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把下面的文字放到一个文本格式的文件夹里，然后把它复制到CAD安装目录下就行
; `- r4 u0 }% k" A3 O4 h9 l;;;-----------弹簧的程序---------- 3 `) {4 y x0 p
(defun c:spring(/) 2 g; @5 u; F; o: {, S
(setq p1(getpoint "请指定螺旋线基点:")) ! I( ~# G: A) }
(setq r(getreal "请输入弹簧平均半径:")) w3 I; o2 Q% {4 ]
(setq d0(getreal "请输入弹簧丝直径:")) 3 d) ~/ }' L( h, T/ }! Z8 L
(setq disp(getreal "请输入弹簧节距:"))
5 d5 t) D% ~/ D( V9 o( V (setq n0(getint "请输入弹簧工作圈数:")) , U7 q8 \: Y) b8 S
(setq n(getint "请输入每圈细化段数(16/20/24/28/32/36/40/48/52/56/60/100):")) `' i/ G+ _) Q( T
(setq n1(* 1.25 n)) ;支撑圈细化段数
" J5 e# [' p; Q* D# V (setq n1(fix n1))
( I- }2 |2 ^6 r0 s, O! r. n/ i (setq n2(* n0 n)) ;工作圈细化段数 1 W$ P9 U! G1 W. x+ ]
(setq delta(/ (* 2.0 pi) n)) ;单位转角
/ Y1 D! O9 I3 z& O+ t (setq j(/ disp n)) ;工作圈轴向位移量 . |7 A9 x. n. D" |# [6 \6 Y) v
(setq j0(/ d0 n)) ;支撑圈轴向位移量
! G: f( u. \6 m) A. n (setq bb(caddr p1)) ]2 C' ]9 j& N* ?, j
(setq ang 0) : ?2 B2 q" w! w
(setq jj 0)
% E5 Z$ V' T A0 r (command "ucs" "o" p1)
( G% R, ^- N" f1 r (setq pt1(list r 0 0))
7 c" T# c1 @# f (command "3dpoly" pt1) : y' a2 {9 e! E( ^+ H
(repeat n1 ;绘制下支撑圈
' a* n# A, y, t* Z6 s& I+ i (setq jj(+ jj 1)) / h2 k2 n+ I* C' v
(setq ang(+ delta ang))
- j- K* m1 m+ }# e$ d( z% L (setq pt(list (* r (cos ang)) (* r (sin ang)) (* j0 jj))) ' X/ n) d/ O8 c' M, w& }
(command pt)
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(setq p2(list 0 0 (* j0 jj)))
1 {4 Y" M4 P5 @- g0 y0 k (setq g1(* j0 jj)) ;下支撑圈高度
% ~0 k5 _3 D0 d! W1 T (setq jj 0) 4 B) g; i' k. s' b/ T- q6 N/ V' J
(repeat n2 ;绘制工作圈 % P6 l" `/ N6 t: I
(setq jj(+ jj 1))
1 X. H; b; k9 u N (setq ang(+ delta ang))
0 S* i' Z6 h: _9 C* J3 i0 ] s5 c (setq pt(list (* r (cos ang)) (* r (sin ang)) (+ g1 (* j jj))))
1 r0 T0 {6 X3 J* J; P% J3 ^ (command pt)
; P! @: J+ E. ]" b- t" D )
: S2 N- X, R/ K4 i0 r. P (setq p3(list 0 0 (* j jj)))
% P2 G, }+ B1 n, e) M7 k2 l (setq g2(* j jj)) ;工作圈高度
! [+ [- a, X3 g: f4 h (setq jj 0) ' f4 L. Q9 Q; a/ @
(repeat n1 ;绘制上支撑圈 + |! ^/ H& d8 q: Q
(setq jj(+ jj 1))
- ^$ i4 {0 Z' { v6 N% \: _' S (setq ang(+ delta ang)) 4 a3 d) h" O/ m; s3 Y: f3 E( T
(setq pt(list (* r (cos ang)) (* r (sin ang)) (+ g1 g2 (* j0 jj))))
8 b" ^' u. g5 T9 A0 B (command pt)
% r7 ^* P* x1 O8 N9 y5 G0 ` )
7 z% j% C5 c: r0 X/ u (setq g3(* j0 jj)) ;上支撑圈高度
. G6 d- g7 \+ s3 E9 t' r8 j (command "")
( B; c5 M! W9 U7 A0 B8 Y2 i; c (setq e1(entlast)) 6 U' T3 V. A+ Q% K) d( ^
(command "ucs" "x" "") ;拉伸弹簧 & Q9 C3 U. g1 }/ Y! l( r2 g" x4 j
(command "circle" pt1 (/ d0 2))
; D: }3 V* B/ e9 H$ Y8 r. t (setq e2(entlast))
% J6 v- P- }, L$ u7 V (command "extrude" e2 "" "p" e1) ! z1 t/ ^# S5 q2 M. U- T
(setq e3(entlast))
. z* Y! [" K. A* }0 A% t (setq pt2(list r (/ d0 4) 0)) ;磨平
: U7 K& N; L% }& j (setq py(+ g1 g2 g3 (- 0 (/ d0 4)))) 1 K$ W, W" ` X- Y- m& w2 k1 ~
(setq pt3(list (- 0 r) py 0)) $ I# K1 T4 ]1 g" U
(command "slice" e3 "" "zx" pt2 pt3)
, b, z* u' q- I2 L. u- l3 t' @+ N (command "slice" e3 "" "zx" pt3 pt2)
" Y* `$ ]+ k1 {9 U$ n- X+ ^ (command "ucs" "w")
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;;;---------end----------弹簧程序结束！ |
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发表于 2008-1-8 10:22
楼主