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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。: d7 Z" g7 m( A
(defun c:chamfer(/ d a) & T0 Q% b! M. C7 W9 [- B
(setvar“cmdecho”0)
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(setq d(getdist“\n Enter chamfer distance:"))
% |1 B* [% f7 I5 n! {$ u(setq a(getangle“\n Enter chamfer angle:"))# T }, }0 v6 `8 d* q0 p
(setvar“chamfera”d)) k* O+ x/ M- C4 j* o
(setvar“chamferb”( d(/sin a (cos a)))) * _& z9 i; ]: T
(Command“chamfer”)
: S6 d6 M/ S; G1 e- Z, e" l; _(setvar“cmdecho”l) 8 u/ b9 p* E* x5 d
(princ)
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, Z+ g6 I8 E) A" s3 |/ u3 m6 k2、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 k) v& M) p9 F4 p
(defun c:chamfer(/ d a)
# M/ e; ]/ ?# d& K) U7 a r(setvar“cmdecho”0)
5 b2 U: s- q" N3 j(graphscr) ' |. [- e! l8 l$ m
(setq d(getdist“\n Enter chamfer distance:"))
" J# ]5 r- ^: X% R! ?. q(setq a(getangle“\n Enter chamfer angle:"))
8 v% U9 k. [+ y* Z(setvar“chamfera”d)8 w9 t2 X- m) \# \, ?
(setvar“chamferb”( d(/sin a (cos a)))) ( ]# H) |' K/ |: q
(Command“chamfer”) / z: s8 T% {% |- Y( m
(setvar“cmdecho”l)
1 R- Z8 c7 M( c(princ)
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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。
! Z2 d7 S- F& N; L(defun c:bc1()
' A% h1 ]4 z+ K; b' d# \(graphscr)8 J" D4 q* @, L; k8 m" { r* p
(setvar“cmdecho"0)6 N7 {2 i% O+ j7 C5 l" O/ L
(setq cr(getpoint“\n Enter center of Bolt-Circle:"))& @7 V8 N5 A. x
(setq d(getdist“\n Dia of Bolt-Circle:”))
$ j Y" P; E0 \(setq n(getint“\n Number of holes In Bolt-Circle:"))- Z0 s! ~# Z: I# d
(setq a(getangle“\n Enter start angle:”))
" F# y! {" G" `3 ?- L; ^, b* V$ a(setq dh(getdist“\n Enter diameter of hole:”)), Q: l! N* C% m/ y% c4 _3 k: q
(setq inc(/(* 2 pi)n))
) w3 f- o U7 [(setq ang 0)
) R2 a. u; ^& I! M$ ?(set r(/ dh 2))
- u' q; ]5 C9 R" F! U* X(While(< ang(* 2 pi))
$ i' S& h- L5 X' o(setq P1(Polar cr(+ a inc)(d 2)))# Y, k0 c9 y3 |# x p* q" B
(command“circle” p1 r)% h- J$ j: L: D& O+ [& u
(setq a(+ a inc))
+ ], f% n& j/ r3 _, K(setq ang(+ ang inc))0 w5 d; l) p# c' T. u! Q
)
& I/ c4 g0 X) r(setvar“cmdecho” l)
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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。
I, f- h3 Q9 O5 V(defun c:spring()$ C/ E" N9 T+ O: x; ?( K
(setq bp(getpoint"\n弹簧中心点:"))(princ)3 V C# `7 |: s' ^
(setq dw(getreal"\n弹簧直径:"))(princ)
2 O' o4 o# `* r- e; ]9 }) B (setq d(getreal"\n弹簧丝径:"))(princ)
9 o5 Z* C! }+ g& V+ N3 ~2 Y, l (setq pitch(getreal"\n弹簧节距:"))(princ). l6 {+ u, T" g( O! I$ I
(setq len(getreal"\n弹簧中长度:"))(princ)% O7 o' K! d2 {7 U+ N; s
(setq n(getint"\n弹簧段数:"))(princ)
7 M! i/ S' ^4 B/ d (setq r(/ (- dw d) 2))6 }+ g f' c# L' z( L+ l2 Z
(setq m1(fix (* n 1.25)))
0 g' u, s* _: o+ F" N (setq m0(fix (* n (/ (- len (* d 2)) pitch))))6 ~) n% ~* w3 R. q2 A# e* }) e. _$ D
(setq delta(/ (* 2.0 pi) n))! X7 X$ U1 e2 \& M' D
(setq j0(/ pitch n))' [! j, W6 I( v. M- ^6 d& o" ~
(setq j1(/ d n))) k% P6 Z/ E. K9 S" Q
(setq bz(caddr bp))
; f, E+ D7 f7 x" P( g) i (setq ang 0)0 R: k5 x( C+ ?( _4 A
(setq jj 0)0 e( u0 k! w, l0 _3 B
(command "UCS" "o" bp)
) _- e) a5 W& g% V8 W- w (command "3dpoly" (list r 0 0))' n1 Q: F- L! B# k0 b% \& J% H& |( F
(repeat m1
# ^% [0 P; F9 _5 `1 o4 M0 N4 W (setq jj(+ jj 1))- E7 c1 q9 Q$ X. C+ ]" @
(setq ang(+ delta ang))5 t& @& x1 X/ b; K7 H4 K! ~
(setq pt1(list (* r (cos ang)) (* r (sin ang)) (+ bz (* j1 jj))))# w, v3 |7 T' Y: |5 D# ^
(command pt1)
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( E* i7 K, V+ k" V: O (setq bz(caddr pt1))/ Y* S" [9 [# U) `5 O/ J9 D- ~
(setq jj 0)8 S2 [: G+ [& {3 V- [. U
(repeat m0* x6 p: C2 ~- {8 b9 A! C7 {
(setq jj (+ jj 1))
. l8 |6 D$ ^6 e4 |1 S) k (setq ang(+ delta ang))- |; x& S8 O2 {( |3 `- c
(setq pt0(list (* r (cos ang)) (* r (sin ang)) (+ bz (* j0 jj))))# a. l' C# ?+ X
(command pt0)4 b, C: B" m& Q0 l* E3 G( n8 x
)
3 p- I \8 G" F" _) [$ b# q (setq bz(caddr pt0))' _8 G' K9 L ]5 T! j
(setq jj 0)
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(setq jj(+ jj 1))
3 A* X7 e& O6 F% d/ R2 Q; W (setq ang(+ delta ang))' y9 x/ p6 a- f7 i$ c8 T1 s
(setq pt2(list (* r (cos ang)) (* r (sin ang)) (+ bz (* j1 jj))))* I2 u( w/ U P$ T0 d- ^3 P& p
(command pt2)7 O, c8 \* V: r( g! L, @3 I
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(command""): y7 T8 `' a0 }" m) \% J4 o: _7 b3 x
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