|
|
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6 J% \1 _& u( d0 R
;;;-----------弹簧的程序---------- " V4 Y9 M6 f6 I
(defun c:spring(/)
2 Z0 ]# D$ f O2 }% z1 n: o (setq p1(getpoint "请指定螺旋线基点:"))
, o+ V( ? }& W (setq r(getreal "请输入弹簧平均半径:")) : Q+ D. C& q9 f- \- J
(setq d0(getreal "请输入弹簧丝直径:")) 8 |- I" J3 v: k6 X9 M; S
(setq disp(getreal "请输入弹簧节距:"))
- a, _4 B" T& b$ m, e (setq n0(getint "请输入弹簧工作圈数:")) X% p" Z |4 E; Z! @; _
(setq n(getint "请输入每圈细化段数(16/20/24/28/32/36/40/48/52/56/60/100):")) 2 t9 M" o6 g9 _2 |
(setq n1(* 1.25 n)) ;支撑圈细化段数 : l! \* e9 z, X) r" B! `( _- ]9 B
(setq n1(fix n1))
7 s# ~& N9 H9 T (setq n2(* n0 n)) ;工作圈细化段数
- \2 S2 m7 ] {: K7 w$ p (setq delta(/ (* 2.0 pi) n)) ;单位转角 + x2 G( G" `9 Q
(setq j(/ disp n)) ;工作圈轴向位移量 2 o; b5 O" I0 ] y5 \: I* T
(setq j0(/ d0 n)) ;支撑圈轴向位移量 3 p: y; b* S# w t
(setq bb(caddr p1))
! t$ e! v+ R+ o (setq ang 0) 9 W2 g4 y) q* W* y! i
(setq jj 0) 3 j4 j3 E2 m$ [; N# p& S
(command "ucs" "o" p1) * ?5 b3 {5 |9 C1 F, q3 P( _# K
(setq pt1(list r 0 0))
) d! ]% l+ N( V/ h2 G- [& h' j (command "3dpoly" pt1) " p, j5 L1 b0 @! D0 [
(repeat n1 ;绘制下支撑圈 . {, p+ y5 V- `1 C7 O' W
(setq jj(+ jj 1))
3 ]& U4 g- E1 b (setq ang(+ delta ang)) , `6 J7 A1 Z& x' \" _) F5 E0 ^* `
(setq pt(list (* r (cos ang)) (* r (sin ang)) (* j0 jj))) 4 t r8 H+ b0 n# @- A# I7 _ \
(command pt)
$ H& ]" _! m% P4 ]* k )
% Q7 n/ W) i: X (setq p2(list 0 0 (* j0 jj)))
) e) h( T& \* K3 h& H (setq g1(* j0 jj)) ;下支撑圈高度 3 O2 f$ l( m. P) o, A, n
(setq jj 0) + G' D* g5 \$ H! _
(repeat n2 ;绘制工作圈 # d; {9 g" k" v8 z5 F+ ]
(setq jj(+ jj 1))
) c. @; n+ p z% {# E (setq ang(+ delta ang))
) V, {6 d6 b+ @7 M1 C; @+ x# L (setq pt(list (* r (cos ang)) (* r (sin ang)) (+ g1 (* j jj))))
, o' P) V. P+ w/ x* ]' g8 X (command pt)
1 b9 z# m1 |' c: T7 D! ` )
2 T4 I# E9 U9 H+ M- u7 T4 r (setq p3(list 0 0 (* j jj)))
* v. h/ K% E# g& U& r (setq g2(* j jj)) ;工作圈高度
! C" M- l2 Y) r9 `* V (setq jj 0) 7 F+ W9 y; M9 n- h& ?. V, b' ~
(repeat n1 ;绘制上支撑圈
- I/ [* z5 \5 I3 M) u+ s (setq jj(+ jj 1))
' w; k1 w! H, b; J4 d5 r1 l p0 k (setq ang(+ delta ang))
* U! P$ k1 L, K" L) ?$ X (setq pt(list (* r (cos ang)) (* r (sin ang)) (+ g1 g2 (* j0 jj))))
0 p' ?1 V. y; ]2 c/ M8 R (command pt) 1 M) R" f0 r |2 A( M C3 W
)
6 q; B2 E& z3 x' c3 n8 Z (setq g3(* j0 jj)) ;上支撑圈高度
8 L) S" W$ \/ r% V (command "") & ]. P% U, v) ]( P* s7 V9 A! i
(setq e1(entlast))
$ b: v# q# M* d) a3 Q3 g: U (command "ucs" "x" "") ;拉伸弹簧 + u. k- V- N/ i" C1 w; S
(command "circle" pt1 (/ d0 2)) d% |; u9 }6 ~: S/ W0 ]) y& R% J
(setq e2(entlast)) $ U% V, t5 j! ?5 ], J+ K
(command "extrude" e2 "" "p" e1) 7 P2 m4 v2 V4 ]# P L* s* V) {
(setq e3(entlast)) $ E: _. ?" K9 F
(setq pt2(list r (/ d0 4) 0)) ;磨平
; \8 T0 L/ o& Z/ Z% k# ~, l7 M (setq py(+ g1 g2 g3 (- 0 (/ d0 4))))
& s1 K+ _4 F# T- Y2 f6 Q. o& b (setq pt3(list (- 0 r) py 0)) , N' U* v' t3 a9 ~3 M. s6 R
(command "slice" e3 "" "zx" pt2 pt3) : I, R3 H. K, z' r$ S- |( q
(command "slice" e3 "" "zx" pt3 pt2) $ S' Y4 X% {8 G8 P: g
(command "ucs" "w") ' B6 g; ? E K
( o. f6 d4 t+ n8 E
) : ~5 L0 Y1 B, g7 I
;;;---------end----------弹簧程序结束！ |
|
发表于 2008-1-8 10:22
楼主