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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5 E; P7 T# e# p" ^5 n
(defun c:gear(/)0 n i# `) Q9 X
(6 Q3 O! u2 |$ M8 T
setq
1 l: P; D& {5 xp0 (getpoint"输入齿轮中心p0: ")# e' g$ I, U- S& d& H+ w6 O
m (getreal"输入齿轮模数M: ")
# c. Q. c$ `2 {0 A5 p% Mz (getint"输入齿轮齿数Z: ")# Y3 i" \: ?( o6 u6 a _& Y* b2 }
ha 1+ p I* d( U# L; l$ h
c 0.25
( f! M+ n$ w. Y8 Q8 ga (/ pi 9)
3 @( v" ]: }2 b0 }' u3 yra(/ (* (+ z (+ ha ha)) m) 2)
. A1 w4 m% T( b$ |/ }* t, m; M/ ~( arf(/ (* (- z (+ (+ ha ha) c)) m) 2)
2 C3 n8 p9 ]) ^" e/ v' J0 nr(/ ( * m z) 2) W1 s0 {& ?6 l# {( q
rb ( * r (cos a))
1 g/ ~. x* l+ O5 \1 Yri rb
6 ~3 k3 y# E2 @* oang 0. t' B' C7 T2 G! |
g (polar p0 ang rb)
0 m/ N# e; E! ~)1 Q3 w+ l5 ?6 @% B; R
(command "circle" p0 ra)
: O! d9 x0 q2 @ u(command "circle" p0 rf)
* T" t: B, N9 H; ~6 t0 ?(command "circle" p0 r)
: P* l l& B. y, m8 G(command "line" g)
: w8 w' f: H& L8 F% d S / y1 m# U, U* N
(while (< ri ra)& o% ^0 k# z0 V0 D
(setq g" [% @6 z: c3 }5 g
ang ( + ang(/ pi 360))
9 G6 a S3 R4 e j7 Pri ( / rb (cos ang))
6 c7 k7 T7 N/ scta ( - (/ (sin ang) (cos ang)) ang)
9 k f+ }4 E7 L! m( eg(polar p0 cta ri)8 V, S+ r2 Z: [5 L7 C4 A
)
: N# x5 P. G! M9 j# ]( t/ P% d(command g)
( } B e$ m* g P$ ?: _7 \)
+ |, |0 f( X1 G: ^% P% H! M(command )
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