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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。5 B4 J) A; e+ O7 ?" a
(defun c:chamfer(/ d a)
3 Z' ?: z/ z+ ?# i6 c) D(setvar“cmdecho”0)
* p, V+ L7 u- Z0 u4 z. I(graphscr)
5 w' m, X; z' v% s, L5 `(setq d(getdist“\n Enter chamfer distance:")) * R9 _' G" X _* ^
(setq a(getangle“\n Enter chamfer angle:"))
5 w3 z, b" O9 Y/ U& b; n- G) a5 |(setvar“chamfera”d)& X4 H+ r% Q3 n+ t1 @. \% H
(setvar“chamferb”( d(/sin a (cos a))))
6 V, C+ _3 s- W: B' \9 [* Q" f(Command“chamfer”)
# I% T( y) r2 W* a# I f(setvar“cmdecho”l)
0 g- o7 T# Q: N ~; c(princ). ~* y+ `. _/ a, w5 Q6 h
)
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. m. L1 k! O% H/ X' [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。* Y- T5 y0 {: S! g- f+ e( x7 e# F# ~
(defun c:chamfer(/ d a) , C' D/ |9 D! U, A' T# c
(setvar“cmdecho”0)
6 y! q/ |; G3 P' Z& y: g) M(graphscr)
5 |' M! m: X7 H3 m' s(setq d(getdist“\n Enter chamfer distance:")) u0 Y7 S. j# v
(setq a(getangle“\n Enter chamfer angle:"))( O- r3 U6 B- m. n2 U+ w8 K9 x
(setvar“chamfera”d)
' E5 Q4 L: N1 x! ]3 p/ {4 t$ l(setvar“chamferb”( d(/sin a (cos a)))) 6 R+ o& ` @$ n0 w2 {
(Command“chamfer”) Q/ H: U8 s# X3 ~8 G5 c; _
(setvar“cmdecho”l)
1 k, ~9 f6 T6 q+ ]+ e N% B+ U0 Y(princ)
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3 S/ e7 D! O# c. I; q3、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。' H* e. {( B7 [& _4 [1 A
(defun c:bc1()
* S( p( y& Q* N, k% q. M(graphscr)
4 X- `! k7 k& |9 ~6 R% l(setvar“cmdecho"0)
3 w& d5 g0 w- o# }(setq cr(getpoint“\n Enter center of Bolt-Circle:"))8 {) o5 b, [( s: i& L9 |9 d
(setq d(getdist“\n Dia of Bolt-Circle:”))6 X, v+ W7 i, ]
(setq n(getint“\n Number of holes In Bolt-Circle:"))
- W. j1 Z. v% L; B* Y6 \! [) p4 F% ?(setq a(getangle“\n Enter start angle:”))
5 |) w( T# P/ m* [" Q9 j(setq dh(getdist“\n Enter diameter of hole:”))
- m; ~! ^0 g" Y/ Z(setq inc(/(* 2 pi)n))" B; N; y, X* s m
(setq ang 0)
- S$ @$ ?- U; ]- g7 p% i(set r(/ dh 2))
( I- E/ A, k a ^+ ^( }# `(While(< ang(* 2 pi))- n: X; B3 w7 f6 H$ @# c3 {
(setq P1(Polar cr(+ a inc)(d 2)))- Q" Y4 \* ^5 w( Q( k( z# v% v# T
(command“circle” p1 r)2 R& c+ c4 p2 B8 D. k
(setq a(+ a inc))
( T# V( u9 |/ s* Z(setq ang(+ ang inc))9 n1 @4 c& n; ~+ V; E
)
|% j' f6 B2 ~9 F1 x3 M- i(setvar“cmdecho” l)
3 |" O+ V. p% A- d# f$ y; H(Princ)
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: X9 a% _# a$ X. j4、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。2 D5 p" M6 F' C# L
(defun c:spring()
) R @+ J+ F( T- \) v/ P) y (setq bp(getpoint"\n弹簧中心点:"))(princ)
) q4 \: ^7 H7 ~& _ (setq dw(getreal"\n弹簧直径:"))(princ)
9 @& w* \0 r4 I5 h* ^1 Z+ h (setq d(getreal"\n弹簧丝径:"))(princ)3 S$ D* P" Z" {
(setq pitch(getreal"\n弹簧节距:"))(princ)
; G3 i9 u6 y; t* A (setq len(getreal"\n弹簧中长度:"))(princ)
. _; k+ m1 c* i+ A (setq n(getint"\n弹簧段数:"))(princ)
1 f. J, z; i% d8 L0 ^- K (setq r(/ (- dw d) 2))$ k2 N4 P M% |
(setq m1(fix (* n 1.25)))7 ]3 M7 u6 t* `
(setq m0(fix (* n (/ (- len (* d 2)) pitch))))
9 f( L. Q' J- Z' w5 G. Z (setq delta(/ (* 2.0 pi) n))
' b" b% A/ W# s/ Y' C0 F (setq j0(/ pitch n))
- G/ Y h3 f& W9 G: G, h) s- s (setq j1(/ d n))
5 |/ T" T# Q+ m) s* N: Q. t( o6 j (setq bz(caddr bp))3 `. g6 U+ y) w- f. r$ `7 z
(setq ang 0)# [9 \5 z" p6 i
(setq jj 0)8 p9 L: V4 V' Q* S3 M
(command "UCS" "o" bp). X0 T) H0 E; n5 P
(command "3dpoly" (list r 0 0))9 } ]7 P5 j1 J( E# ?# b
(repeat m1
+ F1 L& K- r5 R S, B4 C: J (setq jj(+ jj 1))9 }8 A8 Q4 d6 Z5 S# i
(setq ang(+ delta ang))
" j6 x; r( e9 m8 a (setq pt1(list (* r (cos ang)) (* r (sin ang)) (+ bz (* j1 jj))))
6 ~) o: [. j E1 e (command pt1)( }2 k4 o3 j$ q& n, `
)
( ~9 |; e: F" E A# _ (setq bz(caddr pt1))
, W& t) k+ y/ @ (setq jj 0)
1 g! j* t" n. S8 r5 @1 J& }; q (repeat m0' F8 ^) m0 _, h: k
(setq jj (+ jj 1))$ G B! ]! m+ Z8 Y6 k
(setq ang(+ delta ang))7 r* [1 C* L. @% v7 L* i
(setq pt0(list (* r (cos ang)) (* r (sin ang)) (+ bz (* j0 jj))))& H* b- A, h6 i# E: S" |7 H/ ], L. Y& y
(command pt0)2 ^2 {0 U" C# k5 \
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(setq bz(caddr pt0))
" }. T: Y N$ e* H0 { (setq jj 0)
9 }8 F& r% }1 ^" { (repeat m1
4 O5 u# i1 K6 |9 Q; |1 w' B (setq jj(+ jj 1))6 m6 t8 d" `+ d: G" y2 H( Q
(setq ang(+ delta ang))& i+ i/ F7 C: U# d' x0 g
(setq pt2(list (* r (cos ang)) (* r (sin ang)) (+ bz (* j1 jj))))
! N' U9 ` I; y, x; k) c' Z2 d7 ~ (command pt2), H- m3 s; y% @4 M: X) _! R, Q- w
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(command"")& u# L z* [. W% k @( v6 S
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