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1、 编写一个AutoLISP程序,在给定的两条线间通过输入倒角角度及倒角距离生成一个倒角。' E; i, w4 a8 S$ @' L# K( `
(defun c:chamfer(/ d a)
" H, c9 r5 r1 E/ e2 w; G(setvar“cmdecho”0)
* S+ l% O" U2 r6 c2 g* c/ f(graphscr)
# E; x8 `) q; |' ^8 G(setq d(getdist“\n Enter chamfer distance:")) ) D! }, N2 E9 Q! N7 S b8 t2 {6 U
(setq a(getangle“\n Enter chamfer angle:"))9 x2 y/ z- \2 h+ r6 ^0 T
(setvar“chamfera”d)
4 ^6 K7 ?+ T7 ?: o& T; }$ v( b4 d(setvar“chamferb”( d(/sin a (cos a)))) & W4 S2 ], O& h; `- f
(Command“chamfer”) ; a+ o2 F% K9 D- E) _. h* [7 h: ?: ~
(setvar“cmdecho”l)
# o3 | R( ~# A& `% F8 g- @(princ): B' K% V; n/ Z% f* A9 F
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- ]/ v' x' c& G6 |2、编写一个AutoLISP程序,在给定的两条线间通过输入倒角角度及倒角距离生成一个倒角。
! ]& r! B, b% A# O2 S/ K7 a( h(defun c:chamfer(/ d a) " t6 \& A3 b T8 b k9 k8 w
(setvar“cmdecho”0) 2 j2 a) }5 z1 `6 k7 q5 b/ S: v
(graphscr)
# P; a$ V$ ^ {. Z(setq d(getdist“\n Enter chamfer distance:")) & n0 R. d. u1 b7 r/ a
(setq a(getangle“\n Enter chamfer angle:"))( e7 X3 `/ |& J2 ?4 V
(setvar“chamfera”d)
9 f. h {: Q Y(setvar“chamferb”( d(/sin a (cos a))))
: f A9 V- y# j. o(Command“chamfer”) ' L7 ]( X& x$ [& Z! ?: W
(setvar“cmdecho”l) / x5 ?* a9 m. p1 t
(princ)) s5 m5 }( \5 E
)
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6 ^8 d. K# _$ M3、编写一个AUtOLISP程序,生成一个带孔的法兰盘。程序还应提示用户输入该法兰盘的圆心、直径、孔径、孔数及起始角。" N' Q- j) i! R2 r8 m9 c; O
(defun c:bc1()
+ t' g* w, z) z( K, N1 e/ O D' u* @(graphscr)3 Y4 c9 V& l+ @* n6 u7 S$ a( J. M
(setvar“cmdecho"0)$ {. \5 E- h" d! {9 k% U/ V
(setq cr(getpoint“\n Enter center of Bolt-Circle:"))
' @ T5 S" F' k( x m(setq d(getdist“\n Dia of Bolt-Circle:”))+ e9 o3 c! a6 z) l5 |) X
(setq n(getint“\n Number of holes In Bolt-Circle:"))0 l' G& a& t3 W: P
(setq a(getangle“\n Enter start angle:”))2 X; S5 N- }5 c* t0 B {
(setq dh(getdist“\n Enter diameter of hole:”))" C7 F# Y5 q _5 Y5 B' p$ `* \5 A
(setq inc(/(* 2 pi)n))0 p. q. L1 Y0 e' D1 y
(setq ang 0)
7 x% k G+ [# Y' w: ?(set r(/ dh 2))5 u' j; a" ?% L" B
(While(< ang(* 2 pi))0 |0 f' v6 i2 I* m5 s! |( R
(setq P1(Polar cr(+ a inc)(d 2)))
* Z; A$ h( {0 n; Y/ s6 }+ w; Y" ?(command“circle” p1 r)
: a2 n9 E. A/ D- W(setq a(+ a inc))
; T# S7 I& b F7 A# y3 l(setq ang(+ ang inc))9 S7 [' ~0 s; K% \1 R" F
)( [4 Q( |1 @1 Q7 @4 S; e
(setvar“cmdecho” l)
" Q S1 {* E5 [* x(Princ)' e" [" z: s! N. v/ X- X3 H x& R
)
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4 {8 [; b8 K8 `4、圆柱螺旋弹簧(压簧)是将一个圆沿着一条三维螺旋线拉伸得到的。通过编程绘制三维螺旋线,尺寸如下:弹簧直径:10;弹簧丝径:1;弹簧节距:2;弹簧长度:20;每圈段数:32。
- j) h8 p+ N" X* @(defun c:spring(). \. n* X8 l: Y I
(setq bp(getpoint"\n弹簧中心点:"))(princ)
5 E3 v, @8 {; Z1 U2 d- b+ c) B0 j (setq dw(getreal"\n弹簧直径:"))(princ) r. }: v9 T: L6 g/ a5 S k0 G
(setq d(getreal"\n弹簧丝径:"))(princ)
) B& m6 k- a: M$ ^ (setq pitch(getreal"\n弹簧节距:"))(princ)
, D* K* I6 c/ Q0 g: R$ d (setq len(getreal"\n弹簧中长度:"))(princ)
" I) a% M! [6 X/ B (setq n(getint"\n弹簧段数:"))(princ)' E u$ f o6 J
(setq r(/ (- dw d) 2))2 r+ a4 W, O c Q4 v( V/ u
(setq m1(fix (* n 1.25)))
0 b8 I, P+ X& p, G (setq m0(fix (* n (/ (- len (* d 2)) pitch)))), p3 L+ T- o' n# T9 v
(setq delta(/ (* 2.0 pi) n))! M. p8 A! O& k9 Z8 u1 ?# g
(setq j0(/ pitch n))! A7 T7 e9 c- N3 u. \ n( z# @
(setq j1(/ d n))8 v4 z$ p9 T' g! [% M4 H
(setq bz(caddr bp))
( p$ ]* S5 o# r9 v (setq ang 0)7 e: b6 {5 J/ `. q0 O
(setq jj 0)
( |5 D- m n* l (command "UCS" "o" bp)
8 Y. X! Z j! ~ (command "3dpoly" (list r 0 0)) ~& S. W( R' e9 f) L5 A
(repeat m1) t. D% k& W: i' s# W; Y- S
(setq jj(+ jj 1))
) `4 y8 g6 m7 B3 q (setq ang(+ delta ang))" o8 s* l# C7 C0 I* p! \8 b {
(setq pt1(list (* r (cos ang)) (* r (sin ang)) (+ bz (* j1 jj))))
1 N" i, {, B: M9 r; } (command pt1)
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(setq bz(caddr pt1))
+ i* _8 ~: b: l( _0 x: e3 G (setq jj 0)% Q0 s3 ^ V& W, S
(repeat m08 Q7 |( L5 X1 n- z. D$ }
(setq jj (+ jj 1))
' c g" @% ]; I0 t5 b% H (setq ang(+ delta ang))' ~7 l; x: x& P+ T$ J0 w
(setq pt0(list (* r (cos ang)) (* r (sin ang)) (+ bz (* j0 jj))))3 @! F# ^3 Y/ n# G
(command pt0)6 C$ [: @% \% e# Z( Y/ S
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(setq bz(caddr pt0)). F% `6 v$ I4 C) l4 p3 Y
(setq jj 0)
/ W8 G: K# u6 ^% Q (repeat m1
3 i$ t/ I' N4 A) a0 I6 _ (setq jj(+ jj 1))
. V3 L: H: ^4 C, |1 t4 y' E (setq ang(+ delta ang))
- B6 n$ F7 j" Z( t9 J' R2 R. T# U$ x (setq pt2(list (* r (cos ang)) (* r (sin ang)) (+ bz (* j1 jj))))
+ S) y% [4 w0 f+ u9 H1 M, h# U1 h (command pt2)
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4 j( ~2 A% E3 a0 m' K% M& A9 { (command"")( u: D4 ~9 v$ L& X7 T* D8 m
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