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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
% m) T( t, ^. t" Y0 }(defun c:gear(/)
% e/ }- |8 M0 }/ W1 G(
/ j8 G' i3 n, Y! i setq
- o- a# w. B. H7 _+ \p0 (getpoint"输入齿轮中心p0: ")$ F6 I) _4 R( [7 |/ w* q; q' t3 S
m (getreal"输入齿轮模数M: ")
* P8 K( q$ Q& I7 R5 {# Gz (getint"输入齿轮齿数Z: ")
! b1 p: D5 {, Y3 cha 1, y/ v z4 ]$ b
c 0.25
) O/ y4 c9 s' Ya (/ pi 9)
- Z" k+ v6 c" f0 d0 L$ P6 ^$ Nra(/ (* (+ z (+ ha ha)) m) 2)# C7 Q6 t t; S
rf(/ (* (- z (+ (+ ha ha) c)) m) 2)
% X. O+ Y' x$ V0 jr(/ ( * m z) 2)
r( o2 V) J# a& Jrb ( * r (cos a))
+ b0 k, P% b# X1 C( Vri rb. G! K4 c& a3 t3 @; Q; p+ n: j
ang 0
2 b. m) [0 _' l2 z6 [. B5 q3 ?; xg (polar p0 ang rb)
( o! _8 G7 W- B$ u4 L)5 S' L/ F+ J9 ?3 O9 \
(command "circle" p0 ra)
9 _ Y* R4 j) C4 a, ~$ I(command "circle" p0 rf)
6 l* A9 R/ h3 L2 z8 ^: V) o) o(command "circle" p0 r)
# x3 w: O$ U% w(command "line" g)
0 f k& D4 E. l7 @: l% {, S/ X , g. B3 I6 w6 @
(while (< ri ra)
4 p+ h1 {: J1 o# Q: w(setq. @6 E% r) r3 x; K
ang ( + ang(/ pi 360))
% d7 k7 D/ P9 `9 _: ori ( / rb (cos ang))2 G0 Q& f' c, ^+ g: h/ k* J2 U
cta ( - (/ (sin ang) (cos ang)) ang)) _7 @6 D5 K1 s
g(polar p0 cta ri)( O) v7 ]% S7 P( @( r. @
)8 P& F; S6 a% M( E4 i0 |
(command g)$ h. k7 g6 H8 W- ]/ q1 p* K8 q9 _( Y
)" X6 `0 P# K8 R ?
(command )
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