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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
/ k. i, n# `/ V9 K3 X0 h% p(defun c:gear(/)
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; k' c/ ]# w! M6 w8 ~2 L setq6 \: a2 H0 E, q) S8 [! ?
p0 (getpoint"输入齿轮中心p0: ") {/ B6 H. l0 |8 e$ r
m (getreal"输入齿轮模数M: ")
/ j/ P6 ]/ Q% oz (getint"输入齿轮齿数Z: ")$ \4 \4 }, o$ ]7 W& O
ha 1
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a (/ pi 9)) h& j# R8 Z! J" w) g( l
ra(/ (* (+ z (+ ha ha)) m) 2)" C% I: }; J, K
rf(/ (* (- z (+ (+ ha ha) c)) m) 2)
5 l1 `% e0 ^* V) fr(/ ( * m z) 2)
, ]$ R5 ^8 |1 Q# t) c! d- @# \ yrb ( * r (cos a))& p8 r) P. \- {9 p0 ?( U
ri rb
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g (polar p0 ang rb), @% i/ e) G" o
)
" M! T i$ k6 P N(command "circle" p0 ra)( x! `7 y5 U% r2 B- `
(command "circle" p0 rf)
! P; g2 z2 w9 w) ?* I! r3 W U" U6 D(command "circle" p0 r)
3 M# @# ], K) ^7 x. h(command "line" g)' N6 z: _' a) }% j
& `) f6 c% v2 b8 l(while (< ri ra)6 F; h( S* E8 m
(setq) Z: I9 p3 i8 g9 f/ O) N
ang ( + ang(/ pi 360))
( M" U% O& D+ a) Iri ( / rb (cos ang))8 |# M' m* g8 O; E
cta ( - (/ (sin ang) (cos ang)) ang), S$ [; d4 g. N$ z2 p- {
g(polar p0 cta ri)
( X% V2 g5 Y+ n+ G& w* R. r)
0 A4 R0 C* b' f H, F(command g)
7 i8 F. ]# t k8 c3 ]+ e9 M& [)3 A9 f$ n* P8 S4 s# @
(command ) ! p. ^$ z6 ?' @! Q6 [
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