斜齿轮变位系数分配-C程序

#include"stdio.h"

#include"math.h"

void main()

{

int z1,z2,Zh,A;

float M,a,Zh2,u;

float Xn,x1;

double a1,a2; /*a1=端面啮合角(实数)a2=端面啮合角(角度)*/

double xishuhe(float,double); /*函数声明*/

float fenpei(float u,float x); /*函数声明*/

printf("请输入两齿轮齿数：\n");

scanf("%d %d",&z1,&z2);

printf("请输入齿轮模数：\n");

scanf("%f",&M);

printf("请输入圆整后中心距：\n");

scanf("%d",&A);

Zh=z1+z2;

Zh2=Zh/0.797; /*Zh=齿数和 Zh2=当量齿数和*/

u=z2/(z1+0.0); /*u=传动比 (z1+0.0)是为了得到非整数的u*/

a=M*Zh/1.8544;

printf("z1=%d z2=%d Zh=%d Zh2=%f M=%.2f A=%d a=%.4f\n",z1,z2,Zh,Zh2,M,A,a);

a1=acos(a/A*0.9308);

a2=a1/3.1415926*180;

printf("端面啮合角(角度)=%.3f\n",a2);

Xn=xishuhe(Zh2,a2);

printf("变位系数和=%.3f\n",Xn);

x1=fenpei(u,Xn);

printf("齿轮1变位系数=%.3f\n",x1);

}

double xishuhe(float z,double a) /*求变位系数和的函数*/

{

float Xn;

if(a>=20.5&&a<21)

Xn=(z/300-0.00163*z)/0.5*(a-20.5)+0.00163*z;

if(a>=21&&a<21.5)

Xn=(z/200-z/300)/0.5*(a-21)+z/300;

if(a>=21.5&&a<22)

Xn=(0.007*z-z/200)/0.5*(a-21.5)+z/200;

if(a>=22&&a<22.5)

Xn=(0.00898*z-0.007*z)/0.5*(a-22)+0.007*z;

if(a>=22.5&&a<23)

Xn=(z/90-0.00898*z)/0.5*(a-22.5)+0.00898*z;

if(a>=23&&a<23.5)

Xn=(z/75-z/90)/0.5*(a-23)+z/90;

if(a>=23.5&&a<24)

Xn=(z/64-z/75)/0.5*(a-23.5)+z/75;

if(a>=24&&a<24.5)

Xn=(z/55-z/64)/0.5*(a-24)+z/64;

if(a>=24.5&&a<25)

Xn=(0.0207*z-z/55)/0.5*(a-24.5)+z/55;

if(a>=25&&a<25.5)

Xn=(0.02325*z-0.0207*z)/0.5*(a-25)+0.0207*z;

if(a>=25.5&&a<26)

Xn=(0.02641*z-0.02325*z)/0.5*(a-25.5)+0.02325*z;

return Xn;

}

float fenpei(float i,float x) /*变位系数分配函数*/

{

float x1;

if(i>=0.7&&i<1)

x1=0.5251*x-0.0339;

if(i>=1&&i<1.2)

x1=0.4473*x+0.0581;

if(i>=1.2&&i<1.6)

x1=0.375*x+0.1375;

if(i>=1.6&&i<2.2)

x1=0.2759*x+0.2552;

if(i>=2.2&&i<3.0)

x1=0.2105*x+0.3369;

if(i>=3.0)

x1=0.1361*x+0.4243;

return x1;

}