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发表于 2007-2-27 20:29:12
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来自： 中国辽宁
齿轮渐开线程序
齿轮轮齿渐开渐开线
6 Z+ v$ n8 h6 @3 p8 L7 B+ F(defun c:gear(/)
2 m) U6 o8 q3 _( o(
! b# b# F% j" p! i4 t) s3 O. r setq
% K. U1 v4 K. X5 b1 ^5 e: _+ kp0 (getpoint"输入齿轮中心p0: ")
, ]# d& A, V* Y5 u' S6 `m (getreal"输入齿轮模数M: ")
1 Y( h6 K. U$ o0 `- ?' ~) Qz (getint"输入齿轮齿数Z: ")- W8 p7 T7 S/ d0 r9 x# _- F
ha 1
5 K) Z0 P8 X/ U# t" {c 0.25) X4 F( f5 i3 S# U: ]; q' S
a (/ pi 9)9 V! R" R% B$ E4 D/ X
ra(/ (* (+ z (+ ha ha)) m) 2)' h6 I& }& A9 U1 e( L8 s
rf(/ (* (- z (+ (+ ha ha) c)) m) 2)
# h/ i% }5 a2 S# e0 ~! G+ W& sr(/ ( * m z) 2)
8 O( _2 S# D' Y3 A5 d4 s5 [rb ( * r (cos a))" a7 v& f- l' G4 }1 w$ l7 C
ri rb
& M% L- B# [1 v; c9 L: Jang 0+ M) q! u/ M: _* n. a' E
g (polar p0 ang rb)/ N2 `# ?; Z0 ~0 v
)
- W! K' C0 T+ z7 o(command "circle" p0 ra)
2 t8 C0 S* L" }0 \) @/ ^- K* u: O(command "circle" p0 rf)
3 F& {# X+ p, b* z5 T9 H5 U, Q6 S, M(command "circle" p0 r). i; ]% Q x4 D& K
(command "line" g)
" b% _4 ?, N& E ! d/ P+ X8 J- C/ f) v0 `) s
(while (< ri ra)( c3 |9 g9 _+ o5 W5 }
(setq5 d( x3 a# l3 r6 E! y; R& T
ang ( + ang(/ pi 360))
! f+ {. F% J$ F4 W: W; e) Sri ( / rb (cos ang))
$ v* z! {$ f; r" ^cta ( - (/ (sin ang) (cos ang)) ang)
" C! M* c4 [* J, T5 D: {g(polar p0 cta ri)
% W# [$ R2 U. U)+ u, j+ p& z% w8 K7 {" L5 g
(command g)
, K; ^ W$ t# Z7 v) q( R) w) T e)2 p7 c- ]" z5 U: K9 K
(command )
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