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发表于 2010-4-27 21:38
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- NUMBER/m,z1,z2,d1,t,i $$模数=m,蜗杆头数=z1,蜗轮齿数=z2,分度圆直径=d1
$ i0 S) ]! y; f - entity/cyl,pt1,pt2,pt3,pt4,ln1,ln2,ln3,ln4,pt(5001),SPL,obj1,obj2,obj3,obj4
$ ?0 e5 i! N. p6 D - $$ cy1为圆柱体,pt1..pt4为点,ln1..ln4为T型线,pt(5001)拟合点,spl为螺旋线
- _" u0 [) }3 Y, ~! H9 \" U - data/ha,1,c,0.2 $$ ha为齿顶高系数,c为径向间隙
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- PARAM/'阿基米德蜗杆','模数 m=',m,$8 u* F* s# y5 O3 d; d! ]7 s/ D& J2 @
- '蜗杆头数 z1=',int,z1,$
# X: t' S* s% I - '蜗轮齿数z2=',int,z2,$
" ]4 Z; Z$ v7 Z - '分度圆直径d1=',d1,respond
. ~$ l. X0 p* q5 a) u - JUMP/l10:,stop:,,respond
, e0 V. }/ r# K9 x+ W4 n; d - r=atanf(m*z1/d1) $$ r为导程角
6 T% l: C$ V3 M, o8 m6 y - px=3.1416*m $$ px为齿距
# ]. N' N' m+ a: u; } - da1=d1+2*ha*m $$ da1为齿顶圆# L6 Z7 R4 c1 L7 ?& V1 b0 B- }
- df1=d1-2*(ha+c)*m $$ df1为齿根圆1 k" ~4 N) ]; b, a
- b1=2*m*sqrtf(z2+1) $$ b1为蜗杆齿宽(螺纹长度). G, A7 B* n# q$ [7 O. I
- n=INTF(b1/px)+2 $$ n=螺旋线圈数
& R' d n# E3 A9 ^5 B - cyl=solcyl/origin,0,0,px,height,b1,diamtr,da1,iferr,mark:
: E+ @! U$ D9 ?( I5 @6 v - mark:8 f0 L& w5 \7 ^) x1 V# W
- stop:+ j* B+ ?# w$ y& `: Y( @6 _
- pt1=POINT/df1/2,0,px/4-(d1-df1)/2*sinf(20)/cosf(20)
3 d+ x( B0 X" l) W( U - pt2=POINT/df1/2,0,(d1-df1)/2*sinf(20)/cosf(20)-px/4 r5 }. s7 }/ u( V2 b
- pt3=POINT/(da1+0.1)/2,0,px/4+(da1-d1+0.1)/2*sinf(20)/cosf(20). p, ]+ r+ e r* t2 W) c7 D$ T( }
- pt4=POINT/(da1+0.1)/2,0,(d1-da1-0.1)/2*sinf(20)/cosf(20)-px/4* A# y5 r* O2 Q* o! c- w# H+ i
- ln1=LINE/pt1,pt2 S7 X- k; k$ P; k% H9 m2 f+ p0 q
- ln2=LINE/pt3,pt48 e$ M. P) b% \& |
- ln3=LINE/pt1,pt3
+ i+ t2 q( y, Z2 [0 x+ E) A4 X; D9 i - ln4=LINE/pt2,pt4
5 s8 a ~7 B7 Q, k; g) d - i=06 q7 D5 e) L$ C3 i6 w+ }) Y
- str1:
* h) Z" z8 Z( E6 J+ E - i=i+1 $$取i个拟合点
$ g4 e; D$ l' B; |2 }6 i( u - t=(i-1)/5000 $$ t取0~1
% E$ a2 z) `, C+ J% S2 z - xc=cosf(360*n*t)*d1/2- l, z# n& @+ q: s! z. b2 v( V) _
- yc=sinf(360*n*t)*d1/2" v" ^# m; r+ Y: k
- zc=t*px*n1 j& g) r( ^ d& L( R r( t
- pt(i)=point/xc,yc,zc) {6 q9 `9 H, D! O
- if/t<1,jump/str1:! q9 [7 w$ d& F
* ~8 y* {2 S g- j$ N, u2 q- blank/pt(1..i)
% {' ?1 ?$ g/ n0 k, A4 p
9 Q. j! F+ l- H# l( [% b; M- SPL=spline/pt(1..i)
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- $$生成B-曲面。$ y1 d. k0 E% M7 }5 o
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- obj1=bsurf/swpsrf,tracrv,SPL,gencrv,ln1[,ORIENT∣,zc∣]
, U% J# y0 ~# C j: _7 v' F - obj2=bsurf/swpsrf,tracrv,SPL,gencrv,ln2[,ORIENT∣,zc∣]# q8 n$ o$ i8 `4 h! ~
- obj3=bsurf/swpsrf,tracrv,SPL,gencrv,ln3[,ORIENT∣,zc∣]
1 v3 T+ y" r+ }* t/ C; D - obj4=bsurf/swpsrf,tracrv,SPL,gencrv,ln4[,ORIENT∣,zc∣]5 j# M' ~+ C0 H/ o/ g) G" Q+ k1 E
- $$程序结束。
) y3 a% x5 ~& u0 k - trm:% o& v6 K5 k) x4 N
- halt3 c: d8 L% ~4 i- t; o- z
复制代码 找到了扫掠函数,但还是不怎么会用,我做的是蜗杆的扫掠,哪位大侠帮我看看问题在哪啊? |
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扫掠函数
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