齿轮轮齿渐开线的autolsp源程序

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齿轮轮齿渐开渐开线
(defun c:gear(/)
(
setq
# h* C) F% G2 q* ]: b- X" t  m1 k3 lp0 (getpoint"输入齿轮中心p0: ")
m (getreal"输入齿轮模数M: ")
z (getint"输入齿轮齿数Z: ")
3 i: I) J' X  yha 1
c 0.25
: E' q6 Q4 J8 ~& W: n* ]% t+ fa (/ pi 9)
4 {& n5 Y: W9 x7 }, ]+ qra(/ (* (+ z (+ ha ha)) m) 2)
rf(/ (* (- z (+ (+ ha ha) c)) m) 2)
r(/ ( * m z) 2)
' R, p6 E  t, F& H' orb ( * r (cos a))
ri rb
ang 0
9 b, Q" I' I, H% U5 \0 ]g (polar p0 ang rb)
)
(command "circle" p0 ra)
(command "circle" p0 rf)
  x6 C+ x+ O, b$ \$ f5 N(command "circle" p0 r)
; D0 `! ?; ?: H7 V, u(command "line" g)
(while (< ri ra)
(setq
ang ( + ang(/ pi 360))
ri ( / rb (cos ang))
, F4 a1 N  i% A7 X3 e, R# J  o* Ncta ( - (/ (sin ang) (cos ang)) ang)
g(polar p0 cta ri)
)
(command g)
7 F# N) V* p: v0 X2 q5 q)
(command )
4 I- M5 B2 ^+ C' G* ^( ?2 K)
文章关键词： 齿轮轮齿渐开线