還做讀書(shū)狼 發(fā)表于 2011-9-12 22:10
9 W$ P; m" ~/ o# d你這個(gè)意思是什么意思?整體齒形是什么東西?是漸開(kāi)線嗎?一般還真不畫(huà)出漸開(kāi)線。只畫(huà)出齒頂圓齒根圓分度 ...
7 {; Q. _8 j* S' R/ Y' t5 O% V- u7 Y. H(defun C:gear ()
7 V) c4 S* C: @2 {* c5 k7 j (setq numt nil
* H0 x- m' {4 Y8 X4 _8 E, x+ J( d diap nil
( I0 c; y' U, [ prsa nil
- ]* q$ a: {" J" F pnts nil
/ L: F" [2 b% P* b. A, ?; O) u; l test nil
- }" ~( ^5 Z( @! j" u- I& q pwd nil! P0 o" }! X" W3 m0 a0 M5 S& \: n
)
! f; G1 ~+ f% D2 i7 i! X% h
' Z! t/ ?* p+ E9 l7 r& {+ b) a8 { (setq numt (getint "Number of teeth:<24>"))$ }; r0 B8 ]& R7 ?. a: }' I
(if (= numt nil)' X) I" `4 ^9 [+ n5 J- L$ r
(setq numt 24)9 v& r- M$ x7 T
)
1 Y8 M% T2 s0 [ (setq diap (getreal "Modulus of gear:<0.5> "))
+ b7 y) A* a, ?2 l3 J! } (if (= diap nil)) v l# Z+ D5 Z, {* ^
(setq diap (/ 1 0.5))( L* |; g: `% g5 f4 I
(setq diap (/ 1 diap))
- P; S8 q5 r( B )
k$ b, q% ]. _. L; ^+ [ (setq prsa (getreal "Pressure angle:<20.0> "))" d0 Y' Z3 y4 X, `/ l
(if (= prsa nil)
& r+ n/ B. f2 I9 m# c) S (setq prsa 20.0): v$ e9 E7 V& x+ [
)
% }: _9 O \) ] (setq pnts (getint "number of points on curve:<40> "))0 o- S: Q, U0 c% w0 m
(if (= pnts nil)
2 u" n. _. z$ }- `6 C (setq pnts 40)
* y8 O: T7 T7 R% I. H )
3 T" c/ t9 I' X/ Q; E; (setq pwd (getreal "Please input password:"))
0 o5 Q0 w5 Y; C$ L4 R+ E3 Y; (if (/= pwd 8833)# B0 g+ S! f/ ]+ F
; (setq numt 0) \2 @- L6 {0 G+ Z; K& }# H! ?7 W
; )' [ J, i* V; C5 U- o* [% U2 M
; (if (= pwd nil). `) ?5 F3 Y% y w/ f1 S# Z
; (setq numt 0)
! o5 Q) B" n. b1 g3 F) @) g7 p; )
" Z' G) C+ v: a# S4 E;+ f8 l9 A( T- l6 V, s
(command "osnap" "non")
; t6 A- `$ u- i Q% @: ~ (setvar "cmdecho" 0)0 W/ Q; G( G* J4 ^, S0 g' f
(setq oldvar (getvar "pickbox"))
: U' d$ W! R& f' J% H5 N (setvar "pickbox" 0)# H1 S0 Z, \6 ]0 l0 H7 X7 n
(setvar "aperture" 1)
; p. e6 u/ c$ }. {4 |7 t (command "osmode" "0" )
( c$ H! f. m% };. N$ F: y" U2 ?. |/ j$ X
(setq prsa (/ (* prsa pi) 180.0))
$ ]: o$ `. g1 E (setq pitd (/ numt diap)) g* Y3 E3 E7 g* \8 p' y7 n( @% {# [
(setq outd (/ (+ numt 2) diap))
9 H$ P) q/ p# p6 M9 W& ^ (setq basr (/ (* pitd (cos prsa)) 2))
/ k' ~' B2 l( J2 U4 o (setq orad (/ outd 2.0))8 c, k& n: C- b( h0 H) F7 U
(setq z (- (expt orad 2.0) (expt basr 2.0)))9 ]4 j9 C- r- ]6 L& J0 V- g8 P
(setq x (sqrt z))1 t" c: U0 h7 w0 H) i$ p
(setq paodd (atan (/ x basr)))
" E1 g5 M+ H: Q (setq incr (/ paodd pnts))- J7 Z9 e8 [1 x* n
(setq p 0.0)6 W. P# G; a8 O2 T f! z
(setq pitr (/ pitd 2.0))
1 g: d( U! r, S5 N, E5 P" [ (setq pang (/ 360. (* numt 4.0)))' p7 s! J6 [+ M$ _' s: Q2 j8 m
(setq pang (/ (* pang pi) 180.0))6 ~* X9 q5 V0 Q% ?
(graphscr)
" _0 ~# n0 b7 M' M6 Q (setq p2 (getpoint "center of gear:"))1 }, N9 Y* N1 I, |4 M+ _$ f% h
(setq y2 (cadr p2))
0 }& z! v: |( Y" L5 l5 c4 R (setq x2 (car p2))+ X' G* U4 M2 z2 l: T$ D$ |) e, G* X
(setq r0 (/ (/ (- numt 2.5) diap) 2))
" y) t( X# J/ g4 Q, u8 d/ ^$ r7 s (setq r1 (/ 0.2 diap))7 N9 U2 H! ^" ?9 h9 U5 `, s4 |& _
(setq h (sqrt (- (* (+ r1 r0) (+ r1 r0)) (* r1 r1))))0 ~5 m9 C- N" B% t3 G
(setq ang0 (/ (* pi 2) numt))1 y: l" z" `/ [0 \6 m
(setq y5 (+ y2 basr))' ?$ c: A+ t# @2 \, K5 x/ y
(setq p5 (list x2 y5))
% r* J& j$ }: S9 W7 W# k2 ^ (setq y55 (+ y2 r0))2 |4 _: n# {: G$ K
(setq p55 (list x2 y55))# F; n+ M% C2 Z+ T( d9 i" u
(setq p88 (list (+ x2 2) (+ y5 2)))
9 C% q, z- b8 B6 _ (setq a3 (/ (* pi 5) 4))- [, k4 |( H, w0 L
(setq a4 (/ pi 4))$ H% D( |5 V$ B8 Q n0 T
(setq pz3 (polar p2 a3 (* orad 1.5)))% D0 P: _- W5 X
(setq pz4 (polar p2 a4 (* orad 1.5)))
3 U+ S* y# J0 ~' X# J7 L) C6 b (command "zoom" "w" pz3 pz4)
: `) P: s0 {- ]) L+ }, S;8 r) F7 @, X) Z, b
(setq clay (getvar "CLAYER"))
& ]) b+ ^" P5 g& |$ t4 X+ M (setq sblip (getvar "BLIPMODE"))) T ^6 u- A' Z* M# G0 a2 N
(setq ts (tblsearch "LAYER" "CEN"))
( G( F/ W% Q% K (if (null ts)2 X [* j4 D! c1 @. n
(progn
( x# ~2 D' y) O (prompt "\nCreating new layer - CEN. ") 1 ~1 l* B# {# b7 [
(setvar "BLIPMODE" 0)8 K4 `: A- s4 Q p3 f) U
(command "LAYER" "M" "CEN" "LT" "CENTER" "CEN" "C" "RED" "CEN" "") + x7 U2 \2 M% a) ~/ s
)* q) T; o7 k! P- n
(progn2 c5 p) ~! ?2 r6 n7 V9 |, S
(if (> (cdr (assoc 70 ts)) 0) (command "LAYER" "T" "CEN" "ON" "CEN" "U" "CEN" ""))0 i7 l4 G5 Y4 J+ a
(command "LAYER" "S" "cen" "")7 L/ b1 c$ k7 Y) W
)# U% ?$ Y( X( z* t$ e9 L
)& A8 g4 r1 q& V
(command "circle" p2 pitr), u2 K2 _& h/ V, z& j& _
(setvar "BLIPMODE" sblip)3 \ F2 |% d1 h5 w! w
(command "LAYER" "S" clay "")
5 W) z8 w( |* O/ i;
. b ~" `$ D# X+ k& w4 w (setq a1 (- (/ pi 2 ) 0.1))
9 ]4 i) g+ C9 Z1 c (setq a2 (+ (/ pi 2) 0.1))
1 `. }! o3 v( {% t' ]( l4 |' l (setq pz1 (polar p2 a1 basr))* j4 H6 N x) d( `
(setq pz2 (polar p2 a2 orad))
4 H, V' Q, _8 j6 Q4 j (command "zoom" "w" pz1 pz2)
$ y v1 X1 g' M4 G1 T* a (setq s (ssadd)). x. p# a- u! z7 b
(setq le (entlast))( r: }8 \9 n) O! X8 Y
(setq test 0)0 ^3 e# _2 Z) X
(command "pline" p5)$ S' P4 ^3 b1 J' r9 e6 O$ [
(setq p (+ incr p ))
* v6 }# Z$ a/ v* j7 ` (while (> pnts 0): ]5 G! M# n* ^3 F) A. a
(setq e1 (sin p))7 e' Z1 M( I# _* L: l
(setq e2 (cos p))3 B* y$ d; o8 F% ]
(setq e (/ e1 e2))- _/ O3 }: ?) D/ R, \/ S
(setq j (- e p))
. L i/ I9 E) f/ ?" G+ Z (setq x1 (* (/ (sin j) (cos p)) basr))# {, T6 C2 R% `4 ?; N* l
(setq y1 (* (/ (cos j) (cos p)) basr))
2 `6 I: @1 m! c& b) w8 \9 r) ` (setq x3 (+ x2 x1))
7 j0 O# U, H. q3 M (setq y3 (+ y2 y1))
B n6 w- e: S" K \) n( f (setq p3 (list x3 y3))
9 @" B( x2 x6 ?# c9 M" L: w (command p3)9 {! ~* a4 t0 J
(setq p (+ incr p))6 B4 a3 x/ ~) `2 y& j0 b
(setq pnts (- pnts 1))
, s! ~' j8 p v2 n8 w K! F/ O (if (/= test 1)
; {6 b' c D3 y. N9 { (progn2 ^" z% M" \/ w& w8 b$ |1 Y
(setq hyp (sqrt (+ (expt x1 2) (expt y1 2))))' m5 x( O1 y- h7 m0 D/ J U2 A' [
(if (> hyp pitr)& o" B: @& o: \2 L5 o$ [% ]
(progn1 V; e3 b% @) s& C! J; f
(setq pint p3)
6 Y; S; Q0 W3 P: m' G (setq test 1) O6 ?+ J- g J( M6 B& B1 i' X4 ?
)% S$ z7 X9 l0 O) r* Z6 }
)
9 V9 M# x ~) w- F- t2 b( p );endif
7 X# o m- o* e6 S );endif7 k9 ^9 Q% w2 d' d
)5 V+ v" \, p% S( e3 j g# G
(command "")! R2 j# ^" \: |9 ^$ D* k
(setq L2 (ssget "L"))' b0 G( w' @' @9 _8 k; J, r
(initget "Y y N n"). A7 a1 M* U3 @
(setq ans (getkword "\n Finish the gear ?:<Y> "))
, H' m0 Y m3 |7 U: e9 b y (if (/= ans "N")
7 m; D2 y2 [4 J2 G& g' d (progn0 O0 s* O6 Q- I9 I% P8 s5 s
(command "zoom" "w" pz1 pz2)
e$ B5 r8 F, F* Q; U0 s+ }7 w (setq p11 (osnap pint "inter"))4 ]) h. x9 k* w( O
(setq ang (angle p2 p11))
) k t- {. e+ P (setq angi (- ang pang))
8 `0 f R: O+ \. i2 g (setq p12 (polar p2 angi 1.0))) Z) ~8 {9 e) _1 d0 D% }- q
;
% d' T/ A8 i& ^8 O9 q; r/ A (if (< (* 0.94 numt (/ 1 diap)) (* h 2.0005))7 m! [, c0 T2 {! y8 A# ]
(progn
; @& d' G+ r2 M. v. h (if (< numt 42); [, N5 |; w7 a; z$ x
(progn: G+ t4 o F( R9 N) A* @
(setq p56 (list x2 (+ y2 r0)))( Z2 k. F5 J8 Y. f! U% `
(command "line" p56 p5 ""), n! B3 m3 X' o+ f
(setq L33 (entlast))
0 e$ w K. V; S9 Q! p4 A6 Q (command "zoom" "w" p77 p88): k/ j5 k( Z% T7 E9 s) n
(command "mirror" L2 L33 "" p2 p12 "")' _- B6 [' S! O! u: P7 j$ K9 H! N
(setq adj1 (- angi (/ pi 2)))
5 l, V" h! T$ \% E& ]5 G6 w& u (setq adj2 (- (/ pi 2)(* pang 4)))
( R; U7 b) T6 ~: f (setq p17 (polar p2 (+ angi adj1) r0))- l% [$ u% Z* B
(setq p16 (polar p2 adj2 r0))
+ Q6 l/ R3 G# N! `% t5 K6 O (command "arc" p16 "c" p2 p17): F7 y6 @7 J7 `: o# @7 }
) ;end progn
t- y3 m3 O& u' I5 G( ~ (progn) ^6 m1 ?5 |' L \3 f o% r! _ @% \
(command "zoom" "w" p77 p88)( P/ X/ c) Z) q8 ]% ?1 r
(command "mirror" L2 "" p2 p12 "")
- ]' c2 M$ j! ?: ?( Y3 x! h (setq pL1 (entlast)) 2 N7 ^; T% @% B* @# W; M' s
(setq adj1 (- angi (/ pi 2)))8 x& ^0 |6 B7 y5 d
(setq adj2 (- (/ pi 2)(* pang 4))): f' a7 y. L( r9 f* W
(setq p17 (polar p2 (+ angi adj1) r0))3 M3 n$ h( M+ S* l! g
(setq p16 (polar p2 adj2 r0))
* ~% Q: W. l3 a6 p, w (if (> numt 101)
! ]7 O: V$ ^+ b' M& {+ A (command "arc" p17 "c" p2 p16)
% z1 G2 u4 L- b- R5 d* t (command "arc" p16 "c" p2 p17))
4 l2 q T9 p- t. j! w% X (setq arc4 (entlast))
$ A* C4 Z! e! o6 T7 p. E (setq p171 (polar p17 0.7854 (/ 0.4 diap)))
& n1 O1 }3 b! f6 h, _7 O) s+ e (setq p172 (polar p17 3.9 (/ 0.4 diap)))8 V0 _4 c% W; M
(if (> numt 101)( @, F9 d( A: K0 @+ _
(setq p18 (polar p2 (+ angi adj1 ang0) r0))
3 p9 L3 N/ g7 y; |; A& e (setq p18 (polar p2 (+ adj2 ang0) r0)))' e6 v2 S2 k, e$ l4 d( r
(setq p181 (polar p18 2.3 (/ 0.4 diap)))
5 o& S' A- A8 W4 i* b (setq p182 (polar p18 5.5 (/ 0.4 diap)))
' E( @9 o0 }, B5 I3 W2 h (command "zoom" "w" p171 p172)4 _0 h+ b/ L/ D! _8 X& ]% J
(if (> numt 101)
9 O% z/ o* S4 i (command "extend" pL1 "" p16 "") ) C+ J$ N) f: N4 o F% p
(command "extend" pL1 "" p17 ""))
- J2 `$ M3 [( h* j) G (setq ang0 (/ (* ang0 180) pi))1 |/ `6 b1 t; i3 P X) f
(command "rotate" arc4 "" p2 ang0)8 K: H7 u$ U% b
(command "zoom" "w" p181 p182)
3 b- N$ P* R. n& {: J0 t, e" y3 O (command "extend" L2 "" p18 "")
- B9 ], `% d; L (command "zoom" "w" pz1 pz2)' t! g* ]& }- Q& _+ L* B
(command "trim" arc4 "" p5 "")
4 B+ ~$ J7 _% ~ @" U2 n5 @1 I( I (command "erase" pl1 "")" d& w. d$ s% k8 o
(command "mirror" L2 "" p2 p12 "")
# N0 q) v$ H% o; d ) ;end progn
$ S3 p" i3 z' D$ O) G6 ~9 g ) ;end if! y: a- ?3 W" l( Z1 m( d* a* s
) ;end progn5 z4 u9 o. e t) ]. d9 L" K5 B
(progn * f: n; R& x! x( K
(setq ang12 (- (/ pi 2) (angle p2 p12)))
1 P z+ [) n+ H u; F% _6 I (setq ang57 (atan (/ r1 h)))4 t9 a/ k: ^/ t0 |5 C
(setq ang58 (- ang0 (* ang12 2) (* ang57 2)))( b6 G* M9 l! f1 N
(setq ang577 (+ (/ pi 2) ang57))
* x/ _/ z0 }- m# _% ?' p (setq ang588 (+ ang577 ang58))
- N. H% c( H% k1 t9 w! |3 O! z( _ (setq p57 (polar p2 ang577 (+ r1 r0)))
% s4 n S- m! J9 H! S2 z (setq p577 (polar p2 ang577 r0))7 ~; f1 t& B, O" a( l) t' n
(setq p588 (polar p2 ang588 r0)) 5 @. C# W/ J9 i4 r8 ?+ h
(setq p56 (list x2 (+ y2 h))), h8 `! Q, s8 N( b$ t+ `. y
(command "arc" p577 "c" p57 p56)
6 ]8 k, K8 I$ c# b: U (setq arc1 (entlast))7 s8 G( U" n' B# _& r* f3 s
(command "arc" p577 "c" p2 p588)+ m3 z# } f; f* y9 ]
(setq arc2 (entlast))
# r' ?; a* ?* {5 w; V6 I& T/ U (command "line" p56 p5 "")" s3 k" z7 H5 }9 W2 l/ A( I+ w2 J
(setq L33 (entlast))3 k! Z# D, h6 }$ w( Q' O
(command "zoom" "w" p77 p88)
, m# r2 T6 _; S1 O+ q# v. h) X$ b (command "mirror" arc1 arc2 L2 L33 "" p2 p12 "")
" ?+ f- h) \' x$ j( s (command "erase" arc2 "")4 \6 ^9 A% _% x: e: d8 g5 _
) ;end progn 1 }2 k j9 f, {; ~* e0 s! s z
) ;end if
/ x3 i% L9 b; S6 I" x, Q;
1 X3 s9 U* y* v: \. u (setq beta (angle p2 p3))
# h$ T8 S/ F. \' O1 ?# T- U1 n (setq ang2 (- (* angi 2) beta))% z$ [" Q: x% t3 h9 \% n/ ?/ e
(setq p15 (polar p2 ang2 orad))
6 O v4 W, d( @/ M+ x/ ? (command "arc" p15 "c" p2 p3)
! U0 D5 p- `5 T0 E (while (setq le (entnext le))
% }* o8 z/ F4 u* } (ssadd le s)
/ o: I1 t( o5 B% `7 X )
9 @+ R4 N( h! q) U (command "array" s "" "p" p2 numt "" "")' W; l: [+ j' ^" v2 d
(setq q1 (nth 0 p2))+ ~. `4 c4 C y& e+ A
(setq q2 (nth 1 p2))6 v2 q; s; B1 V3 L" f/ L
(setq q5 (+ q1 pitr 2))
* ~4 K3 J2 p5 _: k# x (setq q6 (- q2 pitr 2))2 M6 G; j8 I4 j8 s2 r
(setq q3 (- q1 pitr 2))
- h' @2 o) `- U3 g (setq q4 (+ q2 pitr 2))
; P8 ]/ V/ x% U% v (setq q1 (list q5 q6))
* n! H3 R4 d- M8 r (setq q2 (list q3 q4))& M- o* ^5 H- X* m/ Y1 l
(command "zoom" "w" q1 q2) y$ T) ^& @2 G$ t7 a
)
: g8 h2 n# c' }, X t( c2 K )
! s6 v2 ?, Z i3 x (setvar "pickbox" 5)
6 o& E$ H4 O+ K2 x% Z& E (setvar "aperture" 5)
0 ~' U7 U% c& j5 H" K, [- ?3 ?& h (setvar "osmode" 37)3 M% F" U( Z6 h! l
4 b2 S/ @0 i9 h( A! T: }4 u
(princ "Finish gear ")
$ `) e6 _+ s2 h. ^ (princ numt)
1 |$ d6 m8 U7 \3 S (princ "T")- R z( q/ `+ { {
(princ)
E, K4 x/ J( D( J9 ~) l )
) N& h* M) ~$ c6 I% J: j: w
% X4 ^- y( `* x% {2 E0 I$ E+ A; Q |