還做讀書狼 發(fā)表于 2011-9-12 22:10 + D* B" L. d/ s4 W. H! J5 M: m
你這個(gè)意思是什么意思,?整體齒形是什么東西?是漸開線嗎,?一般還真不畫出漸開線,。只畫出齒頂圓齒根圓分度 ...
8 ~4 O8 _" }3 Z2 ]; m2 e& Y(defun C:gear ()
% S. d; T. Z+ ?" c' ]0 V (setq numt nil
4 |& ^5 R$ g9 @1 s( T diap nil
. `+ O- c2 i. Q. d( n prsa nil
2 ~1 D* q5 O% Y, Z pnts nil( m' A5 T C9 C* \* l
test nil8 U# i8 w0 H; E/ W; C' A$ }. v
pwd nil( K- [. T# ~% r0 d# L% y
)- {+ y3 l9 s! m
; ^' h A R( c+ |
(setq numt (getint "Number of teeth:<24>"))
9 _5 I# q1 ^. D& V: `" S9 i' G (if (= numt nil)
, B ~, v4 q7 W0 ?8 r, k p8 ~* X (setq numt 24)- ]7 I5 H0 N% {1 h
)5 V# @, q% y& i. o v5 e
(setq diap (getreal "Modulus of gear:<0.5> "))- p( J: x6 l; f8 U4 m7 x% n' y
(if (= diap nil)
4 P2 W! c3 k# X) X* Q1 f (setq diap (/ 1 0.5))
) X9 B! D' r# b: w- y" C4 M* A/ I (setq diap (/ 1 diap))1 l1 `% a$ K- t
)
. T$ R. G! q( t) n' F9 v0 S (setq prsa (getreal "Pressure angle:<20.0> "))- y, W6 d+ v/ i
(if (= prsa nil)
' L4 c+ j- ^# O2 E+ _ (setq prsa 20.0)
4 w# J: S/ J' `8 Y" c ); m* d! J& M3 w7 h
(setq pnts (getint "number of points on curve:<40> ")): z0 X! ^$ ^8 e& S! F
(if (= pnts nil)
9 u& y. j9 v$ C (setq pnts 40)$ ^8 w5 u) ? N1 K( Y. u1 ^; |
)
5 w( N+ v4 Q5 X) t+ x/ N, U; (setq pwd (getreal "Please input password:"))
, O8 h; \, o: o7 w6 {; i$ K; (if (/= pwd 8833)
; F! D6 m& e" A; U& @' H3 w; (setq numt 0)
7 T3 y& K* t. _; )
' ?+ z4 ~; a' ]; @$ Q; (if (= pwd nil); S' Q$ p8 S, }" T1 P# f1 I
; (setq numt 0)
$ f7 x4 e- W5 e2 V: m4 s$ B' x; )
) z @/ t; K( H9 Y;
, G/ C# b; `+ i (command "osnap" "non")0 s5 ]" N6 e, X
(setvar "cmdecho" 0)# _+ Y3 E: V" M+ f$ x
(setq oldvar (getvar "pickbox"))4 c6 h5 q& y# Z3 a3 \% @
(setvar "pickbox" 0)
/ v2 o7 Y/ v: M+ N6 f (setvar "aperture" 1)/ K. R+ y, V: P1 |2 @0 Z
(command "osmode" "0" )/ Y" n/ z8 n P2 C) s9 n4 G
;
9 K3 t4 L* }5 ?" y0 S, Y (setq prsa (/ (* prsa pi) 180.0))( _: q& R x3 G) [3 i. M, p! \7 p
(setq pitd (/ numt diap))
- H5 ?# n/ [; X (setq outd (/ (+ numt 2) diap))* y1 B4 ^0 H9 e8 V
(setq basr (/ (* pitd (cos prsa)) 2))! A, Y# Y8 r' m
(setq orad (/ outd 2.0))7 e% w. b& G# `. t3 q% v8 D! D% P
(setq z (- (expt orad 2.0) (expt basr 2.0)))
: O7 L; ]& M- u3 @5 Y+ H, f (setq x (sqrt z))0 M# J* }3 e2 i; v. Y& v
(setq paodd (atan (/ x basr)))- }* l1 V+ l3 O0 W
(setq incr (/ paodd pnts))
* ?2 t% W" \4 k9 p& E8 Q (setq p 0.0)
) ]9 S! Y0 J7 w6 H; Z. G (setq pitr (/ pitd 2.0)) ]/ ^0 o7 _$ `" ^" [" @; f2 l+ f
(setq pang (/ 360. (* numt 4.0)))5 O! U4 B3 s$ T% g. |
(setq pang (/ (* pang pi) 180.0))
1 F, g- O& c" y& f# x$ n (graphscr)* ^; r+ v6 ?3 I$ H. K
(setq p2 (getpoint "center of gear:"))' S! y7 S+ |/ G2 y( G
(setq y2 (cadr p2))
: \" x! y/ B" V( | (setq x2 (car p2))
@' G" T& I* [( d1 e* \7 a (setq r0 (/ (/ (- numt 2.5) diap) 2)) G8 r& @8 I, ^
(setq r1 (/ 0.2 diap))) ]2 B$ h; ]! u- u6 z- {% c
(setq h (sqrt (- (* (+ r1 r0) (+ r1 r0)) (* r1 r1))))8 N* N; V( M4 i
(setq ang0 (/ (* pi 2) numt))' w# w, r: U! S a$ Q; C! K# |$ C+ }
(setq y5 (+ y2 basr))
' W! Y! {, ?4 f2 }' f (setq p5 (list x2 y5))9 ^, Y" x/ K. d8 l9 m: w6 u& a3 q
(setq y55 (+ y2 r0))/ @8 T7 Q% A- B7 B
(setq p55 (list x2 y55))1 L/ S8 i5 o" F$ |
(setq p88 (list (+ x2 2) (+ y5 2)))
& U+ }8 F) p: A G) Y8 Z1 b (setq a3 (/ (* pi 5) 4))1 K& B0 t" E* C9 I8 C. R1 e
(setq a4 (/ pi 4)) p: P; ?8 o* H
(setq pz3 (polar p2 a3 (* orad 1.5)))4 j! O8 r: \4 g5 X' R, X7 C
(setq pz4 (polar p2 a4 (* orad 1.5)))5 t" P9 a! u& b( `$ {
(command "zoom" "w" pz3 pz4), T) J/ h5 C' J1 x
;
* E' \1 }! {* z5 w/ p% b% [3 R! o (setq clay (getvar "CLAYER"))
, F8 V/ ?$ M8 H8 [& z (setq sblip (getvar "BLIPMODE"))$ k2 O8 ~/ l: i
(setq ts (tblsearch "LAYER" "CEN"))+ S, r9 _$ l* n* Y; J
(if (null ts)9 x& F. _, ^) a4 Z3 F
(progn
8 z/ d% `) y+ J (prompt "\nCreating new layer - CEN. ") # W5 W& t! E- B5 L
(setvar "BLIPMODE" 0). B. v) K) Q* ]0 }9 l
(command "LAYER" "M" "CEN" "LT" "CENTER" "CEN" "C" "RED" "CEN" "") . p. l& b# Z5 W# C& I. J4 L
) ?+ b2 M- n6 O/ t
(progn
% R2 m( ?$ b0 l1 A1 l (if (> (cdr (assoc 70 ts)) 0) (command "LAYER" "T" "CEN" "ON" "CEN" "U" "CEN" ""))! x) I' Z- z y" W
(command "LAYER" "S" "cen" "")4 V) g+ q* {' N" K
)
& C0 g2 b& V, n6 M: m )' Y. d0 J6 L9 G6 h1 ]/ L0 ~
(command "circle" p2 pitr)
* h5 G2 k" R1 ?7 e4 T' s (setvar "BLIPMODE" sblip)- @0 f+ i5 L- Z7 Q) y' O! h9 c
(command "LAYER" "S" clay "")# V |7 u0 ^0 F2 k9 ?
;
; s, S, x: g p+ g' m3 I (setq a1 (- (/ pi 2 ) 0.1))" ~$ P8 D5 e/ m) R) ^
(setq a2 (+ (/ pi 2) 0.1))
! s: w/ a3 P. I: G (setq pz1 (polar p2 a1 basr))/ l% f) ~/ k0 }0 B
(setq pz2 (polar p2 a2 orad))3 b/ o/ ~( ]' |. Q) f
(command "zoom" "w" pz1 pz2)
/ l1 |3 Z- h2 l- O5 L& c$ c (setq s (ssadd))
; s$ N9 |# D; d% b/ z% |! M7 b (setq le (entlast))1 A1 X' C0 \6 v6 P1 h+ a
(setq test 0)# w' c. A! R; t" G( u/ Z& }% r
(command "pline" p5)
# D, u& g" Q$ Y (setq p (+ incr p ))# Y7 s: h3 [; {$ {4 R
(while (> pnts 0)+ {, b8 e* r3 [9 O1 d$ \
(setq e1 (sin p))3 }8 W% T0 S' Y& [3 k7 e# s
(setq e2 (cos p))
2 W7 Q, `' Z% W% ^% r (setq e (/ e1 e2))" z' w6 J3 E% }! [6 M- P7 A2 G
(setq j (- e p))
9 Q6 e$ I0 [% r6 c/ K# V (setq x1 (* (/ (sin j) (cos p)) basr))
, W. C# s! u& E9 X. N# i( I- ` (setq y1 (* (/ (cos j) (cos p)) basr)); \- X l7 e' H- f5 ^
(setq x3 (+ x2 x1))' E1 m3 V) {0 }! h* i
(setq y3 (+ y2 y1))
( l! R- j( d4 [* G) _ (setq p3 (list x3 y3))
1 {* {# z; I$ l& B: @ (command p3)) {* }6 ]1 f" i% b
(setq p (+ incr p))
; n" ]8 ]. a3 m2 r2 N* t9 o (setq pnts (- pnts 1))8 k" U0 d% _1 f2 J) `
(if (/= test 1)' q* W( L' U4 q. Y) B5 m Q
(progn
0 i9 h: o* e6 a5 i- X. u, n (setq hyp (sqrt (+ (expt x1 2) (expt y1 2))))
3 z: t7 N1 ^* ?, ~! q) m& } (if (> hyp pitr)
* ?& Y/ B6 v6 K3 E5 | (progn0 D& z1 C( v( ~
(setq pint p3)
- j8 Q5 s) W. K& o4 d (setq test 1), S# O) y9 _+ |/ @- g* ?
)
5 c* L+ @% A2 k8 B )& p8 N) J9 ~6 W0 @+ r
);endif. t- ~3 J1 \# B) X
);endif+ M: m! e9 j5 \9 U y# Q9 {, y
), ~$ y5 d: _+ E" W, y
(command "")
# D z0 R4 K3 j% x (setq L2 (ssget "L"))
2 \4 |* A4 h) H. r4 \+ @8 V/ T4 C (initget "Y y N n")
+ p- o) b# h0 Q8 i! z& v, t8 [. P) t (setq ans (getkword "\n Finish the gear ?:<Y> "))3 @5 d' O4 _) g4 o3 x0 l$ X
(if (/= ans "N")' ]) D2 p0 i( L: V3 N4 `% [5 E6 i" Y. i
(progn$ S0 [8 c0 d; W+ c: E+ ]
(command "zoom" "w" pz1 pz2)
% Q0 j2 m9 f, j% C (setq p11 (osnap pint "inter"))5 s" T" D0 x. g& z: ?
(setq ang (angle p2 p11))
. X! z" y$ u. V) o4 R ~ (setq angi (- ang pang))
0 d& N4 V( T: A' n3 ^! O" a" D (setq p12 (polar p2 angi 1.0))
8 M3 Y5 K' P' J* F+ Q5 m;
9 r% s) n4 [* e6 ?8 Z) Q* O$ K (if (< (* 0.94 numt (/ 1 diap)) (* h 2.0005))2 V+ Q# ~9 ~ w& y
(progn
" v, C N# ` w# d$ N (if (< numt 42)4 o3 A" G& Z7 s/ v
(progn
! M/ ?* m/ {' Y: R: E' Q/ N% l* v (setq p56 (list x2 (+ y2 r0)))0 U; v* g- E1 G6 a$ y
(command "line" p56 p5 ""), o% j0 l. @" N# L' w% U% z
(setq L33 (entlast))3 |% M# D8 L0 C- c) P7 K5 ^
(command "zoom" "w" p77 p88); H: r( ^ Q7 T/ a$ g1 U" q
(command "mirror" L2 L33 "" p2 p12 "")
7 I% y# ~9 ^3 A. G4 A (setq adj1 (- angi (/ pi 2)))5 _; D9 M! n/ x9 W0 s, c0 c
(setq adj2 (- (/ pi 2)(* pang 4))); N+ ]1 c+ ?) C4 Z
(setq p17 (polar p2 (+ angi adj1) r0))# I( {) C* E# Y$ U: o( z. F
(setq p16 (polar p2 adj2 r0))& f1 H3 L4 j" n' Y# u9 t: z
(command "arc" p16 "c" p2 p17)3 y% \, [5 h9 j% z( i! r
) ;end progn. `3 G& S3 n1 L, X: W; S
(progn7 r6 p# x/ y* L0 \* s3 b$ d3 F D9 v& x
(command "zoom" "w" p77 p88)" d# {0 e3 b! v& I6 x
(command "mirror" L2 "" p2 p12 "")
; u( q4 K" e% h+ S8 O (setq pL1 (entlast))
/ p# }# |% `2 H (setq adj1 (- angi (/ pi 2)))0 G2 e. W$ B; S* p. z( P
(setq adj2 (- (/ pi 2)(* pang 4)))& H# }2 u; \% k9 q, Y# i- X, B' O
(setq p17 (polar p2 (+ angi adj1) r0))' Y( k( ?* B. z8 p4 z4 W
(setq p16 (polar p2 adj2 r0))/ {# r$ q! B: G3 v, n8 W+ c, R
(if (> numt 101) u) E7 B5 I) E4 h* C$ }9 U
(command "arc" p17 "c" p2 p16)4 c$ q/ Z- U& K2 a
(command "arc" p16 "c" p2 p17))
* t, S( i- V0 ~ (setq arc4 (entlast)): ?4 X8 F' P" @/ u0 ~$ ^7 D, T/ V
(setq p171 (polar p17 0.7854 (/ 0.4 diap)))# G7 h8 i h7 u; P
(setq p172 (polar p17 3.9 (/ 0.4 diap)))
; s2 p/ O2 z$ }" V) L (if (> numt 101)
& E. r! V- ?) Z2 x6 J: z( j, S& g (setq p18 (polar p2 (+ angi adj1 ang0) r0))* d9 D% a) e# B$ A
(setq p18 (polar p2 (+ adj2 ang0) r0)))
& @# t }% W' w$ K (setq p181 (polar p18 2.3 (/ 0.4 diap)))
+ y5 k" L3 t W: K* c4 G- Q; [' ? (setq p182 (polar p18 5.5 (/ 0.4 diap)))6 s; \3 }9 G& R4 h; V p
(command "zoom" "w" p171 p172)
1 C. W4 ~/ s5 {" N+ B3 ~) S (if (> numt 101)
) X% v; \( w8 L9 W0 c3 Z (command "extend" pL1 "" p16 "")
0 j! X; N ?% P; { (command "extend" pL1 "" p17 ""))- o& `3 K; p2 y0 N; C
(setq ang0 (/ (* ang0 180) pi))
4 R) s. ^( P3 U6 O (command "rotate" arc4 "" p2 ang0)2 j8 D. Q+ U; C. P( N
(command "zoom" "w" p181 p182)
; c* e( J4 ?0 I (command "extend" L2 "" p18 "")
8 L# e6 i. K6 i% q* O$ Z, x. x (command "zoom" "w" pz1 pz2)3 Z/ \, r) f4 ^: c( V# G! z6 z
(command "trim" arc4 "" p5 "")
" w: f8 A7 D2 F* H, k" M8 Q8 M (command "erase" pl1 "")2 z. X* s- r' W
(command "mirror" L2 "" p2 p12 ""), ]4 G" X3 Y: C; i2 t3 k+ \# l2 m& W
) ;end progn0 D4 c$ G$ D/ e8 f$ `; i0 E- i0 b: Y4 }
) ;end if" O X. n+ j) D& A& ^
) ;end progn9 h7 j+ v; @% `: p
(progn
# ^ d2 w+ q% |& C4 }% W! T' W: ] (setq ang12 (- (/ pi 2) (angle p2 p12)))
: z+ j" J9 {2 }8 }. M+ g6 I (setq ang57 (atan (/ r1 h)))! _- n5 e* v2 e2 R# N8 Z1 O3 q
(setq ang58 (- ang0 (* ang12 2) (* ang57 2)))/ ^ ^! l5 _; h
(setq ang577 (+ (/ pi 2) ang57))% b* R" O, m+ n* [8 y; [* b
(setq ang588 (+ ang577 ang58))9 w+ `$ D; n2 e4 q4 z$ J D: U
(setq p57 (polar p2 ang577 (+ r1 r0)))5 Z& w+ q; x" y2 D
(setq p577 (polar p2 ang577 r0))
2 t# J( x* ~/ y3 S+ h (setq p588 (polar p2 ang588 r0)) 6 m! D7 @8 ]" D2 F: h
(setq p56 (list x2 (+ y2 h)))
1 c2 F5 s+ s/ H; X" n" g- ^+ l (command "arc" p577 "c" p57 p56)# z6 n: j n, {. w8 h4 k7 V
(setq arc1 (entlast))/ o3 l7 W0 o2 v ?
(command "arc" p577 "c" p2 p588)
* g* T8 m6 I6 E1 u9 @$ P+ b (setq arc2 (entlast))
2 @3 e, l% M% e& Q (command "line" p56 p5 "")
$ y4 v; x$ E: F; b; { (setq L33 (entlast))4 F& h$ F3 W0 j7 O( V% X; f
(command "zoom" "w" p77 p88)/ t! r7 j5 l l ~0 H
(command "mirror" arc1 arc2 L2 L33 "" p2 p12 "")
' b2 r5 h- d# ^* w (command "erase" arc2 "")
8 X+ y y9 V2 o. K ) ;end progn & ]% a+ E7 r/ A/ V, s
) ;end if
5 ?. X' z W/ W8 A3 m5 |;
0 [2 R. f4 O( b. V8 j4 F2 Q (setq beta (angle p2 p3))8 E# K& F' O. g5 t
(setq ang2 (- (* angi 2) beta))
9 a" w9 o4 H0 X' E& ~% Y W7 d" ]$ c (setq p15 (polar p2 ang2 orad))8 k; R, I+ R4 D; f. ], e# Y! T
(command "arc" p15 "c" p2 p3)
) O: N' W+ F& v3 S (while (setq le (entnext le))7 ~" g' c7 D) j5 [ Z+ M6 q
(ssadd le s)
/ z; A: x, m+ j& q: T) S2 n )3 j% x& J# [1 N. Z; w3 y
(command "array" s "" "p" p2 numt "" "")
7 l) W0 X1 b; w$ d (setq q1 (nth 0 p2))
2 t/ s6 C# m& U$ P) d9 e' h (setq q2 (nth 1 p2))
& u1 \ B) {7 y1 p5 i (setq q5 (+ q1 pitr 2)): s9 x6 \5 i. y0 u) `2 X
(setq q6 (- q2 pitr 2))* V; x, k' C/ v+ g
(setq q3 (- q1 pitr 2))
( v. x2 i, ]/ I (setq q4 (+ q2 pitr 2))
" z4 V7 e# v( F3 j1 }8 z (setq q1 (list q5 q6))
. W% i' v, L% I6 ~9 ] (setq q2 (list q3 q4))
: S l$ O' a6 E+ m (command "zoom" "w" q1 q2)
4 b1 ^! `+ g) w" P$ s# [) B3 u ); a. ?2 m X9 n+ z. ?* Z' V% s8 L
)
) D4 c C: v$ M) N (setvar "pickbox" 5)
3 f4 K. f% ^& R" z1 h7 G (setvar "aperture" 5)
* X" E- N* x4 Q3 d+ j( ] (setvar "osmode" 37)0 y7 T0 Y; I1 G0 X G
7 `/ X$ w/ R# ?- n: F7 `9 h
(princ "Finish gear ")
0 d" Y% }" w# P5 S' T& z- o- h) f (princ numt)
1 \8 F. d. R9 {: p" J (princ "T")! G% ^4 ?8 m; o" {( W; j
(princ)6 A; g0 U! I- g/ q
)
: \. w1 }7 Q/ w2 A
7 J( p% o% y% @! Z' Q3 Y |