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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。
1 C$ u4 R& X `! V6 |6 D0 ^, T(defun c:chamfer(/ d a) |8 l* }0 |% f: e' e
(setvar“cmdecho”0) 4 n' f" l \( f8 ]+ O- j' n1 U9 Y" R
(graphscr)
# ?5 v+ V. q/ }& K(setq d(getdist“\n Enter chamfer distance:"))
1 p- Q4 h" V& r& U4 f& n(setq a(getangle“\n Enter chamfer angle:"))
* G2 }# ?; u# k; b: e+ i1 J(setvar“chamfera”d)7 j4 p& ^+ s; N0 b
(setvar“chamferb”( d(/sin a (cos a))))
6 |7 t5 V/ \3 a' O(Command“chamfer”)
) i# g3 k+ |7 t9 n1 K(setvar“cmdecho”l)
; l5 c1 Q9 h! k(princ)5 p! W8 |8 r, ]" {3 U
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$ o" U8 W$ f3 y5 w. I$ I5 H2、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。7 [' S6 c* r e& y! z8 B
(defun c:chamfer(/ d a) 3 R3 T2 }/ ^2 R% ]
(setvar“cmdecho”0) + t! b( K. D1 N, B
(graphscr)
! K* g4 I* p# e0 N1 |(setq d(getdist“\n Enter chamfer distance:")) ( H4 d( _/ a6 n! k
(setq a(getangle“\n Enter chamfer angle:"))/ r! N0 d' s( {* b" P, H% {
(setvar“chamfera”d)
( c% m, e; \% z" G' d* p+ J2 u5 V(setvar“chamferb”( d(/sin a (cos a))))
: A& ?6 W! G% t, S- O9 y(Command“chamfer”)
) c& V: t( A5 F0 j(setvar“cmdecho”l) ( g7 J* h) o4 `4 c
(princ)' @! _' [' Q \+ e; |. A4 O3 Q1 q
)
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7 m1 r6 E) }* ]# D3、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。
) t% ]2 M; u: X Z7 R: J; w(defun c:bc1()
' X1 v0 w/ K1 V7 x. t' L(graphscr)2 n2 P! w K; }9 b5 M* X- h& A" `
(setvar“cmdecho"0)/ N6 `% o9 P7 N3 G" e3 ~
(setq cr(getpoint“\n Enter center of Bolt-Circle:"))) q6 f$ @, |( p& ~- q( X
(setq d(getdist“\n Dia of Bolt-Circle:”))
' x! b/ o5 }6 t) b: c# M(setq n(getint“\n Number of holes In Bolt-Circle:"))0 z! G. {$ |/ `2 x: l
(setq a(getangle“\n Enter start angle:”))4 U1 m* `" ?) D% y- n' Z
(setq dh(getdist“\n Enter diameter of hole:”))- B$ e6 c1 y9 D
(setq inc(/(* 2 pi)n))
( ]! `9 m- s; T; l: c(setq ang 0)3 B: [8 G3 T0 z$ K. j. E/ ^7 p F
(set r(/ dh 2)), `5 N- u" z8 Q+ U5 J! t! B
(While(< ang(* 2 pi))
( Q+ ^. e* ?; u5 U# M8 {(setq P1(Polar cr(+ a inc)(d 2)))
+ B" F: g4 t. J(command“circle” p1 r)
- K0 }2 u3 ~5 H2 o) i: N2 o(setq a(+ a inc))
2 O+ q! Y$ P+ y% g$ ~5 y: J(setq ang(+ ang inc))
+ N: D% @: ]0 V$ v& ^8 v- u9 [5 t); w I4 u2 w) x# p; U
(setvar“cmdecho” l)
: ~% s0 B D |( H- y3 t(Princ)- `, {- N+ H9 b: B6 h
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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。/ f8 G& S9 r3 O' E5 p# }# R
(defun c:spring()1 [. x+ g. s& S/ w) G, Y
(setq bp(getpoint"\n弹簧中心点:"))(princ)
6 ]) f7 w" z4 g) _3 V3 y/ x" ?. R (setq dw(getreal"\n弹簧直径:"))(princ)
# Q9 U/ ~( u0 A5 m (setq d(getreal"\n弹簧丝径:"))(princ)& b8 {% `9 q7 b" D0 |2 J; G6 c m
(setq pitch(getreal"\n弹簧节距:"))(princ)
3 o# I2 N' l6 s+ y8 G (setq len(getreal"\n弹簧中长度:"))(princ)/ Z3 {- U& Z6 }. U& }8 Y
(setq n(getint"\n弹簧段数:"))(princ)
4 l* @( _2 L- c3 E' T& y0 b; [ (setq r(/ (- dw d) 2))
. i) L4 Y) K% `6 ^9 H (setq m1(fix (* n 1.25)))2 X$ A( B, J0 }3 t
(setq m0(fix (* n (/ (- len (* d 2)) pitch))))
: c; k7 ]" l6 o. r0 E; C (setq delta(/ (* 2.0 pi) n))
, @" E. |5 n, Y (setq j0(/ pitch n))
6 C" P$ d- Y* m5 [8 b (setq j1(/ d n))6 c2 |$ u6 a9 z' t1 ]3 W+ O4 L) \1 ]
(setq bz(caddr bp)), O4 z. Y; x- v8 K8 L
(setq ang 0)1 [ O1 ^; B" q* y9 }
(setq jj 0)! v; Q& {) A6 N$ e3 X: p0 y
(command "UCS" "o" bp)
( k; v7 K9 b& y" R (command "3dpoly" (list r 0 0))8 X0 j v5 F' {4 @
(repeat m1, E( ^- v C+ F% M' w
(setq jj(+ jj 1))# O, u' O3 t: b9 _3 J
(setq ang(+ delta ang))9 H3 B9 k9 a0 M3 ]
(setq pt1(list (* r (cos ang)) (* r (sin ang)) (+ bz (* j1 jj))))# \8 |4 O7 o- s% f7 U0 t/ U
(command pt1). b- o# i4 a( \: V4 o* s9 W0 H6 A
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(setq bz(caddr pt1))
6 _% j& d3 N4 T (setq jj 0)1 { ~( h; D& k/ @* A2 l
(repeat m0) R, R4 ^ R4 W- d! A
(setq jj (+ jj 1))
7 i3 @7 L" n5 d (setq ang(+ delta ang))
' O& ?) G4 L4 _4 C (setq pt0(list (* r (cos ang)) (* r (sin ang)) (+ bz (* j0 jj))))0 ^# K* c, K+ y. Y0 B9 S% K
(command pt0)
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(setq bz(caddr pt0)); ^: t$ E- M6 P" g) b6 q; |+ Y
(setq jj 0)
: ?1 c' z9 e# T3 D (repeat m1; T4 i4 Z2 E+ T" y
(setq jj(+ jj 1))
R8 u& ]* G7 A, D (setq ang(+ delta ang))
$ D4 V( c: ~) i; {" c) _8 t (setq pt2(list (* r (cos ang)) (* r (sin ang)) (+ bz (* j1 jj))))
; i3 \1 u/ p9 s6 O( C3 K (command pt2)
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(command"")
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