v带传动c语言设计流程.doc

新鄉学院 题目：V带传动的c语言设计 院系：机电工程学院 班级：机自专升本二班 姓名：卢 晓 盟 学号：12042010205 指导老师：梁 炜 一、程序框图a1=0.7(dd1+dd2)，a2=2(dd1+dd2)输入初估中心距a0,计算 Ld0Add2= 查标准带轮直径表确定dd2YVVmax ?根据型号确定最大带速Vmax，额定功率P0中系数K1,K2,K3，弯曲影响系数KbV=输出该型号带轮系列直径，选择输入小带轮基准直径dd1输入带型号查表求传动比系数Ki查KA, 计算Pd，选型查表求KA, 计算Pd输入P, n1, i输入各原始数据开始减小直径图1 V带设计程序框图B查标准长度确定Ld，同时查取KL，计算实际中心距aA计算小带轮包角查表确定包角系数计算Po，Z10 ?计算Fo, Q,B ( 取整)输出结果计算下一型号带 ？结束计算下一种带轮直径？YYYNNNNB二、V带设计程序#include#include#include#define PAI 3.14int TYPE_TO_NUM(char type); /*将输入的字符（不论大小写）转换为数字方便使用*/float Select_Ki(float i); /*查表选择Ki的程序*/float Select_KA(float H,int GZJ,int YDJ); /*查表选择KA的程序*/float Select_KL(float Ld,int TYPE); /*查表选择KL的程序*/float Select_M(int TYPE); /*查表选择m的程序*/float Select_dd1(int TYPE); /*查表选择小轮基准直径dd1的程序*/float Select_dd2(int dd1,float i); /*查表选择大轮直径dd2的程序*/float Compute_P0(float V,int TYPE,float dd1); /*计算P0的程序*/float Compute_DIFP0(int TYPE,float Ki,int n1); /*计算DIFP0的程序*/float Compute_VMAX(int TYPE); /*计算VMAX的程序*/float Compute_KALF(float ALF1); /*计算KALF的程序*/float Compute_B(int TYPE,int z); /*计算带宽B的程序*/float* Compute_LAK(float dd1,float dd2,int TYPE); /*计算Ld，a，KL的程序*/main()float P,H,i,n1,KA,Ki,dd1,dd2,V,P0,DIFP0,Pd,VMAX,*LAK,m,Ld,KALF,a,KL,z,F0,ALF1,Q,B;int YDJ,GZJ,TYPE,ANS;char type,ans;printf( V带传动设计程序n);printf( 设计者 卢晓盟 12042010205n);START:printf(请输入原始参数:n);printf(传递功率P(KW):);scanf(%f,&P);printf(小带轮转速n1(r/min)：);scanf(%f,&n1);printf(传动比i:);scanf(%f,&i);printf(每天工作时间H(h):);scanf(%f,&H);printf(原动机类型(1或2):);scanf(%d,&YDJ);printf(工作机载荷类型:n1,载荷平稳n2,载荷变动较小n3,载荷变动较大n4,载荷变动很大n);scanf(%d,&GZJ);DX: printf(带型:);scanf( %c,&type);TYPE=TYPE_TO_NUM(type);KA= Select_KA(H,GZJ,YDJ);Pd=KA*P;VMAX=Compute_VMAX(TYPE);DD1:dd1=Select_dd1(TYPE);V=PAI*dd1*n1/60000;while(VVMAX)printf(所选小轮基准直径过小!请重新选择!n);dd1=Select_dd1(TYPE);V=PAI*dd1*n1/60000;dd2=Select_dd2(dd1,i);P0=Compute_P0(V,TYPE,dd1);Ki=Select_Ki(i);DIFP0=Compute_DIFP0(TYPE,Ki,n1);LAK=Compute_LAK(dd1,dd2,TYPE);Ld=LAK0;a=LAK1;KL=LAK2;ALF1=180-57.3*(dd2-dd1)/a;KALF=Compute_KALF(ALF1);z=ceil(Pd/(KALF*KL*(P0+DIFP0);if(z=10)goto DX;m=Select_M(TYPE);F0=500*Pd*(2.5-KALF)/(z*V*KALF)+m*V*V;Q=2*z*F0*sin(ALF1*PAI/360);B= Compute_B(TYPE,z);printf( 计算结果n);printf(小轮直径:%f mmn大轮直径:%f mmn中心距:%f mmn带长:%f mmn带宽:%f mmn带的根数:%fn初拉力:%f Nn轴压力:%f Nn,dd1,dd2,a,Ld,B,z,F0,Q);X:printf(计算下一组带轮直径按Y,重新开始按S,结束按N:);scanf( %c,&ans);ANS=TYPE_TO_NUM(ans);if(ANS=6)goto DD1;else if(ANS=7)goto START;else if(ANS=8)printf(程序结束);elseprintf(输入错误，请重新输入);goto X;float Select_KA(float H,int GZJ,int YDJ)float ka143=1.0,1.1,1.2,1.1,1.2,1.3,1.2,1.3,1.4,1.3,1.4,1.5;float ka243=1.1,1.2,1.3,1.2,1.3,1.4,1.4,1.5,1.6,1.5,1.6,1.8;float KA;if(YDJ=1)if(H16)KA=ka1GZJ-12;elseKA=ka1GZJ-11;if(YDJ=2)if(H16)KA=ka2GZJ-12;elseKA=ka2GZJ-11;return KA;float Select_Ki(float i)float m;float Ki10=1.0000,1.0136,1.0276,1.0419,1.0567,1.0719,1.0875,1.1036,1.1202,1.1373;float I10=1.00,1.02,1.05,1.09,1.13,1.19,1.25,1.35,1.52,2.00;int j=9;for(j=9;j=0;j-) m=i-Ij;if(m=0)break;return Kij;int TYPE_TO_NUM(char type)int x;if(type91)type+=32;switch(type)case z:x=0;break;case a:x=1;break;case b:x=2;break;case c:x=3;break;case d:x=4;break;case e:x=5;break;case y:x=6;break;case s:x=7;break;case n:x=8;break;return x;float Compute_P0(float V,int TYPE,float dd1)float P0;float K16=0.246,0.449,0.794,1.48,3.15,4.57;float K26=7.44,19.02,50.6,143.2,507.3,951.5;float K36=0.441e-4,0.765e-4,1.31e-4,2.34e-4,4.77e-4,7.06e-4;P0=(K1TYPE*pow(V,-0.09)-K2TYPE/dd1-K3TYPE*V*V)*V;return P0;float Compute_DIFP0(int TYPE,float Ki,int n1)float Kb,DIFP0;float KB6=0.2925e-3,0.7725e-3,1.9875e-3,5.625e-3,19.95e-3,37.35e-3;Kb=KBTYPE;DIFP0=Kb*n1*(1-1/Ki);return DIFP0;float Select_dd1(int TYPE)int i;float dd1;float DD164=50,63,71,80,75,90,100,125,125,140,160,180,200,250,315,400,355,400,450,500,500,560,630,710;printf(该带型推荐的小带轮基准直径有(mm):n);for(i=0;i4;i+)printf(%.2f ,DD1TYPEi);printf(n请选择小带轮直径dd1:);scanf(%f,&dd1);return dd1;float Select_dd2(int dd1,float i)float DD2=50,56,63,71,80,90,100,112,125,140,150,160,180,200,224,250,280,315,355,400,425,450,500,560,600,630,710,800;float dd2,temp,t;int j=0;temp=i*dd1;for(j=0;j28;j+)t=temp-DD2j;if(t=0)break;if(DD2j-temp)(temp-DD2j-1)dd2=DD2j;elsedd2=DD2j-1;return dd2;float* Compute_LAK(float dd1,float dd2,int TYPE)int j=0;float a1,a2,a0,Ld0,temp,KALF,Ld,a,KL;float LAK3;float kl236=400,0.87,450,0.89,500,0.91,560,0.94,630,0.96,0.81,710,0.99,0.83,800,1.00,0.85,0.82,900,1.03,0.87,0.84,0.83,1000,1.06,0.89,0.86,0.86,0.83,1120,1.08,0.91,0.88,0.88,0.86,1250,1.10,0.93,0.90,0.91,0.89,1400,1.14,0.96,0.92,0.93,0.91,1600,1.16,0.99,0.95,0.95,0.93,1800,1.18,1.01,0.98,0.97,0.96,2000,0,1.03,1.00,0.99,0.98,2240,0,1.06,1.03,1.02,1.00,2500,0,1.09,1.05,1.04,1.03,2800,0,1.11,1.07,1.07,1.06,3150,0,1.13,1.09,1.09,1.08,3550,0,1.17,1.13,1.12,1.11,4000,0,1.19,1.15,1.15,1.14,4500,0,0,1.18,1.18,1.17,5000,0,0,0,1.21,1.20;a1=0.7*(dd1+dd2);a2=2*(dd1+dd2);printf(请输入初估中心距a0(范围为%.2fmm%.2fmm):,a1,a2);scanf(%f,&a0);Ld0=2*a0+(dd1+dd2)*PAI/2+(dd2-dd1)*(dd2-dd1)/a0/4;for(j=0;j23;j+)temp=Ld0-klj0;if(temp(klj0-Ld0)Ld=klj0;KL=kljTYPE+1;elseLd=klj-10;KL=klj-1TYPE+1;a=a0+(Ld-Ld0)/2;LAK0=Ld;LAK1=a;LAK2=KL;return LAK;float Compute_VMAX(int TYPE)float VMAX;switch(TYPE)case 0:case 1:case 2:case 3:VMAX=25;break;case 4:case 5:VMAX=30;break;return VMAX;float Select_M(int TYPE)float m;float M6=0.06,0.1,0.17,0.3,0.6,0.9;m=MTYPE;return m;float Compute_B(int TYPE,int z)float f6=8,10,12.5,17,23,29;float e6=12,15,19,25.5,37,44.5;float B;B=(z-1)*eTYPE+2*fTYPE;return B;flo