机械原理缝纫机课程设计说明书

1、机械原理课程设计 说明书设计题目缝纫机导针和紧针机构及 分析机电学院学院班学号设计者：指导教师：2012年6月17日附录一：C+源程序#include<iostream>#include<iomanip>#include<cmath>#include<fstream> using namespace std;#define pi 3.1415926fstream iofile;void main()fstream iofile;iofile.open("1.txt",ios:out);doubleL1=12.18580,L2=

2、45.83891,L3=29.0,L4=34.0,L5=59.59058,L6;/L1 为杆 O2C，L2 为 DC，L3 为杆O3D，L4 为杆 O2O3， L5 为 DEdouble a1=7.0/30.0*pi,a2=2.0/3.0*pi,a3=0.8*pi;double B,A1,A2,P,X,Y;double Vb,Yb,Ab;doubleA,W;/A为02A杆与X轴的夹角cout<<setw(15)<<"E 点坐标 X"<<setw(15)<<"E 点坐标 Y"vvsetw(15)vv"

3、; a 角"vvsetw(15)vv"0A 杆与 X 轴夹角"<<endl; iofile<<setw(15)<<"E 点坐标 X"<<setw(15)<<"E 点坐标 Y"<<setw(15)<<" a 角"vvsetw(15)vv"0A 杆与 X 轴夹角"<<endl; for(int i=0;i<=36;i+)A=pi/18.0*i; L6=sqrt(L1*L1+L4*L4-2*

4、L1*L4*cos(1.5*pi-a1-a3-A);/求 C O3 长度 B=acos(L3*L3+L2*L2-L6*L6)/(2*L2*L3);/求角 CDO3 A1=acos(L3*L3+L6*L6-L2*L2)/(2*L3*L6);/求角 CO3DA2=asin(L1/L6*sin(1.5*pi-a1-a3-A);/求角 CO3O2P=A1+A2-0.3*pi;求a角X=L5*cos(P+B-1.0/3.0*pi)+L3*cos(P)-L4*cos(a3-0.5*pi);/E 点横坐标 Y=L5*sin(P+B-1.0/3.0*pi)+L3*sin(P)+L4*sin(a3-0.5*pi

5、);/E 点纵坐标cout<<setw(15)<<X<<setw(15)<<Y<<setw(15)<<P/pi*180<<setw(15)<<A/pi*180<<setw(15)<<endl;iofile<<setw(15)<<X<<setw(15)<<Y<<setw(15)<<P/pi*180<<setw(15)<<A/pi*180<<setw(15)<<

6、endl;cout<<endl<<endl;coutvvsetw(15)vv"B 点位移"<<setw(15)vv"B 点速度"<<setw(15)<<"B 点加速度"vvsetw(15)vv"0A 与 X 轴夹角"<<endl;iofile<vsetw(15)vv"B 点位移"<<setw(15)<<"B 点速度"<<setw(15)<<"

7、 B 点加速度 "<<setw(15)<<"OA 与 X 轴夹角 "<<endl;for(int j=0;j<=36;j+)A=pi/18*j,W=2*230*pi/60;Yb=-60*sqrt(1-0.09*cos(A)*cos(A)+18*sin(A);/求 B 点位移Vb=+18*W*cos(A)-2.7*W*sin(2*A)/sqrt(1-0.09*cos(A)*cos(A);/求 B 点速度Ab=-18*W*W*sin(A)-(W*W*5.4*cos(2*A)-0.1215*W*W*sin(2*A)*sin(2*

8、A)/(1-0.09*cos(A)*cos(A)/sqrt(1-0.09*cos(A)*cos(A);/求 B 点加速度 cout<<setw(15)<<Yb<<setw(15)<<Vb<<setw(15)<<Ab<<setw(15)<<A/ pi*180<<endl;iofile<<setw(15)<<Yb<<setw(15)<<Vb<<setw(15)<<Ab<<setw(15)<<A /

9、pi*180<<endl;数据如下：（长度单位为mm,角单位为度）E 点坐标 XE 点坐标 Ya角1OA杆与X轴夹角36.165295.611857.5187033.372797.43562.47441030.778898.827167.24192028.546799.735371.65683026.9037100.09275.48684026.165299.795578.39635026.74998.67479.90836029.125596.438279.41217033.590292.674976.32778039.843587.030670.50569046.813979.

10、620362.561310053.204571.237553.646711058.234762.997544.85812061.79655.807236.88913064.154850.142130.040914065.651146.114224.367315066.557743.624619.802716067.051842.483616.240117067.233942.47913.569518067.154943.407911.694419066.838145.088710.535720066.29447.363710.031321065.529150.098810.133722064.

11、550153.180810.805823063.365156.515312.018324061.983560.024113.745525060.414263.642115.963226058.665367.314418.645727056.742970.993521.764728054.651574.636425.287729052.394978.202229.177830049.978881.649933.393231047.412784.937737.887632044.713388.022642.609233041.908190.860147.500534039.038693.40552

12、.49635036.165295.611857.5186360B 点位移 B 点速度 B 点加速度 OA 与 X 轴夹角-57.2364433.54-3608.650-54.196403.672-5179.6910-51.4101363.826-6255.5120-48.9396317.135-6901.7330-46.8239266.306-7227.9640-45.0851213.406-7350.9250-43.7327159.807-7367.6860-42.7689106.256-7344.670-42.19253.0113-7319.4180-428.13166e-006-7309

13、.4390-42.192-53.0112-7319.41100-42.7689-106.256-7344.6110-43.7327-159.807-7367.68120-45.0851-213.406-7350.92130-46.8239-266.306-7227.96140-48.9396-317.135-6901.73150-51.4101-363.826-6255.51160-54.196-403.672-5179.69170-57.2364-433.54-3608.65180-60.4473-450.234-1553.21190-63.7229-450.962887.264200-66.9396-433.7783540.31210-69.9643-397.9156196.07220-72.6627-343.9428647.21230-74.9096-273.73310718.5240-76.5978-190.30212280250-77.6451-97.555613247.4260-78-4.53049e-00513574.7270-77.645197.555513247.4280-76.5978190.30212280290-74.9096273.73310718