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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! m! X) C D0 H, Q; {6 o
;;;-----------弹簧的程序---------- 1 H z9 G' J) B3 V
(defun c:spring(/)
7 [/ E( e; r) \. y1 k y5 q" L# ~2 W (setq p1(getpoint "请指定螺旋线基点:"))
6 t: q4 p0 d, g* Y' b0 x' N (setq r(getreal "请输入弹簧平均半径:")) 2 i7 o; I7 t5 |8 N8 P, G( U) \3 k
(setq d0(getreal "请输入弹簧丝直径:"))
/ j* Z2 w3 T4 R (setq disp(getreal "请输入弹簧节距:"))
6 W' p3 ]1 z/ h2 Q4 e. [; E (setq n0(getint "请输入弹簧工作圈数:")) 6 S) S3 V3 W/ `
(setq n(getint "请输入每圈细化段数(16/20/24/28/32/36/40/48/52/56/60/100):")) " S1 U- S0 N$ K, ^( h9 z+ J3 |
(setq n1(* 1.25 n)) ;支撑圈细化段数 ) T7 b7 I. ~, w8 _
(setq n1(fix n1)) 7 T: D, I; Y; x3 `* i
(setq n2(* n0 n)) ;工作圈细化段数
8 Z. \$ \; M4 D4 _$ l/ O C (setq delta(/ (* 2.0 pi) n)) ;单位转角 4 z* F# u, C1 u
(setq j(/ disp n)) ;工作圈轴向位移量
: r6 {' J8 z$ W" {% G9 g (setq j0(/ d0 n)) ;支撑圈轴向位移量 & a: o% S0 [' C( {+ v
(setq bb(caddr p1)) & N0 ~$ u i3 h. K8 t
(setq ang 0) 9 I2 m4 C4 p" R
(setq jj 0)
, q2 b, ]; C( J: E/ Z I (command "ucs" "o" p1)
6 r8 H7 f1 |2 F (setq pt1(list r 0 0)) , h' u% A- h9 A4 D2 L; J& q" o
(command "3dpoly" pt1) ( S; Q8 y9 c7 q9 Z
(repeat n1 ;绘制下支撑圈 4 n N- ^7 w9 J9 z
(setq jj(+ jj 1)) # | C# O. H( @# d; w
(setq ang(+ delta ang)) 5 \# B9 k3 a# J, ]/ F& O
(setq pt(list (* r (cos ang)) (* r (sin ang)) (* j0 jj))) 5 p$ S( X1 k# `& |+ o
(command pt) " c; W* T- z0 Z2 q& W8 h7 j, T
) % Z9 a/ _! P& X
(setq p2(list 0 0 (* j0 jj)))
7 {4 y# x/ M, m( K+ m/ N4 e; n (setq g1(* j0 jj)) ;下支撑圈高度 * o5 x" \. X2 U0 J" q
(setq jj 0)
6 F! u' r: `! N2 m (repeat n2 ;绘制工作圈 * R9 b" b* V( E9 {' W1 @
(setq jj(+ jj 1)) + `- [9 P+ a& b/ q; D( I
(setq ang(+ delta ang)) * Q5 d' P: W( ]. S' x( x$ `
(setq pt(list (* r (cos ang)) (* r (sin ang)) (+ g1 (* j jj))))
3 S- t/ Z' {4 V! K8 l. D (command pt)
x2 o) q9 u, d7 E1 |6 i \& X# G )
( i3 a2 ~1 q3 Q* Z/ O (setq p3(list 0 0 (* j jj)))
% d0 T( q x9 S (setq g2(* j jj)) ;工作圈高度
/ n5 K* {5 M0 j5 T* T& B' e% l$ P: A (setq jj 0) + X7 s! S2 X2 ]
(repeat n1 ;绘制上支撑圈
8 }0 ~! [) S: H: q/ F" l" d' S/ n (setq jj(+ jj 1)) + g* R) ~ e, L. U0 W
(setq ang(+ delta ang)) + N- T( r# m) t. J+ @6 l$ n
(setq pt(list (* r (cos ang)) (* r (sin ang)) (+ g1 g2 (* j0 jj)))) / I9 X% R) K- C0 K
(command pt) * A0 e" Z' A6 C
)
& [% F: `- f5 t# y9 M (setq g3(* j0 jj)) ;上支撑圈高度 : r. z7 i- p. g+ z0 \
(command "") 8 K: v# a9 c( F! r$ u+ ]
(setq e1(entlast)) / x* ^9 j8 ~1 w! }" L
(command "ucs" "x" "") ;拉伸弹簧
% @4 B( `6 |2 @& v* t (command "circle" pt1 (/ d0 2))
! s: q+ M7 J& k+ u- u1 e& Z& C (setq e2(entlast))
: j8 A9 \* J9 d+ p L (command "extrude" e2 "" "p" e1) 1 C, G$ _7 D$ p( c6 I: W
(setq e3(entlast))
- ?! X1 [' z1 C9 Z (setq pt2(list r (/ d0 4) 0)) ;磨平 . E+ S4 V1 Q, k% n8 D9 _2 C. y Y" X
(setq py(+ g1 g2 g3 (- 0 (/ d0 4)))) ) N, H+ M# c9 V8 ^% a, D1 v* Q
(setq pt3(list (- 0 r) py 0)) # o8 d1 B; ~3 O' a& h2 m% }& A
(command "slice" e3 "" "zx" pt2 pt3) $ [- m4 i; P8 C1 E, h; U6 B
(command "slice" e3 "" "zx" pt3 pt2)
+ {- u4 N7 r$ ~ (command "ucs" "w") " R- Z- f/ C# `, N( d3 x v
& W6 H1 }% B3 W1 @ z' j) $ M9 v* d/ _9 ^" n6 l. M
;;;---------end----------弹簧程序结束！ |
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发表于 2008-1-8 10:22
楼主