|
楼主 |
发表于 2010-4-27 21:38
|
显示全部楼层
- NUMBER/m,z1,z2,d1,t,i $$模数=m,蜗杆头数=z1,蜗轮齿数=z2,分度圆直径=d1
: K ?/ n/ [2 x5 Q4 N. g3 d( ~ - entity/cyl,pt1,pt2,pt3,pt4,ln1,ln2,ln3,ln4,pt(5001),SPL,obj1,obj2,obj3,obj4% {0 x$ N, J% q/ e3 A
- $$ 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- W8 K* ~) |9 I! B. @$ P
- data/ha,1,c,0.2 $$ ha为齿顶高系数,c为径向间隙
) Q; @# L0 U1 z( B9 u2 t. D) l+ v - l10:5 U' [& F, A6 O" \8 h
- PARAM/'阿基米德蜗杆','模数 m=',m,$- b. Z* f' V) U+ u7 h# x# [
- '蜗杆头数 z1=',int,z1,$3 x1 T, J4 @7 |: E. `# W0 G- \; C
- '蜗轮齿数z2=',int,z2,$
& o# r0 q6 \9 }" a, b - '分度圆直径d1=',d1,respond2 M9 w4 K. l, P
- JUMP/l10:,stop:,,respond9 c. L4 e- m% E7 U# \' f0 I
- r=atanf(m*z1/d1) $$ r为导程角
9 y, B2 K3 u' r- i/ P2 K* q - px=3.1416*m $$ px为齿距$ b; ^0 j- Q0 a/ ~, `/ e" u$ \* `
- da1=d1+2*ha*m $$ da1为齿顶圆 m7 z- U7 T' Z% g4 ~6 X- ~1 E5 @
- df1=d1-2*(ha+c)*m $$ df1为齿根圆
+ k5 m: N4 r {9 x, h, L* s - b1=2*m*sqrtf(z2+1) $$ b1为蜗杆齿宽(螺纹长度)9 h8 x8 f3 A( |
- n=INTF(b1/px)+2 $$ n=螺旋线圈数0 Q/ {5 D. X, V; F. p# T
- cyl=solcyl/origin,0,0,px,height,b1,diamtr,da1,iferr,mark:
. }6 x* y0 L& y& ^3 k# Y5 o" } - mark:
; K" Y, |6 L E c# \" { - stop:' c5 q6 U' i2 Q- L. A# X7 X
- pt1=POINT/df1/2,0,px/4-(d1-df1)/2*sinf(20)/cosf(20)9 {! J, U5 K+ r' |: C1 X
- pt2=POINT/df1/2,0,(d1-df1)/2*sinf(20)/cosf(20)-px/4
- b% j% v# L6 U- V% p - pt3=POINT/(da1+0.1)/2,0,px/4+(da1-d1+0.1)/2*sinf(20)/cosf(20)
; l& g' S u. i% N - pt4=POINT/(da1+0.1)/2,0,(d1-da1-0.1)/2*sinf(20)/cosf(20)-px/4
8 n) l: V9 l" g8 ]3 s+ x - ln1=LINE/pt1,pt2
' p4 b# i! J% j- | - ln2=LINE/pt3,pt4
) t: S* C! r: f6 H" d! P - ln3=LINE/pt1,pt3. J5 Y% L! a6 i7 N0 X- E c+ J
- ln4=LINE/pt2,pt4
) y- G$ r4 j2 B5 H - i=0
5 t6 b( ? @3 d% T - str1:' b9 `7 a& a. b3 ^
- i=i+1 $$取i个拟合点
% h$ c- G$ q( M5 b - t=(i-1)/5000 $$ t取0~1) g2 K1 W4 Y) U# A
- xc=cosf(360*n*t)*d1/2! M% C1 h+ E2 Q
- yc=sinf(360*n*t)*d1/2
9 H9 c6 s% A$ N" x& H0 B# p - zc=t*px*n
- g6 y; ?2 p8 F- _9 s; ^ - pt(i)=point/xc,yc,zc
9 z8 S6 R/ h& K) b3 z$ o - if/t<1,jump/str1:
. J7 h, u b' H3 O7 ~
" S$ t$ s& x, }! u9 g- blank/pt(1..i)
" P% e% e9 V1 C
5 u4 T4 j3 p- R- SPL=spline/pt(1..i)+ S9 c$ o) e8 Y
1 V! U- p7 |) T7 Y& @- $$生成B-曲面。
8 y- ~$ K. H( T& f( x7 U - , g) k! `7 S( O
- obj1=bsurf/swpsrf,tracrv,SPL,gencrv,ln1[,ORIENT∣,zc∣]) E$ I- p0 w9 L0 y" P9 ]4 N" d
- obj2=bsurf/swpsrf,tracrv,SPL,gencrv,ln2[,ORIENT∣,zc∣]
- o9 ^& Y+ Z7 B - obj3=bsurf/swpsrf,tracrv,SPL,gencrv,ln3[,ORIENT∣,zc∣]6 z& d4 J$ L" W; x6 y
- obj4=bsurf/swpsrf,tracrv,SPL,gencrv,ln4[,ORIENT∣,zc∣]4 k9 H6 Q7 P5 f2 g: `
- $$程序结束。$ T2 f3 N2 N4 \! H L' O* X
- trm:3 z# A L/ \" s$ i. x+ A8 ~
- halt; X Z% b6 U- q
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
|