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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
, x. H+ W+ A% e+ k5 }(defun c:gear(/)+ F( f* d$ @$ p5 d9 V$ B. }
(* W* @! v5 T+ l9 d5 ?
setq
" j% |0 l5 U }+ S) Fp0 (getpoint"输入齿轮中心p0: ")
: w! u' U4 L& c4 Q& C9 ^; Y+ v ?m (getreal"输入齿轮模数M: ")
, \. ~1 r4 I Y; h+ ez (getint"输入齿轮齿数Z: ")6 P8 L+ I% Q7 C; o
ha 11 ?8 |+ [. G! p3 w0 O
c 0.25
* s) ]4 m* v% z- R" C. ~( Ta (/ pi 9)& m1 W9 s v' X
ra(/ (* (+ z (+ ha ha)) m) 2)' |: E$ J* M$ W7 @# v
rf(/ (* (- z (+ (+ ha ha) c)) m) 2)
( @) t9 R) }) r8 U+ ~3 s) Ur(/ ( * m z) 2). z' z& T2 z. _+ Z- u6 D, Q
rb ( * r (cos a)) `+ O2 x) [% S4 w6 k3 J- n
ri rb+ j Y; w* j3 C- b' P& }
ang 01 N% V8 b8 W' c7 w- s) l
g (polar p0 ang rb)) q! W& Y* }& U- N# h1 f
)
4 z* a* b) {+ z; n8 U1 r% t(command "circle" p0 ra)
3 U) ]0 _2 A, R4 Z# x5 ?3 n(command "circle" p0 rf)
4 c& G9 q1 L- }3 X" O1 e3 m2 S: n(command "circle" p0 r)
+ p- n# m7 A9 W+ b(command "line" g)4 t; F- Y0 g, |
' j5 z- L! d3 [$ m
(while (< ri ra)
0 S/ ~! @& n: o% _(setq
7 d0 `" @. y7 @" n' Sang ( + ang(/ pi 360))/ X( L. C- m, {+ q: z
ri ( / rb (cos ang))2 J, d; E6 @. Y
cta ( - (/ (sin ang) (cos ang)) ang)
( R8 m! W" D' S: A9 R. T' v7 H+ ]* Pg(polar p0 cta ri)& b3 s) s$ L* C$ Z
)3 M3 r0 n7 s- w* P7 p9 L
(command g)
# F/ y9 d3 X9 L, v4 @)
9 \2 X3 n3 X+ X(command ) / B; n1 r! B! n( n4 |7 o
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