|
楼主 |
发表于 2010-4-27 21:38
|
显示全部楼层
- NUMBER/m,z1,z2,d1,t,i $$模数=m,蜗杆头数=z1,蜗轮齿数=z2,分度圆直径=d1+ e; \! _. R' q% X6 I
- entity/cyl,pt1,pt2,pt3,pt4,ln1,ln2,ln3,ln4,pt(5001),SPL,obj1,obj2,obj3,obj4- f& h5 |; `7 j! T
- $$ 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
$ W" T) ?4 _* x' z - data/ha,1,c,0.2 $$ ha为齿顶高系数,c为径向间隙! o0 ?& d# u0 G5 G+ Z
- l10:7 }5 Y" V4 }0 l8 G
- PARAM/'阿基米德蜗杆','模数 m=',m,$7 e% w; R. w- {, X$ F
- '蜗杆头数 z1=',int,z1,$* H. Y% P0 w; B) k$ K/ J
- '蜗轮齿数z2=',int,z2,$$ g5 s% ^( ^; D" w
- '分度圆直径d1=',d1,respond, t* D4 h6 n. P: W
- JUMP/l10:,stop:,,respond
. F& C; f; o% s. V" N- ]$ q. f* [ - r=atanf(m*z1/d1) $$ r为导程角! J1 \3 s& [& y
- px=3.1416*m $$ px为齿距+ n( C' U. b" g9 g
- da1=d1+2*ha*m $$ da1为齿顶圆* m& f8 k, z" A8 U5 W; x$ A7 W
- df1=d1-2*(ha+c)*m $$ df1为齿根圆$ N/ H7 _- N ^1 I4 J6 Y3 y
- b1=2*m*sqrtf(z2+1) $$ b1为蜗杆齿宽(螺纹长度)* k% }: m4 ~2 c( ]% C5 ^0 i
- n=INTF(b1/px)+2 $$ n=螺旋线圈数
; O$ m- p/ y5 i d - cyl=solcyl/origin,0,0,px,height,b1,diamtr,da1,iferr,mark:
; x# U% L- B% ^8 P - mark:
% y- k* O& y: r3 f' l3 g+ _ - stop:
$ a, _. V3 R' @9 \# q; C6 }* @# T - pt1=POINT/df1/2,0,px/4-(d1-df1)/2*sinf(20)/cosf(20)
. P( p, m2 x( z$ y' \$ {2 D$ b- S - pt2=POINT/df1/2,0,(d1-df1)/2*sinf(20)/cosf(20)-px/4
' h* ?# ?7 q' O; h6 `6 Z" k - pt3=POINT/(da1+0.1)/2,0,px/4+(da1-d1+0.1)/2*sinf(20)/cosf(20)
; Q! u2 e% P& {% ]2 P - pt4=POINT/(da1+0.1)/2,0,(d1-da1-0.1)/2*sinf(20)/cosf(20)-px/4; T; T" G4 p8 I" M7 \
- ln1=LINE/pt1,pt2
1 x+ k! a: O1 K+ R( e& h8 D# d - ln2=LINE/pt3,pt4
1 j3 o3 Y5 m& M3 @- p- C. M - ln3=LINE/pt1,pt3
: c$ E3 p+ [9 ]3 |! V/ O- Q! t - ln4=LINE/pt2,pt4
& q4 ?& O% { b) h! D - i=0
* u( Q0 `/ w6 w0 w! L% q# g3 n - str1:% d3 ~) m+ O3 A4 |" O! z% n, h- F( M
- i=i+1 $$取i个拟合点+ w c$ p/ I$ Q9 T* d! I1 Y
- t=(i-1)/5000 $$ t取0~1+ P: t: B; n# h. r% p
- xc=cosf(360*n*t)*d1/20 E6 C" J0 h6 }) g( I P& j' U
- yc=sinf(360*n*t)*d1/2. h7 ? }) |/ t! T6 {9 W
- zc=t*px*n! V$ e8 L( V8 t* j! j% I$ c4 X
- pt(i)=point/xc,yc,zc$ Z4 I% Y/ c8 Y
- if/t<1,jump/str1:3 ~" S9 q8 M8 ]
: G- ^ F- V* ~0 a2 e* L- ~3 H# o- blank/pt(1..i)& _, ?! k, i5 G
' G2 n* T* X: R! z- SPL=spline/pt(1..i)' v) H5 Y4 Q( u L" R
! y! V! c7 q4 P- V4 m* a* A; ~+ w- $$生成B-曲面。
7 h) n: \" V! p% X0 ?: X1 f7 B
( m% a. {# }7 q; A6 ?9 c2 C- obj1=bsurf/swpsrf,tracrv,SPL,gencrv,ln1[,ORIENT∣,zc∣]
8 P& j& p( H3 b% X: F/ q$ d0 v5 M - obj2=bsurf/swpsrf,tracrv,SPL,gencrv,ln2[,ORIENT∣,zc∣]( P# N; j6 P$ ^7 T! Q- m
- obj3=bsurf/swpsrf,tracrv,SPL,gencrv,ln3[,ORIENT∣,zc∣] ]+ {5 R% Z; o7 s0 L3 n" d
- obj4=bsurf/swpsrf,tracrv,SPL,gencrv,ln4[,ORIENT∣,zc∣] o0 P$ z5 ^0 \5 P3 k# M) K
- $$程序结束。0 i# b$ m$ }! ^, Q1 e# J# Z+ b
- trm:2 w N2 @5 V4 S- k
- halt
# K' \/ p# Y; r8 m
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? |
-
扫掠函数
|