力角許用最小曲率半徑[pamin][a1][a2]4-A155102830°700.3Rr計算點數(shù)：N=90q1=60; 近休止角5 1q2=180; 推程運動角52q3=90; 遠休止角5 3二整桿運動規(guī)程律及凸I輪廓線方程推桿運動規(guī)律：（1）近休階段：0o<6<60os=0；ds/db=0;d2s/d52=0；(2)推程階段：60o<6<180o五次多項式運動規(guī)律：Q1=Q-60;s=10*h*Q1*Q1*Q1/(q2*q2*q2)-15*h*Q1*Q1*Q1*Q1/(q2*q2*q2*q2)+6*h*Q1*Q1*Q1*Q1*Q1/(q2*q2*q2*q2*q2);ds/db=30*h*Q1*Q1*QQ/(q2*q2*q2)-60*h*Q1*Q1*Q1*QQ/(q2*q2*q2*q2)+30*h*Q1*Q1*Q1*Q1*QQ/(q2*q2*q2*q2*q2);d2s/d52=60*h*Q1*QQ*QQ/(q2*q2*q2)-180*h*Q1*Q1*QQ*QQ/((q2*q2*q2*q2))+120*h*Q1*Q1*Q1*QQ*QQ/((q2*q2*q2*q2*q2));(3)遠休階段：180oWb<270os=h=24;ds/db=0;d2s/d52=0;(4)回程階段：270Wb<360Q2=Q-270;s=h*(1+cos(2*Q2/QQ))/2;ds/db=-h*sin(2*Q2/QQ);d2s/d52=-2*h*cos(2*Q2/QQ);凸輪廓線方程：(1)理論廓線方程：s0=sqrt(r02-e2)x=(s0+s)sinb+ecosby=(s0+s)cosb-esinb⑵實際廓線方程先求x，y的一、二階導數(shù)dx=(ds/db-e)*sin(b)+(s0+s)*cos(b);dy=(ds/db-e)*cos(6)-(s0+s)*sin(6);dxx=dss*sin(6)+(ds/db-e)*cos(6)+ds/db*cos(6)-(s0+s)*sin(6);dyy=dss*cos(6)-(ds/db-e)*sin(6)-ds/db*sin(6)-(s0+s)*cos(6);x1=x-rr*coso;y1=y-rr*sino;再求sin0,cos0sin0=x'/sqrt((x′)2+(y’)2)cos0=-y'/sqrt((x,)2+(y')2)最后求實際廓線方程x1=x-rr*cos0;y1=y-rr*sin0;三程序框圖include<stdio.h> #incl打黑：axh.冷x，y''Pamin，3amin，%max，31max，a2max，32max，r0， 3， s結(jié)束5voidmain(){doubler0,or,rr,h,e,q1,q2,q3,q4,a,a11,a22,Q,pi,pa,paa,QQ,A1,A2,B1,B2,C1,C2;/*定義變量*/doublexz[90],yz[90],sz[90],x1z[90],y1z[90],Q1,Q2;doubles0,s,x,y,y1,x1,dx,dxx,dy,dyy,ds,dss,sino,coso,p;intN,i,j;r0=19;e=5;h=28;rr=10;q1=60;q2=120;q3=90;q4=90;a11=30;a22=70;or=1;pi=3.141592653;pa=3; /*給已知量賦值*/N=90;A1=0;B1=0;C1=1000;for(;;){Q=0;C1=1000;QQ=180/pi;r0=r0+or;s0=sqrt(r0*r0-e*e);for(i=1,j=0;i<=N;i++,j++){if(Q<60){ /*近休階段*/s=0;ds=0;dss=0;a=atan(e/sqrt(r0*r0-e*e)); /*求壓力角*/if(a>a11/QQ){break;)else(if(a>A1)A1=a;A2=Q;))elseif(Q>=60&&Q<180){ /*五次多項式運動*/Q1=Q-60;s=10*h*Q1*Q1*Q1/(q2*q2*q2)-15*h*Q1*Q1*Q1*Q1/(q2*q2*q2*q2)+6*h*Q1*Q1*Q1*Q1*Q1/(q2*q2*q2*q2*q2);ds=30*h*Q1*Q1*QQ/(q2*q2*q2)-60*h*Q1*Q1*Q1*QQ/(q2*q2*q2*q2)+30*h*Q1*Q1*Q1*Q1*QQ/(q2*q2*q2*q2*q2);dss=60*h*Q1*QQ*QQ/(q2*q2*q2)-180*h*Q1*Q1*QQ*QQ/((q2*q2*q2*q2))+120*h*Q1*Q1*Q1*QQ*QQ/((q2*q2*q2*q2*q2));a=atan(fabs(ds-e)/(sqrt(r0*r0-e*e)+s));if(a>a11/QQ){break;)else{ /*遠休階段*/if(a>A1)A1=a;A2=Q;))elseif(Q>=180&&Q<270){s=28;ds=0;dss=0;a=atan(fabs(ds-e)/(sqrt(r0*r0-e*e)+s));if(a>a22/QQ){break;)else(if(a>B1)B1=a;B2=Q;))elseif(Q>=270&&Q<360){ /*余弦加速度運動*/Q2=Q-270;s=h*(1+cos(2*Q2/QQ))/2;ds=-h*sin(2*Q2/QQ);dss=-2*h*cos(2*Q2/QQ);a=atan(fabs(ds-e)/(sqrt(r0*r0-e*e)+s));if(a>a22/QQ){break;)else(if(a>B1)B1=a;B2=Q;))dx=(ds-e)*sin(Q/QQ)+(s0+s)*cos(Q/QQ);dy=(ds-e)*cos(Q/QQ)-(s0+s)*sin(Q/QQ);dxx=dss*sin(Q/QQ)+(ds-e)*cos(Q/QQ)+ds*cos(Q/QQ)-(s0+s)*sin(Q/QQ);dyy=dss*cos(Q/QQ)-(ds-e)*sin(Q/QQ)-ds*sin(Q/QQ)-(s0+s)*cos(Q/QQ);

sino=dx/(sqrt(dx*dx+dy*dy));coso=-dy/(sqrt(dx*dx+dy*dy));x=(s0+s)*sin(Q/QQ)+e*cos(Q/QQ);y=(s0+s)*cos(Q/QQ)-e*sin(Q/QQ);x1=x-rr*coso;y1=y-rr*sino;sz[j]=s;yz[j]=y;xz[j]=x;x1z[j]=x1;y1z[j]=y1;p=pow(dx*dx+dy*dy,1.5)/(dx*dyy-dy*dxx);半徑*/if(p<0){paa=(fabs(p)-rr);if(paa<pa){break;}else(if(paa<C1)C1=paa;C2=Q;}}Q=Q+4;}if(i==91){break;}}for(j=0;j<90;j++){printf(〃第％d組數(shù)據(jù)",j+1);/*求理論輪廓曲率/*/*求理論輪廓曲率/*輸出數(shù)據(jù)*/printf("x=%f,y=%f;",xz[j],yz[j]);printf("x1=%f,y1=%f\n”,x1z[j],y1z[j]);)printf("r0=%f\n”,r0);printf(〃推程最大壓力角(弧度)=%f,相應(yīng)凸輪轉(zhuǎn)角=%￡\/"1,八2-4);printf(〃回程最大壓力角(弧度)=%f,相應(yīng)凸輪轉(zhuǎn)角=%￡\/21^2-4);printf(〃最小曲率半徑=%f,相應(yīng)凸輪轉(zhuǎn)角=%￡\口〃工1工2-4);)2.matalab繪圖x=[5.0000006.6252418.2182059.77113011.27645112.72683514.11521515.434827 16.679242 17.842397 18.918626 19.902685 20.789781 21.57559022.256286 22.828551 23.298459 23.706615 24.097554 24.507799 24.96374525.480318 26.060379 26.694836 27.363383 28.035800 28.673715 29.23272929.664801 29.920768 29.952907 29.717406 29.176650 28.301221 27.07150725.478865 23.526246 21.228245 18.610551 15.708757 12.566564 9.2333765.7613492.201948-1.397906-5.000000-8.578422-12.115052-15.592657-18.994297-22.303399-25.503841-28.580030-31.516981-34.300384-36.916679-39.353120-41.597836-43.639892-45.469338-47.077263-48.455831-49.598328-50.499187-51.154019-51.559634-51.714055-51.616530-51.233453-50.364513-48.991675-47.144744-44.866118-42.209132-39.235944-36.015085-32.618764-29.120045-25.590019-22.095099-18.694544-15.438322-12.365412-9.502600-6.863834-4.450154-2.250205-0.2413031.6089973.3408955.000000];y=[23.47338923.06742722.54908221.92088121.18588320.34767019.41032518.37841517.25696716.05144514.76772113.41205111.99103910.5116088.9809657.4065685.8004084.1854212.5724590.957412-0.675351-2.349452-4.092999-5.935252-7.903549-10.020601-12.302228-14.755601-17.378031-20.156343-23.066822-26.075733-29.140389-32.210697-35.231149-38.143149-40.887607-43.407693-45.651627-47.57541310-49.145373-50.340385-51.153688-51.594160-51.686950-51.473389-50.999220-50.276588-49.309014-48.101211-46.659063-44.989598-43.100947-41.002313-38.703920-36.216966-33.553566-30.726696-27.750129-24.638366-21.406568-18.070478-14.646352-11.150869-7.601061-4.014222-0.4078253.2005596.79215910.32106513.71568716.90757319.83519722.44627024.69965826.56682228.03272429.09616429.76952030.07792830.05790829.75553529.22419528.52206427.70939126.84572025.98717425.18391224.47787223.90090723.473389];x1=[2.9166673.8647244.7939535.6998266.5779307.4239878.2338759.0036499.72955810.40806511.03586511.60990012.12737212.58576112.982834 13.316655 13.637197 13.989954 14.385216 14.841722 15.36972415.961917 16.595549 17.241474 17.871626 18.461055 18.986391 19.42387919.748587 19.934923 19.958013 19.795395 19.428612 18.844393 18.03524416.999369 15.739987 14.264216 12.581802 10.703984 8.6426806.4099754.0176121.476005-1.207747-4.033175-6.919656-9.772424-12.577583-15.321465-17.990702-20.572290-23.053652-25.422699-27.667890-29.778285-31.743603-33.554270-35.201463-36.677159-37.974167-39.086169-40.007747-40.734411-41.262621-41.589804-41.714366-41.635699-41.376364-40.850805-40.008452-38.855049-37.403903-35.676949-33.704972-31.526827-29.187728-26.736824-24.224319-21.698402-19.202199-16.770908-14.429195-12.188866-10.046784-7.982989-5.959305-3.919615-1.7954630.4759892.916667];y1=[13.69281013.45599913.15363112.78718112.35843211.86947411.32268910.72074210.0665649.3633438.6145047.8236976.9947736.1317715.2388964.3204983.2197081.8218430.191177-1.605194-3.495769-5.415401-7.320538-9.196225-11.051016-12.905780-14.783306-16.701480-18.669812-20.688233-22.747295-24.829259-26.909752-28.959788-30.947932-32.842380-34.612723-36.231183-37.673270-38.917916-39.947376-40.747241-41.306893-41.620545-41.68875811-41.520236-41.137755-40.554855-39.774375-38.800119-37.636833-36.290183-34.766732-33.073900-31.219936-29.213872-27.065480-24.785228-22.384225-19.874168-17.267286-14.576280-11.814260-8.994681-6.131282-3.238012-0.3289662.5816835.1075827.2405829.32231811.31463413.17822014.87457416.36849017.63062918.63974919.38430219.86321620.08579920.07080319.84472219.43947218.88962018.22947317.49055716.70048615.88498615.07523114.32007613.692810];plot(x1,y1,x,y,'r')：五程序計算結(jié)果及分析基圓半徑r0=24.000000推程最大壓力角（弧度）=0.513512,相應(yīng)凸輪轉(zhuǎn)角=172.000000回程最大壓力角（弧度）=0.766377,相應(yīng)凸輪轉(zhuǎn)角=352.000000最小曲率半徑=14.000000,相應(yīng)凸輪轉(zhuǎn)角=340.000000序號6SXYX1Y1100.0000005.00000023.4733892.91666713.692810240.0000006.62524123.0674273.86472413.455999380.0000008.21820522.5490824.79395313.1536314120.0000009.77113021.9208815.69982612.7871815160.00000011.27645121.1858836.57793012.3584326200.00000012.72683520.3476707.42398711.8694747240.00000014,11521519.4103258.23387511.3226898280.00000015.43482718.3784159.00364910,7207429320.00000016.67924217.2569679.72955810.06656410360.00000017.84239716.05144510.4080659.36334311400.00000018.91862614.76772111.0358658.61450412440.00000019.90268513.41205111.6099007.82369713480.00000020.78978111.99103912,1273726.99477314520.00000021.57559010.51160812.5857616.13177112

15560.00000022.2562868.98096512.9828345.23889616600.00000022.8285517.40656813.3166554.32049817640.00985923.2984595.80040813.6371973.21970818680.07488823.7066154.18542113.9899541.82184319720.23968024.0975542.57245914.3852160.19117720760.53804224.5077990.95741214.841722-1.60519421800.99382724.963745-0.67535115.369724-3.49576922841.62176025.480318-2.34945215.961917-5.41540123882.42827126.060379-4.09299916.595549-7.32053824923.41232226.694836-5.93525217.241474-9.19622525964.56624027.363383-7.90354917.871626-11.051016261005.87654328.035800-10.02060118.461055-12.905780271047.32477228.673715-12.30222818.986391-14.783306281088.88832029.232729-14.75560119.423879-16.7014802911210.54126029.664801-17.37803119.748587-18.6698123011612.25517829.920768-20.15634319.934923-20.6886333112014.00000029.952907-23.06682219.958013-22.7472953212415.74482229.717406-26.07573319.795395-24.8292593312817.45874029.176650-29.14038919.428612-26.9097523413219.11168028.301221-32.21069718.844393-28.9597883513620.67522827.071507-35.23114918.035244-30.9479323614022.12345725.478865-38.14314916.999369-32.8423803714423.43376023.526246-40.88760715.739987-34.6127233814824.58767821.228245-43.40769314.264216-36.2311833915225.57172918.610551-45.65162712.581802-37.6732704015626.37824015.708757-47.57541310.703984-38.9179164116027.00617312.566564-49.1453738.642680-39.9473764216427.4619589.233376-50.3403856.409975-40.7472414316827.7603205.761349-51.1536884.017612-41.3068934417227.9251122.201948-51.5941601.476005-41.6205454517627.990141-1.397906-51.686950-1.207747-41.6887584618028.000000-5.000000-51.473389-4.033175-41.5202364718428.000000-8.578422-50.999220-6.919656-41.1377554818828.000000-12.115052-50.276588-9.772424-40.5548554919228.000000-15.592657-49.309014-12.577583-39.7743755019628.000000-18.994297-48.101211-15.321465-38.8001195120028.000000-22.303399-46.659063-17.990702-37.6368335220428.000000-25.503841-44.989598-20.572290-36.2901835320828.000000-28.580030-43.100947-23.053652-34.7667325421228.000000-31.516981-41.002313-25.422699-33.0739005521628.000000-34.300384-38.703920-27.667890-31.2199365622028.000000-36.916679-36.216966-29.778285-29.2138725722428.000000-39.353120-33.553566-31.743603-27.0654805822828.000000-41.597836-30.726696-33.554270-24.78522813

5923228.000000-43.639892-27.750129-35.201463-22.3842256023628.000000-45.469338-24.638366-36.677159-19.8741686124028.000000-47.077263-21.406568-37.974167-17.2672866224428.000000-48.455831-18.070478-39.086169-14.5762806324828.000000-49.598328-14.646352-40.007747-11.8142606425228.000000-50.499187-11.150869-40.734411-8.9946816525628.000000-51.154019-7.601061-41.262621-6.1312826626028.000000-51.559634-4.014222-41.589804-3.2380126726428.000000-51.714055-0.407825-41.714366-0.3289666826828.000000-51.6165303.200559-41.6356992.5816836927227.965897-51.2334536.792159-41.3763645.1075827027627.694066-50.36451310.321065-40.8508057.2405827128027.155697-48.99167513.715687-40.0084529.3223187228426.361266-47.14474416.907573-38.85504911.3146347328825.326238-44.86611819.835197-37.40390313.1782207429224.070757-42.20913222.446270-35.67694914.8745747529622.619261-39.23594424.699658-33.70497216.3684907630021.000000-36.01508526.566822-31.52682717.6306297730419.244492-32.61876428.032724-29.18772818.6397497830817.386907-29.12004529.096164-26.73682419.3843027931215.463398-25.59001929.769520-24.22431919.8632168031613.511407-22.09509930.077928-21.69840220.0857998132011.568926-18.69454430.057908-19.20219920.070803823249.673762-15.43832229.755535-16.77090819.844722833287.862804-12.36541229.224195-14.42919519.439472843326.171299-9.50260028.522064-12.18886618.88962853364.632172-6.86383427.709391-10.04678418.22947863403.275378-4.45015426.845720-7.98298917.490557873442.127327-2.25020525.987174-5.95930516.700486883481.210364-0.24130325.183912-3.91961515.884986893520.5423361.60899724.477872-1.79546315.075231903560.1362473.34089523.9009070.47598914.320076運行結(jié)果截圖:141F:\l\Debug\l.exe第5組數(shù)據(jù)第6組數(shù)裾第7組數(shù)裾第81F:\l\Debug\l.exe第5組數(shù)據(jù)第6組數(shù)裾第7組數(shù)裾第8組數(shù)裾第9組數(shù)裾第巡且數(shù)據(jù)第U組數(shù)據(jù)第12組數(shù)據(jù)第13組數(shù)據(jù)第14組數(shù)據(jù)第15組數(shù)據(jù)第16組數(shù)據(jù)第17組數(shù)據(jù)第18組數(shù)據(jù)第心組數(shù)據(jù)第加組數(shù)據(jù)第21組數(shù)據(jù)3=0.000000S=0.000000S=0.000000S=0.000000S=0.000000S=0.000000S=0.000000S=0.000000S=0.000000S=0.000000S=0.000000S=0.000000S=0.009859s=0.074888s=0.239680s=0.538042s=0.993827x=ll.276451,y=21.185883；xl=6.577930,yl=12.358432x=12.726835,y=20.347670；xl=7.423987,yl=11.869474x=14.115215,y=19.410325；xl=8.233875,yl=11.322689x=15.434827,y=18.378415；xl=9.003649,yl=10.720742x=16.679242,y=17.256967；xl=9.729558,yl=10.066564x=17.842397,y=16.051445；xl=10.408065,yl=9.363343x=18.918626,y=14.767721；xl=11.035865,yl=8.614504x=19.902685,y=13.412051；xl=11.609900,yl=7.823697x=2B.789781,y=ll.991039；xl=12.127372,yl=6.994773x=21.575590,y=10.511608；xl=12.585761,yl=6.131771x=22.256286,y=8.980965；xl=12.982834,yl=5.238896x=22.828551,y=7.406568；xl=13.316655,yl=4.320498x