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;;;-----------彈簧的程式---------- # ?( A/ ]- ?: o9 ~! ^5 e
(defun c:spring(/)
' M0 Y/ b$ `$ f% r(setq p1(getpoint "基點:"))
5 ^1 N, C5 ?! f. ]8 \6 x( ~9 S(setq r(getreal "平均半徑:")) 9 S2 d6 L: w, p1 f4 J
(setq d0(getreal "直徑:"))
( s& I+ W* r4 \0 v& |(setq disp(getreal "節距:")) # f W2 O5 P: u
(setq n0(getint "工作圈數:"))
( y9 |+ Q' F* x8 ?, i1 G* L(setq n(getint "細化段數(16/20/24/28/32/36/40/48/52/56/60/100):")) 5 v9 G+ p: N7 s- U0 T
(setq n1(* 1.25 n)) ;支撐圈細化段數 . |: o. c2 |. |: Y
(setq n1(fix n1))
( K) n& L# q/ n0 f5 _& `2 E% G(setq n2(* n0 n)) ;工作圈細化段數
/ J' U& e- ~3 _5 V7 A(setq delta(/ (* 2.0 pi) n)) ;單位轉角 2 o7 Y- T$ s% H j1 a7 ]9 b0 X
(setq j(/ disp n)) ;工作圈軸向位移量 3 I, r$ w" Q5 W2 A
(setq j0(/ d0 n)) ;支撐圈軸向位移量 2 a; @0 T) \6 r- h J" a+ x* Q
(setq bb(caddr p1))
: z) }" P* y" i$ m( z; a5 S7 B(setq ang 0) 5 U7 o) Y" t, N- b- [# C, R1 O
(setq jj 0) , n" I2 J: v2 d4 V: G
(command "ucs" "o" p1) 7 y/ f* l) _" @+ m0 m2 q" s
(setq pt1(list r 0 0)) 0 V1 F" w& S" ?- Q
(command "3dpoly" pt1) 1 K0 j9 f9 u/ W) J6 G5 A, e
(repeat n1 ;繪製下支撐圈 3 v8 O, t3 v+ s8 t
(setq jj(+ jj 1))
" N2 {2 ]! `0 f1 ^: X- j E% R3 O(setq ang(+ delta ang)) . B/ [: m7 G: ?) K
(setq pt(list (* r (cos ang)) (* r (sin ang)) (* j0 jj))) 4 E$ N& n! x+ J O; V7 U
(command pt)
. }' n" A; q% p* T8 D% A, k)
( k0 U' o7 ] k, Z5 I( ?(setq p2(list 0 0 (* j0 jj)))
# V9 c7 s% ~1 V0 k(setq g1(* j0 jj)) ;下支撐圈高度
@# L+ M+ q7 n- p3 i: \(setq jj 0) 0 d: Y, g* J# i
(repeat n2 ;繪製工作圈
+ ^4 t# B. E, D7 T6 t0 O* a(setq jj(+ jj 1)) . F* K; t! L+ }7 g
(setq ang(+ delta ang))
" {0 o: T) K, C0 S+ f% V$ S! f(setq pt(list (* r (cos ang)) (* r (sin ang)) (+ g1 (* j jj))))
8 c8 K/ [& _& A1 }! M6 s& F( [" u(command pt)
: E3 p+ N% K" b( R)
# r. L0 D/ @2 v0 Y; o(setq p3(list 0 0 (* j jj)))
$ Q+ O) S/ j7 N4 A- B' Y# R! \0 i(setq g2(* j jj)) ;工作圈高度 3 l+ c/ e& b. J$ s. H+ r% W
(setq jj 0) . ^2 _, F8 W* \3 C( @
(repeat n1 ;繪製上支撐圈
& |/ c0 n* Y+ a9 d* H5 w(setq jj(+ jj 1)) . w) Z0 A2 z! ^ h) S9 Q
(setq ang(+ delta ang)) 7 y0 _% t5 U1 R- M9 h g" P; F
(setq pt(list (* r (cos ang)) (* r (sin ang)) (+ g1 g2 (* j0 jj))))
6 ~* O8 l) j- J(command pt) 3 \# P$ |# M. p6 f4 i s! c# \8 y
) ) B1 p2 ^6 v' K2 p- W
(setq g3(* j0 jj)) ;上支撐圈高度 5 i* H$ G. e6 Y$ d; t3 @9 W
(command "") " m+ ]& D; l8 W5 D
(setq e1(entlast))
1 P5 q0 k; R* h% t; q5 l(command "ucs" "x" "") ;拉伸彈簧 8 A" |2 Q# `+ o9 \% |
(command "circle" pt1 (/ d0 2))
4 \: ~! {! K" c# i8 b, \6 {8 f* ~(setq e2(entlast))
4 [* N0 W1 `2 X7 W6 c- x(command "extrude" e2 "" "p" e1) 7 a. A" w+ z% n# a6 d1 D
(setq e3(entlast))
1 `9 N1 n3 W/ j(setq pt2(list r (/ d0 4) 0)) ;磨平 & T, W3 h% A4 R# m7 a
(setq py(+ g1 g2 g3 (- 0 (/ d0 4))))
' \# j$ G2 j9 l/ \3 H(setq pt3(list (- 0 r) py 0))
7 `- |8 N0 @, g(command "slice" e3 "" "zx" pt2 pt3) $ z1 z2 Q* _3 b
(command "slice" e3 "" "zx" pt3 pt2)
F+ ^# R2 v: L' }(command "ucs" "w") - o! E6 w% x3 d$ w0 q
* l* V4 I) i4 p1 g) `3 y)
3 a5 Q Q2 B+ |' e;;;---------end----------彈簧程式結束!
8 B2 V+ C: c1 g% }兄台把這個程序載入CAD就可以繪製3D彈簧了 |
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