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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。7 L6 y6 L$ E) u7 k" }3 s
(defun c:chamfer(/ d a)
9 a3 M: l6 Q3 r9 U(setvar“cmdecho”0)
) [; P5 B x3 E+ X1 T' b, Z- Y(graphscr)
- L/ ~( k+ Y6 R& {/ n(setq d(getdist“\n Enter chamfer distance:"))
% k( W& N6 x I5 g: z2 O(setq a(getangle“\n Enter chamfer angle:"))
! c; z% E, E9 n q. |(setvar“chamfera”d)/ w! O/ a, ?4 x+ h+ f7 f; s
(setvar“chamferb”( d(/sin a (cos a)))) s0 h' O2 N1 Q. M/ v
(Command“chamfer”) 0 V# T' G! P9 l8 J( r1 r
(setvar“cmdecho”l) # L5 T c6 D1 \$ z0 l. q; Q, x8 [! y
(princ)
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s3 U. C' P+ J2 a E2 F2、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。
' k6 ~& I( J( A(defun c:chamfer(/ d a) / [3 x4 g. w1 k: m. e
(setvar“cmdecho”0)
5 ~" H2 ?2 L/ D1 v( @% K c(graphscr)
( ?3 [" G- s [7 N(setq d(getdist“\n Enter chamfer distance:"))
: o2 @) w- w( n: q7 r6 @1 o9 m1 L& b# v* m(setq a(getangle“\n Enter chamfer angle:"))9 M$ Q4 R8 v4 {& Z% t
(setvar“chamfera”d)
3 w$ n! J6 ?: l(setvar“chamferb”( d(/sin a (cos a))))
7 y3 L- Y* e: x(Command“chamfer”)
( o% m5 b4 V" N' Q% o& g(setvar“cmdecho”l) 7 F( \9 q0 Z, K3 Q( p9 A; F
(princ); T* z* d% D E0 n5 |8 q5 T K' s
)
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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。) a+ n, l/ b0 H, n6 `2 v' D
(defun c:bc1()
" j: U% F% P) z& |9 \% e' m% c(graphscr)2 N; U3 P$ S* `! f
(setvar“cmdecho"0)
/ }# q# p0 R; l+ w# I(setq cr(getpoint“\n Enter center of Bolt-Circle:"))( T) j& V4 b3 w; y' b3 M O2 y
(setq d(getdist“\n Dia of Bolt-Circle:”)) o( h9 y) X! m, B" \4 @
(setq n(getint“\n Number of holes In Bolt-Circle:"))
0 `' \$ w5 ]) B# p& c(setq a(getangle“\n Enter start angle:”))& `$ P; o& I: r: L* L
(setq dh(getdist“\n Enter diameter of hole:”))
0 C) T8 w+ V; _0 |& S(setq inc(/(* 2 pi)n))
# L' \# ]8 _ N7 w# e(setq ang 0)
( ^# F- L* L$ Z; U(set r(/ dh 2)), X6 _6 h: C( U5 h
(While(< ang(* 2 pi))
) n# k/ s8 c# J. ~: j7 k(setq P1(Polar cr(+ a inc)(d 2)))( Z% G4 C; J& s( F! X$ `' T8 D
(command“circle” p1 r)8 C* `7 J1 f' r# c! C% I
(setq a(+ a inc))
7 r, R! \* R! E0 B4 P(setq ang(+ ang inc))2 ~5 c3 b2 F, y, O+ `
)
6 ?$ C2 F( m6 H$ p(setvar“cmdecho” l)0 X+ @) ~. F; O- h8 ~! e
(Princ)% D; X1 R( F F9 p+ {
)
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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。
7 D4 |5 s, E/ E. t(defun c:spring()- p }' C8 W$ X9 y: V7 O$ Q# z
(setq bp(getpoint"\n弹簧中心点:"))(princ)
5 Q6 J- V2 c. U (setq dw(getreal"\n弹簧直径:"))(princ)
$ q7 [: X x% c (setq d(getreal"\n弹簧丝径:"))(princ)7 t; |6 j2 ~) `2 Q/ s( O
(setq pitch(getreal"\n弹簧节距:"))(princ), s' Y0 l# l; D5 M
(setq len(getreal"\n弹簧中长度:"))(princ)
; j" j5 S: r5 U (setq n(getint"\n弹簧段数:"))(princ)8 V# Y6 x7 Y: G' s3 o+ A% f
(setq r(/ (- dw d) 2))
$ b0 c* X* a1 h) a0 ] (setq m1(fix (* n 1.25)))
+ R3 i% U; p, t! @2 v6 x, I9 v (setq m0(fix (* n (/ (- len (* d 2)) pitch))))) T( ?4 ^* c; n G& J& a+ N
(setq delta(/ (* 2.0 pi) n))" F7 }. \4 _0 K' ?
(setq j0(/ pitch n))
3 G; w" O8 l3 e2 u) b) z (setq j1(/ d n))
' Y( j7 p9 i/ j3 N/ }* A (setq bz(caddr bp))$ K, J) d0 y( {& C% q1 ]
(setq ang 0)
8 N9 C* x' X# I- P (setq jj 0)
$ U$ }+ y2 y, @. q (command "UCS" "o" bp)
% m8 ~: [" h4 y# Y (command "3dpoly" (list r 0 0))6 C2 C: I6 |7 `1 n0 ~
(repeat m1
6 j& a$ w2 i! b6 y (setq jj(+ jj 1))
7 u3 @" f- z$ ~4 u0 P (setq ang(+ delta ang))
o6 Q' U8 V/ S2 p (setq pt1(list (* r (cos ang)) (* r (sin ang)) (+ bz (* j1 jj))))3 w( H3 E" w+ x* O. a! k
(command pt1)3 M" m& Z A8 }
)
9 `8 A2 G) z. ]; D) L (setq bz(caddr pt1))
0 g. u* g/ i9 G (setq jj 0)
0 Y. m% u: I {3 O' |0 | C0 S (repeat m0/ }' X( u% i" M4 r; `
(setq jj (+ jj 1))! G2 U+ r1 Q) C. p! @9 t( l1 J9 z+ X
(setq ang(+ delta ang))6 _9 [4 n- k' _" V& K9 b9 i* W9 }
(setq pt0(list (* r (cos ang)) (* r (sin ang)) (+ bz (* j0 jj))))# V. n2 S% L! c* r" x5 k* ~
(command pt0)
# ^# H1 i) J2 Z4 |/ a )
. ?' P' `) F( w+ {- S% L* g% F (setq bz(caddr pt0))* s9 \2 s& L8 O
(setq jj 0)& B7 t, ~3 K! Y8 `5 t
(repeat m1# L0 r! M. ]# Q; h6 Y9 s! d9 O2 l! d
(setq jj(+ jj 1))6 W* F& S. ]1 t- e) d1 }% p
(setq ang(+ delta ang))
4 ^/ V5 m% |+ f( w. u (setq pt2(list (* r (cos ang)) (* r (sin ang)) (+ bz (* j1 jj))))
8 j4 {$ E. j; G, |5 D3 i (command pt2)2 e$ [3 Y- v/ _, a, f
)
& X* `1 Z# e5 b! l! Q (command"")7 \: p) m! ~0 @& l' S. N, Q, O( u
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