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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
3 {& D+ v, J+ V9 h w5 N- _(defun c:gear(/)4 R/ G w1 L6 W) O
(- P ~( E5 r, b* h/ X; w& l2 e2 g; |
setq
4 e8 _/ ?9 Z: b( i; K; T# S3 ap0 (getpoint"输入齿轮中心p0: ")
, C ~' t6 d- Y, n9 ~m (getreal"输入齿轮模数M: ")
" F, ]/ b/ j3 i% |, @/ F' c" N. Mz (getint"输入齿轮齿数Z: ")
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c 0.25
7 E. F) p e I, Q2 N+ _a (/ pi 9)$ t H6 U" M/ ?2 O
ra(/ (* (+ z (+ ha ha)) m) 2)7 \$ b5 ^3 }+ B% T% k) l* V0 j
rf(/ (* (- z (+ (+ ha ha) c)) m) 2)
5 S+ @6 R% Q9 f$ n& l/ `( Jr(/ ( * m z) 2)
- A# \# W' \1 I5 @$ Jrb ( * r (cos a))9 z. G( a6 y6 `* p7 K3 Y
ri rb1 f4 P# V, n9 `7 l
ang 0
( G! s: {, V/ T. A! k8 `g (polar p0 ang rb)
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4 n* c' D1 C0 F E) l# Z(command "circle" p0 ra)0 I7 U K( g8 K% A. A
(command "circle" p0 rf)/ M( ]. j6 ?" k9 s `. k, I( J, c
(command "circle" p0 r)
4 m$ {3 F! j1 |; ?# g(command "line" g)
+ g: u- V W7 n
, Q* n. q' Q( F( W: R6 r! n6 R0 U& M(while (< ri ra)* q/ m _& u0 I& n+ U$ {
(setq
7 V0 [+ x9 R7 p/ |' @ang ( + ang(/ pi 360))$ R- ~8 T' |, I0 Y2 _
ri ( / rb (cos ang)). w' s: G! [* R( @2 m+ e0 t
cta ( - (/ (sin ang) (cos ang)) ang)
! O' v1 r' i: ?g(polar p0 cta ri)
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(command g)2 A8 s, r, A" U; P. F: L3 T0 X3 v
)7 Z- w6 b. }) Z# e+ r7 W Y
(command )
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