压床机构齿轮机构方案 机械原理课程设计说明书

1、机械原理课程设计说明书设计题目：压床机构齿轮机构方案III指导教师：xxx设计者：xxx学号： xxxxxxxxx班级：xxxx 2008年7月10日 Xxxx目录1. 设计任务及要求2. 数学模型的建立3. 程序框图4. 程序清单及运行结果 5设计总结5.6. 参考文献7. 中期检查报告1.设计任务及要求 已知:齿轮,齿轮为正常齿制，工作情况为开式传动，齿轮与曲柄共轴。要求：1) 用C语言编写程序计算A. 中心距（圆整尾数为5或0或双数）；B. 啮合角；C. 按小轮不发生根切为原则分配变位系数；D. 计算基圆直径 节圆展角；E. 重合度;2) 计算出齿形曲线，在2号图纸上绘制齿轮传动的啮合图

2、。3) 编写出计算说明书。2.数学模型 注：下列尺寸单位为mm1、齿轮基本参数：齿数： =11 =32 模数： m=6压力角： 齿顶高系数： 齿根高系数： 1) 实际中心距的确定： ； =（a/5+1）5；2) 啮合角： ；分度圆分离系数： 3) 按小轮不发生根切为原则分配变位系数； ； 齿顶高变动系数： 4）基圆直径； 分度圆直径； 节圆直径： 分度圆齿厚： 基圆齿厚： 齿顶厚： 一般取节圆展角： 齿顶高： 齿根高： 齿顶圆直径： 齿根圆直径； 5）重合度： 一般情况应保证3.程序框图输入 m 计算 y 计算 Y N 计算 Y0.25m N 计算Y1.2 N计算 输出计算结果4程序清单及运行

3、结果(1)程序清单#include"math.h"#include"stdio.h"#define z5 11.0#define z6 32.0#define t 20*3.14/180 /*yalijiao,unit:rad*/#define m 6 /*moshu*/#define hax 1.0#define cx 0.25#define Zmin 17.0#define pi 3.14main() int a,ai; double ti; /*niehejiao*/ double x5,x6,xh; double db5,db6; /*jiyua

4、nzhijing*/ double d5,d6; /*fenduyuanzhijing*/ double ha5,ha6; /*chidinggao*/ double hf5,hf6; /*chigengao*/ double df5,df6; /*chigenyuanzhijing*/ double di5,di6; /*jieyuanzhijing*/ double da5,da6; /*chidingyuanzhijing*/ double p; /*chiju*/ double p1; /*jieyuanchiju*/ double pb; /*jiyuanchiju*/ double

5、 S5,S6; /*chihou*/ double Sb5,Sb6; /*jiyuanchihou*/double Sa5,Sa6; /*chidinghou*/ double o5,o6; /*jieyuanzhanjiao*/ double e; /*chonghedu*/ double y,Xmin5,Xmin6; /*y shifenlixishu*/ double cdb; double cgm; /*chidingaobiandongxishu*/ int j,i; a=m*(z5+z6)/2; printf("a=%d n",a); i=a/5; ai=(i+

6、1)*5; printf("ai=%d (mm)n",ai);ti=acos(a*cos(t)/ai); printf("ti=%4.3f (rad)n",ti);cdb=z6/z5; printf("n cdb=%5.3f n",cdb);y=0.5*(z5+z6)*(cos(t)/cos(ti)-1); printf("y=%5.3lf n",y);d5=m*z5; d6=m*z6; printf("d5=%5.3lf,d6=%5.3lf (mm)n",d5,d6);db5=m*z5*cos

7、(t); db6=m*z6*cos(t);printf("db5=%5.3lf,db6=%5.3lf (mm)n",db5,db6);di5=d5*cos(t)/cos(ti); di6=d6*cos(t)/cos(ti); printf("di5=%5.3lf,di6=%5.3lf (mm)n",di5,di6); p=m*pi; p1=p*cos(t)/cos(ti); pb=pi*m*cos(t); printf("p=%5.3lf,p1=%5.3lf,pb=%5.3lf n",p,p1,pb); Xmin5=hax*(Zmin

8、-z5)/Zmin; printf("Xmin5=%3.4lf (mm)nn",Xmin5); Xmin6=hax*(Zmin-z6)/Zmin; printf("Xmin6=%3.4lf (mm)nn",Xmin6);xh=0.5*(tan(ti)-ti-(tan(t)-t)*(z5+z6)/tan(t); printf("xh=x5+x6=%5.3f n",xh);for(j=0;j<10;j+) x5=Xmin5+0.04*j; x6=xh-x5; if(x6<Xmin6)break;cgm=x5+x6-y;ha5=

9、m*(hax+x5-cgm); ha6=m*(hax+x6-cgm);hf5=(hax+cx-x5)*m;hf6=(hax+cx-x6)*m;da5=d5+2*ha5; da6=d6+2*ha6;df5=d5-2*hf5; df6=d6-2*hf6;S5=0.5*pi*m+2*x5*m*tan(t); S6=0.5*pi*m+2*x6*m*tan(t);Sb5=S5*db5/d5-db5*(tan(acos(db5/db5)-acos(db5/db5)-(tan(t)-t); Sb6=S6*db6/d6-db6*(tan(acos(db6/db6)-acos(db6/db6)-(tan(t)-

10、t);Sa5=S5*da5/d5-da5*(tan(acos(db5/da5)-acos(db5/da5)-(tan(t)-t); Sa6=S6*db6/d6-da6*(tan(acos(db6/da6)-acos(db6/da6)-(tan(t)-t);o5=tan(acos(db5/di5)-acos(db5/di5); o6=tan(acos(db6/di6)-acos(db6/di6);e=(z5*(tan(acos(db5/da5)-tan(ti)+z6*(tan(acos(db6/da6)-tan(ti)/(2*pi); if(S5>cx*m)&&(S6>

11、;cx*m)&&(Sb5>cx*m)&&(Sb6>cx*m)&&(Sa5>cx*m)&&(Sa6>cx*m)&&(e>1.2) printf("a=%d n",a); printf("ai=%d (mm)n",ai); printf("ti=%4.3f (rad)n",ti);printf("n cdb=%5.3f n",cdb); printf("y=%5.3lf n",y); pri

12、ntf("d5=%5.3lf,d6=%5.3lf (mm)n",d5,d6); printf("db5=%5.3lf,db6=%5.3lf (mm)n",db5,db6); printf("di5=%5.3lf,di6=%5.3lf (mm)n",di5,di6); printf("p=%5.3lf,p1=%5.3lf,pb=%5.3lf n",p,p1,pb); printf("x5=%5.3lf,x6=%5.3lf (mm)n",x5,x6); printf("cgm=%5.3lf

13、 n",cgm); printf("ha5=%5.3lf,ha6=%5.3lf (mm)n",ha5,ha6); printf("hf5=%5.3lf,hf6=%5.3lf (mm)n",hf5,hf6); printf("da5=%5.3lf,da6=%5.3lf (mm)n",da5,da6); printf("df5=%5.3lf,df6=%5.3lf (mm)n",df5,df6); printf("S5=%5.3lf,S6=%5.3lf (mm)n",S5,S6); prin

14、tf("Sb5=%5.3lf,Sb6=%5.3lf (mm)n",Sb5,Sb6); printf("Sa5=%5.3lf,Sa6=%5.3lf (mm)n",Sa5,Sa6); printf("o5=%6.5lf,o6=%6.5lf (rad)n",o5,o6); printf("e=%5.3lf n",e); （2）运行结果a=129ai=130 (mm)ti=0.369 (rad)cdb=2.909y=0.167d5=66.000,d6=192.000 (mm)db5=62.024,db6=180.433 (

15、mm)di5=66.512,di6=193.488 (mm)p=18.840,p1=18.986,pb=17.705Xmin5=0.3529 (mm)Xmin6=-0.8824 (mm)xh=x5+x6=0.171a=129ai=130 (mm)ti=0.369 (rad)cdb=2.909y=0.167d5=66.000,d6=192.000 (mm)db5=62.024,db6=180.433 (mm)di5=66.512,di6=193.488 (mm)p=18.840,p1=18.986,pb=17.705x5=0.353,x6=-0.182 (mm)cgm=0.005ha5=8.08

16、9,ha6=4.882 (mm)hf5=5.382,hf6=8.589 (mm)da5=82.178,da6=201.765 (mm)df5=55.235,df6=174.822 (mm)S5=10.961,S6=8.628 (mm)Sb5=11.223,Sb6=10.793 (mm)Sa5=2.243,Sa6=3.758 (mm)o5=0.01778,o6=0.01778 (rad)e=1.421a=129ai=130 (mm)ti=0.369 (rad)cdb=2.909y=0.167d5=66.000,d6=192.000 (mm)db5=62.024,db6=180.433 (mm)d

17、i5=66.512,di6=193.488 (mm)p=18.840,p1=18.986,pb=17.705x5=0.393,x6=-0.222 (mm)cgm=0.005ha5=8.329,ha6=4.642 (mm)hf5=5.142,hf6=8.829 (mm)da5=82.658,da6=201.285 (mm)df5=55.715,df6=174.342 (mm)S5=11.135,S6=8.453 (mm)Sb5=11.387,Sb6=10.629 (mm)Sa5=2.053,Sa6=3.843 (mm)o5=0.01778,o6=0.01778 (rad)e=1.411a=129

18、ai=130 (mm)ti=0.369 (rad)cdb=2.909y=0.167d5=66.000,d6=192.000 (mm)db5=62.024,db6=180.433 (mm)di5=66.512,di6=193.488 (mm)p=18.840,p1=18.986,pb=17.705x5=0.433,x6=-0.262 (mm)cgm=0.005ha5=8.569,ha6=4.402 (mm)hf5=4.902,hf6=9.069 (mm)da5=83.138,da6=200.805 (mm)df5=56.195,df6=173.862 (mm)S5=11.310,S6=8.278

19、 (mm)Sb5=11.551,Sb6=10.465 (mm)Sa5=1.858,Sa6=3.924 (mm)o5=0.01778,o6=0.01778 (rad)e=1.401a=129ai=130 (mm)ti=0.369 (rad)cdb=2.909y=0.167d5=66.000,d6=192.000 (mm)db5=62.024,db6=180.433 (mm)di5=66.512,di6=193.488 (mm)p=18.840,p1=18.986,pb=17.705x5=0.473,x6=-0.302 (mm)cgm=0.005ha5=8.809,ha6=4.162 (mm)hf5=4.662,hf6=9.309 (mm)da5=83.618,da6=200.325 (mm)df5=56.675,df6=173.382 (mm)S5=11.485,S6=8.104 (mm)Sb5=11.716,Sb6=10.301 (mm)Sa5=1.658,Sa6=4.002 (mm)o5=0.01778,o6=0.01778 (rad)e=1.3905设计总结时光飞逝转眼间一周的机械原理课程设计即将结束，虽然时间不长，许多方面准备的也不是很充分，但我还是从中获益匪浅，学习到很多课堂以外的东西。此次