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;;;-----------彈簧的程式---------- - C9 ]$ s$ I0 ~$ p& G. W(defun c:spring(/)r: v4 m3 {$ ?% m (setq p1(getpoint "基點:")) - e. R5 _/ ~; [% t% i2 A(setq r(getreal "平均半徑:"))2 ?( E! s4 s- Z7 \, [# i. k5 p) \ (setq d0(getreal "直徑:"))8 \1 v# v+ x: p$ @! X, [3 w. `5 X (setq disp(getreal "節距:")) 7 x+ r! z& R: O" ?3 D, C# }(setq n0(getint "工作圈數:")) 7 i4 f5 k% V" C% V9 ~(setq n(getint "細化段數(16/20/24/28/32/36/40/48/52/56/60/100):")) 5 q2 H, A7 e0 }) o& Z( O" a(setq n1(* 1.25 n)) ;支撐圈細化段數 ' G: r# Y e4 |, g5 u(setq n1(fix n1))" h1 n* T. S6 U6 m1 i (setq n2(* n0 n)) ;工作圈細化段數 & E- Z1 \0 ]- V5 [(setq delta(/ (* 2.0 pi) n)) ;單位轉角( Y2 x2 _% S! J$ f" t (setq j(/ disp n)) ;工作圈軸向位移量6 Q) n4 K: A/ |' b (setq j0(/ d0 n)) ;支撐圈軸向位移量! s$ \# ~" @" b. X (setq bb(caddr p1))4 L; u# }! M& |/ O: A- _2 L (setq ang 0): p0 T% l) v6 L8 ?, c+ n+ F0 ] (setq jj 0)" _7 v; q, s/ M7 T (command "ucs" "o" p1); ~4 {& J" H0 D; ^$ T9 M' s4 n" c (setq pt1(list r 0 0))# A2 T& \3 X; \2 N1 |# M! ^: } (command "3dpoly" pt1)* v- S2 Q8 D5 x5 i( O (repeat n1 ;繪製下支撐圈 4 K8 p+ f1 N$ {* q f(setq jj(+ jj 1)) : R$ T' d' y: M0 ?9 ^( |2 v) D(setq ang(+ delta ang)) 2 V& y* Q. `0 q' [& k(setq pt(list (* r (cos ang)) (* r (sin ang)) (* j0 jj))) 0 B# s% u" b l, O9 B! ^8 d(command pt)1 e9 m7 k+ v2 y1 d9 v ) " v' e7 ^" D9 M/ K1 X& o(setq p2(list 0 0 (* j0 jj))) 6 f0 i4 _! o( O. T(setq g1(* j0 jj)) ;下支撐圈高度5 D4 W8 s5 C; R (setq jj 0) 8 C+ Y6 D; B7 x; B6 s, F+ | o7 k(repeat n2 ;繪製工作圈: j, R3 k1 [% e5 \' }* V- L6 _. p (setq jj(+ jj 1)) : w. W/ ~9 O; U9 j/ q- }(setq ang(+ delta ang))# W0 M! K, v. ]( ~/ ]: I* K (setq pt(list (* r (cos ang)) (* r (sin ang)) (+ g1 (* j jj)))) ^) z* v0 F9 X, h% R8 u, s(command pt)9 \7 }- C S9 X: S )6 \) e T1 o, v7 B) n6 e& w (setq p3(list 0 0 (* j jj)))b* K$ a. j/ |3 p (setq g2(* j jj)) ;工作圈高度8 i* s J# Z/ @, w$ D; n6 }6 d6 f1 V; J (setq jj 0)4 W. a5 P% y- R) g (repeat n1 ;繪製上支撐圈1 O' C$ c( O5 I4 K' Y (setq jj(+ jj 1)) . Z: R( I2 a3 Y" x% n2 @(setq ang(+ delta ang))! b8 E3 b g3 C, S! n$ U5 E Z (setq pt(list (* r (cos ang)) (* r (sin ang)) (+ g1 g2 (* j0 jj))))! B. O- G7 _& E( e, b/ o7 F* Z (command pt) 3 y# d6 r* U/ }9 a0 W: ?6 C) & |: ?$ O; h% C8 H/ @0 [5 _(setq g3(* j0 jj)) ;上支撐圈高度 ! r- m0 r& L1 g( Y* I( K(command "") # n% F2 D$ o; ]! r" B6 a6 ^(setq e1(entlast)) # ~# C/ ~, k( D) V; I- O& R(command "ucs" "x" "") ;拉伸彈簧 * d# o9 [5 r" c5 ^, ?- n9 W(command "circle" pt1 (/ d0 2))% Y# `# }2 z0 _' Z3 h4 p( X$ K# ^ (setq e2(entlast)); S) f5 T# ]9 E6 E7 [ (command "extrude" e2 "" "p" e1) % e) }, c( q$ k5 J(setq e3(entlast))* \6 e) n$ i! r5 N/ Y% [ (setq pt2(list r (/ d0 4) 0)) ;磨平 3 S0 i3 l. ^$ l/ ]0 Z1 f9 S1 c(setq py(+ g1 g2 g3 (- 0 (/ d0 4))))' ?4 G# w+ |- E b: L0 P (setq pt3(list (- 0 r) py 0)) Q4 U( m$ @3 K( W/ ^: b9 `' }(command "slice" e3 "" "zx" pt2 pt3)* {3 }7 Q. T6 s% A5 y (command "slice" e3 "" "zx" pt3 pt2)7 J) S5 O/ A' V: x# C2 T1 Q- x/ q (command "ucs" "w")/ N( b# |' k3 ~: s: d4 u2 X 2 d8 b1 k* [& a9 \" G. A ) ! {' e; u8 T; B) n3 ?;;;---------end----------彈簧程式結束!' e- t% W, r* O Z! r0 p" b& Y% B! M 兄台把這個程序載入CAD就可以繪製3D彈簧了 |
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