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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。3 f% k2 | ^& f* [0 Q
(defun c:chamfer(/ d a) 3 @' {6 D6 a3 ?
(setvar“cmdecho”0)
# q1 ?% d1 {0 J o7 U$ ](graphscr) & O2 U9 `. x5 j- b. z6 |( [
(setq d(getdist“\n Enter chamfer distance:")) & a7 z7 f% d+ i2 [
(setq a(getangle“\n Enter chamfer angle:"))3 h+ y* E/ ~3 S, K
(setvar“chamfera”d)
# v7 t0 h5 l" d(setvar“chamferb”( d(/sin a (cos a))))
$ z7 @" k5 A' h) f0 U/ @ d(Command“chamfer”) $ ~- P5 y% e. L+ V1 l+ F
(setvar“cmdecho”l) # C- N Y6 B3 H/ i" _: i7 [* p
(princ)
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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* q# E) S+ w$ F0 K* v
(defun c:chamfer(/ d a)
/ L Z: S" F4 ]- J(setvar“cmdecho”0)
* R% B" i. y# [(graphscr)
* h. k7 n' s' A- O# H: A1 t/ @(setq d(getdist“\n Enter chamfer distance:"))
7 R6 t6 h: M; e5 Z' K; V% M* j(setq a(getangle“\n Enter chamfer angle:"))* t; `; c$ j" t9 h
(setvar“chamfera”d)& X: K! I! f' D$ t- \7 J
(setvar“chamferb”( d(/sin a (cos a))))
8 k9 q# v5 c4 j* |: b. y: Y(Command“chamfer”)
w/ m8 T7 |' X' u1 c V(setvar“cmdecho”l)
3 b/ \5 A3 }$ c# X8 h) a(princ)- F- M' X; ^6 j8 K: R- I
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3、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。; z' n7 p( Y! Z g) S" O- o
(defun c:bc1()9 R/ y" n, y8 U% \
(graphscr)
7 n$ V! H _1 C, F9 V& a" {(setvar“cmdecho"0)! E7 g8 z8 M4 w g5 G
(setq cr(getpoint“\n Enter center of Bolt-Circle:"))
- @1 Q$ I% L9 m0 K" m(setq d(getdist“\n Dia of Bolt-Circle:”))
3 N) y( h# [0 J6 E(setq n(getint“\n Number of holes In Bolt-Circle:"))
2 e6 B4 [9 I; c" a2 T, w(setq a(getangle“\n Enter start angle:”)). ?7 K1 d$ f6 T1 \- Y
(setq dh(getdist“\n Enter diameter of hole:”))3 g" q# g( `" ^8 u; G
(setq inc(/(* 2 pi)n))/ @& l+ }, h$ }. }5 f" r" J
(setq ang 0)
* o# T+ Z% o* _5 o1 x(set r(/ dh 2))
5 {# \9 f" Y# |! f, O(While(< ang(* 2 pi))' U$ O9 n; X9 y4 u/ o' E. O
(setq P1(Polar cr(+ a inc)(d 2)))
, B9 ]# p: x4 ]# r6 M- p1 C(command“circle” p1 r)
6 q+ z5 k7 ~: T; M% O(setq a(+ a inc))
6 I( U$ |5 m/ k8 N) S1 @% v(setq ang(+ ang inc))
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(setvar“cmdecho” l)% `' \- _" l1 r3 O7 [1 q
(Princ)9 X7 m( F6 c; b2 e7 L
)
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* u7 a% G" F* ^+ w1 G1 U3 D4、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。8 _* d4 s. {% V" S, l& k, o
(defun c:spring()
* P9 L: {6 ]/ E0 { (setq bp(getpoint"\n弹簧中心点:"))(princ)' U. I( ~" u: l/ O; S
(setq dw(getreal"\n弹簧直径:"))(princ)- _; \1 n) F% }6 M0 w8 Q$ m# y
(setq d(getreal"\n弹簧丝径:"))(princ)( m# m& n( l( q; k6 v
(setq pitch(getreal"\n弹簧节距:"))(princ)/ w0 v; k2 X I4 x$ u
(setq len(getreal"\n弹簧中长度:"))(princ)$ x4 |3 v7 O4 [" w/ f/ I
(setq n(getint"\n弹簧段数:"))(princ)* O& q4 P3 g+ V$ S
(setq r(/ (- dw d) 2))
( ?+ _/ n( [- I$ l' Z (setq m1(fix (* n 1.25)))' e) R* M$ p! B% k, T5 ^
(setq m0(fix (* n (/ (- len (* d 2)) pitch)))). s+ f6 @3 o* `: O
(setq delta(/ (* 2.0 pi) n))
0 f) F& N$ M8 X9 f6 y: @* | x (setq j0(/ pitch n))
( o* ^" h) P! m" c (setq j1(/ d n))- e5 Z, E3 B" A ]
(setq bz(caddr bp))2 V6 M% y" s6 n& N! y+ O
(setq ang 0)
1 v! T, w. Y* r (setq jj 0)% e+ b# f2 N! D
(command "UCS" "o" bp)
& ?- d2 V2 [% z l0 \ (command "3dpoly" (list r 0 0)), b M4 C+ I1 f" H& |- A9 G1 A
(repeat m1
& M) C5 A* J$ p# ^ J- T4 X6 b/ Q (setq jj(+ jj 1))
3 `! E. C' e1 Y, a (setq ang(+ delta ang))
* V: x: f$ B7 m# k$ ` (setq pt1(list (* r (cos ang)) (* r (sin ang)) (+ bz (* j1 jj))))
4 U1 L; `* r; q+ U+ e% \) u' j (command pt1)
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(setq bz(caddr pt1))
+ k( T0 r# B( M (setq jj 0)( b2 `3 I0 V9 X! A" i2 L
(repeat m0) h1 `& ~# R- O% |$ x1 e
(setq jj (+ jj 1))8 G2 g3 ?3 J' Q& @9 N! W+ |
(setq ang(+ delta ang))
1 d. V) l4 n- a" m. ~! K; o5 ^ (setq pt0(list (* r (cos ang)) (* r (sin ang)) (+ bz (* j0 jj))))2 `4 y" R* s- {& h
(command pt0)
. ?' T& w9 X2 t1 N$ e. E8 v* \ )
% N# V b! c8 i# L (setq bz(caddr pt0))1 Y0 }) Y% Z1 N! A* c
(setq jj 0)
5 Q* Z! O& Z1 n3 ~" y w$ J; m) k" | (repeat m14 D$ `/ h& a! u# D. G
(setq jj(+ jj 1))
1 V+ l0 h$ K9 w$ X: N% E3 \ (setq ang(+ delta ang))
* m( I% m$ o6 f. H+ @! t, @8 g, X2 K9 ]/ n (setq pt2(list (* r (cos ang)) (* r (sin ang)) (+ bz (* j1 jj))))
) d* c2 p2 A2 k! W. P n1 C9 N/ W (command pt2)
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(command"")
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