PROE常用参数曲线方程

PRO/E常用参数曲线方程名称参数曲线方程坐标系线型正弦曲线（Sinusoid）x=t*360y=100*sin(t*360)笛卡尔坐标系螺旋线(Helicalcurve)r=ttheta=10+t*(10*360)z=t*5圆柱坐标x=5*cos(t*(5*360))y=5*sin(t*(5*360))z=10*t笛卡尔坐标系蝴蝶曲线(Butterflycurve)rho=10*ttheta=360*t*4phi=-360*t*10球坐标玫瑰曲线（Rhodonea）theta=t*360*4x=25+(10-6)*cos(theta)+10*cos((10/6-1)*theta)y=25+(10-6)*sin(theta)-6*sin((10/6-1)*theta)笛卡尔坐标系theta=t*360r=10+10*sin(8*theta)z=4*sin(8*theta)圆柱标系渐开线（Involute）r=1ang=360*ts=2*pi*r*tx0=s*cos(ang)y0=s*sin(ang)x=x0+s*sin(ang)y=y0-s*cos(ang)z=0笛卡尔坐标系对数曲线（logarithmiccurve）x=10*ty=log(10*t+0.0001)z=0笛卡尔坐标系球面螺旋线（spherehelical）rho=5theta=t*180phi=t*360*20球坐标系双弧外摆线（Epicycloids）l=3b=3x=3*b*cos(t*360)+1*cos(3*t*360)Y=3*b*sin(t*360)+1*sin(3*t*360)笛卡尔坐标系星行线（Astroid）a=10x=a*(cos(t*360))^3y=a*(sin(t*360))^3笛卡尔坐标系心形线（Cardioid）a=5r=a*(1+cos(theta))theta=t*360z=0圆柱坐标叶形线a=10x=3*a*t/(1+(t^3))y=3*a*(t^2)/(1+(t^3))笛卡儿坐标抛物线（parabola）x=(4*t)y=(3*t)+(5*t^2)z=0笛卡儿坐标碟形线r=5theta=t*3600z=(sin(3.5*theta-90))+24圓柱坐标篮子r=5+0.3*sin(t*180)+ttheta=t*360*30z=t*5圆柱坐标