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这是个简单的建模实例，用了回转体、拉伸、以及布尔运算。
entity/ln(100),cr(100),pt(100),obj(100),ent(10),csys1,csys2
number/mat1(12)
data/d,600
back:
param/'输入方向盘平均直径','方向盘平均直径(mm)',d,rsp
jump/back:,cancel:,ok:,rsp
ok:
$$尺寸判断
ifthen/d<500 or d>1000
messg/'尺寸超出范围（500-1000），请重新输入'
jump/back:
else
jump/l1:
endif
l1:
$$外圈
r=d/30
pt(1)=point/0,7*d/15
cr(1)=ellips/pt(1),r,1.5*r
ent(1)=solrev/cr(1),origin,0,0,0,atangl,360,axis,1,0,0
$$旋转坐标
ln(1)=line/0,0,-1,0,0,1
ln(2)=line/0,-1,0,0,1,0
csys1=csys/ln(1),ln(2)
&wcs=csys1
$$辐条
pt(2)=point/0,d/20,r
pt(3)=point/7*d/30,d/10,r
pt(4)=point/7*d/15,d/10,r
cr(2)=circle/pt(4),pt(3),pt(2)
pt(5)=point/0,0
ln(3)=line/pt(5),atangl,-60
mat1=matrix/mirror,ln(3)
cr(3)=transf/mat1,cr(2)
pt(6)=point/endof,xlarge,cr(3)
ln(4)=line/pt(2),pt(6)
pt(7)=point/0,0,r
obj(1)=fillet/cr(2),ln(4),center,pt(7),radius,50
obj(2)=fillet/ln(4),cr(3),center,pt(7),radius,50
pt(8)=point/pt(4),delta,0,-d/10,0
pt(9)=point/pt(7),delta,d*(cosf(60))/8,-d*(sinf(60))/8,0
pt(10)=transf/mat1,pt(8)
cr(4)=circle/pt(8),pt(9),pt(10)
pt(11)=point/endof,xsmall,cr(3)
ln(5)=line/pt(11),pt(10)
ln(6)=line/pt(8),pt(4)
ent(2)=solext/cr(2..4),obj(1..2),ln(4..6),height,2*r,axis,0,0,-1
blend/ent(2),radius,10
$$旋转坐标
ln(7)=line/pt(5),perpto,ln(3)
csys2=csys/ln(7),ln(3)
&wcs=csys2
$$生成联轴部分
ent(3)=solcyl/origin,0,0,-1.3*r,height,2.6*r,diamtr,d/5,axis,0,0,1
blend/ent(3),radius,10
cr(5)=circle/0,0,-1.3*r,d/15
cr(6)=circle/0,0,-1.3*r,d/30
ent(4)=solext/cr(5..6),height,4*r,axis,0,0,-1
ent(5)=unite/ent(1),with,ent(2..4)
$$隐藏多余实体
blank/cr(1..6),ln(1..7),pt(1..11)
$$上色
&color(ent(5))=&gray
cancel:
halt
原贴地址
http://www.ugufun.com/?p=128
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发表于 2014-3-25 10:33:04
