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[求助] 二维齿轮怎样生成三维的,我还想镜象下,生成啮合齿轮,

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发表于 2009-5-16 14:22:59 | 显示全部楼层 |阅读模式 来自: 中国内蒙古通辽

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Private Sub CommandButton1_Click()
) _" F2 v0 D* M       mNumber = Val(UserForm1.TextBox1.Text)1 }" B  q* s. `3 h; o# b/ W& B( o
       zNumber = Val(UserForm1.TextBox2.Text)
3 T+ w/ Q1 c! C: O       aAngle = Val(UserForm1.ComboBox1.Text)
6 q# E' i9 M9 W  a       ha = Val(UserForm1.ComboBox2.Text)8 A& G5 S, h9 e  w0 D
       c = Val(UserForm1.ComboBox3.Text)
8 B& O* B# Z4 D7 l; `      Unload Me
& V# w3 m* m& y. d4 P; P      
% r+ @) I3 {  ~( x. _3 |      If mNumber = 0 Or zNumber = 0 Then/ [( q& R0 f+ s% q4 r7 `
        Exit Sub* x, q/ I9 Z# C5 a- {/ z
        
3 D) |9 {2 Q+ FEnd If0 |# x) o2 M0 I
     aAngle = aAngle * 3.1415926 / 180
$ j+ y, u1 x, x6 X+ C- H     $ P3 H: Z9 @7 t2 K
     ( C* s# ?& N* ~2 Y* ?7 T7 a
     9 d5 V* A$ u2 i7 i: Q6 Z# H
     7 R; l- D: X# T' F! v; A1 _
     " A% G) S7 b" H% S2 q
   Dim bAngle As Double9 j# c: i& {, f! P0 f' C3 K8 _! v
   Dim X1 As Variant, X2 As Variant
  v1 ]# X& g" |4 a6 T; R7 K   Dim Y1 As Variant, Y2 As Variant
' _3 I6 F5 `4 ^9 q. W/ I   
# Y, C+ f* G* ~' u3 P/ e5 e   
  _- F9 [8 z. K. U% O# H   bAngle = 3.1415926 / (2 * zNumber)
4 l+ o$ W% o% l; E: r/ h1 r+ ]; V' k     y" C* d! f/ q9 z0 E# j6 x) y
   X1 = -(mNumber * zNumber * Sin(bAngle)) / 2$ t. d% E4 S& O9 Q3 Y
   Y1 = (mNumber * zNumber * Cos(bAngle)) / 2
: O) Y/ c6 n6 G/ K9 |( s! a9 k/ u- g   
. V8 ?9 o: D% n$ T' p   X2 = (mNumber * zNumber * Sin(bAngle)) / 2
5 F3 M% K, W( L3 `+ U7 @% U   Y2 = Y15 G* f5 K7 {5 t3 V4 Y/ U
   
; S* Y& Y( b; k; x   
; H+ O, d# Z! u# L( L* B/ y, @   
/ b! P5 T7 d2 B1 T* _, r   Dim bbAngle As Double2 W$ q: z* Y! P& {4 h
   Dim inv_a As Double
) H0 x- S- P& D: \5 A5 r/ J   
/ d# S$ l3 x# j/ n& d! R   Dim Xb1 As Variant, Yb1 As Variant9 j7 z% X, S+ N
   Dim Xb2 As Variant, Yb2 As Variant
$ A5 H  r5 l8 @% G1 S" O   + F+ G" J0 X' {4 F0 u6 C; p8 D
   $ m* W! I9 O  i% a7 p
   inv_a = Tan(aAngle) - aAngle/ p. V  u6 c$ \$ A# e
   bbAngle = 3.1415926 / (2 * zNumber) + inv_a0 M# J/ W; X' d8 D3 ], [2 K1 {
   8 C0 v' H4 s/ l' S
   
/ M& X  O2 z6 Y   Xb1 = -((mNumber * zNumber * Cos(aAngle) * Sin(bbAngle)) / 2)) G/ I% d8 N2 w' l3 {  g8 z  p
   Yb1 = (mNumber * zNumber * Cos(aAngle) * Cos(bbAngle)) / 2
0 v( n- w; p- y   ! h& ~/ O! \( I. J$ W3 p* ]$ |
   Xb2 = (mNumber * zNumber * Cos(aAngle) * Sin(bbAngle)) / 20 N" N7 }) V! X5 h
   Yb2 = Yb1
/ N# E' f" \( D   
+ a  H) G0 t9 Y5 d   
9 U; J- {' L8 d* a8 |! N   Dim aaAngle As Double/ j" T0 S  P3 E: \
   Dim baAngle As Double
8 i  l$ U  v# o   Dim inv_aa As Double
9 U2 P3 K9 }6 Z; }( T/ X7 w   
1 y- O5 l$ R+ k; S# ^   Dim Xa1 As Variant, Ya1 As Variant/ j  \4 D: G/ h: ?- h3 E( B
   Dim Xa2 As Variant, Ya2 As Variant/ o# u9 d0 m/ {$ _& z9 r$ y* S
   Dim a1 As Double" k+ u% T( y8 a9 J$ D+ c9 C
   : t) t& T, P* Q& v! U* R( Q
   a1 = (((zNumber + 2 * ha) ^ 2) / (zNumber * Cos(aAngle)) ^ 2) - 1
5 Q; \, `1 M& o1 L2 A4 ^   inv_aa = Sqr(a1)
+ V. A( u5 i+ [& b, }. A( @   aaAngle = Atn(Sqr(a1))3 A: e+ y, r. O: [0 v5 X: @" r
   inv_aa = inv_aa - aaAngle
2 v. @- k4 W* B% \9 T  g   baAngle = 3.1415926 / (2 * zNumber) - (inv_aa - inv_a)9 C% |" M. H: s
   % \, S$ c( v: p& Z
   
# C2 r) N8 F2 R1 l. W/ j- N/ w   Xa1 = -(zNumber + 2 * ha) * mNumber * Sin(baAngle) / 21 N, P+ [* q" |
   Ya1 = (zNumber + 2 * ha) * mNumber * Cos(baAngle) / 2
) j5 O8 l/ ?& @7 m" P' b2 Y   
/ X- ^( M9 c& }- o6 \6 J: o- C' R   Xa2 = (zNumber + 2 * ha) * mNumber * Sin(baAngle) / 2
. o9 F) u) k$ i# r# d# |: B1 U  e   Ya2 = Ya1. X4 q/ v- p( _* \) _& C
   
: b# ^2 e7 v: m9 ]   . Y4 S7 r* c6 g
   Dim Xaz As Variant, Yaz As Variant: `$ X7 N6 P, |9 n& i1 d
     @. Q- _: ]4 U4 ~* {. m
   
, l0 C5 H: T# N6 o6 J( d   Xaz = 0: Yaz = (zNumber + 2 * ha) * mNumber / 2+ ~; ]1 u2 l0 S' B# X
   
' S; E. H3 S( [: p/ f; s   
7 ]6 M/ z5 ]7 j  f- Z   
0 o" W% p2 I1 P4 p( r8 F& E   Dim blockObj As AcadBlock
; z( I3 l* i" O9 w( c! i  v& L   Dim insPnt(0 To 2) As Double  _+ ^( a# M( s7 R
   Dim allEnt As AcadEntity
9 _) c4 F' Q- m$ w6 \4 M7 g) l   Dim blkRef As AcadBlockReference
' |# n3 N* [/ ]  ?, V2 C: J   Dim blkCount As Integer
* z2 x; |2 A1 r% n   Dim blkName As String$ b% O: W" Y  a
   
! Q& u2 j/ t* Z; `1 D4 I   
: u4 o- ~" U) z/ s) m( B: ?   For Each allEnt In ThisDrawing.ModelSpace6 r$ L) r/ u& U8 Z+ `5 O
       If StrComp(allEnt.EntityName, "AcDbBlockReference", 1) = 0 Then" @0 V; v! Y8 f' R' f8 m/ b
            Set blkRef = allEnt! ]# e: `; o, ^* \" d
            If StrComp(Left(blkRef.Name, 7), "blkGEAR", 1) = 0 Then. e. e) f5 q1 v) E. R; R& V
               blkCount = blkCount + 1; X) O$ f1 P2 n# p5 E( }
        End If7 S( ]+ T0 k7 ^
     End If
6 j' H. r& \7 \. q   Next4 v9 o1 r9 T! x! r6 f# U+ p9 H
   blkCount = blkCount + 1
$ H. Y8 U( i1 |- i   0 D' a$ j: Q# R% D- Y
   
1 L9 ~4 h6 w( W3 H, `$ I   
9 |# l  g. H+ T. D, ^, L   insPnt(0) = 0: insPnt(1) = 0: insPnt(2) = 0
; O. I7 {( ^9 n6 m$ E9 h   blkName = "blkGEAR" & blkCount% c: m; M8 X$ F, K
   Set blockObj = ThisDrawing.Blocks.Add(insPnt, blkName)6 Y. ?( l: j) F
   ( M7 g+ V; h) y$ G( v; i  K
   
7 A8 d8 l. L5 j7 K4 o5 P& _4 r   
! ?. ]" p+ X7 q& c* q8 l3 ]   / y( }6 p$ x$ t2 @0 e8 w6 `
   Dim sTan(0 To 2) As Double
4 H, K! v! c" q9 ]9 r   Dim eTan(0 To 2) As Double4 }$ N" e" J# k9 S9 l
   Dim fitPnts(0 To 8) As Double$ w; v# v; i; S% m. H+ o# r
   Dim splineL As AcadSpline
& [5 U; y) F: w$ o. I, I   Dim splineR As AcadSpline
7 Y7 T5 A; z' h  ^1 p+ [* I( w3 K   
2 e+ p7 W/ [% @, N$ h& z3 T/ T! a. ]   
1 g! ]" r1 [4 L   ; v+ y7 [) q$ x2 p8 ?! ^
   sTan(0) = 0: sTan(1) = 0: sTan(2) = 0
/ C' x% o* _/ }1 h: G, g   eTan(0) = 0: eTan(1) = 0: eTan(2) = 0& T2 |+ e2 G, D( d
   fitPnts(0) = Xb1: fitPnts(1) = Yb1: fitPnts(2) = 0
  k# J2 Q, ~7 I   fitPnts(3) = X1: fitPnts(4) = Y1: fitPnts(5) = 0
$ w4 T7 |$ P2 F( D   fitPnts(6) = Xa1: fitPnts(7) = Ya1: fitPnts(8) = 0
" v. p5 W4 M+ v+ \   
  f) N4 L. c' D. S  }   
! R8 O/ I3 |; q  x+ F+ T) J. s) r   
7 K; B" z0 L0 R, S& }- V   Set splineL = blockObj.AddSpline(fitPnts, sTan, eTan)& t% h( l5 e0 _. O" V, n
   
- O$ `. ~) z: H4 a$ {   , F% [2 _: Y% u! Y# c& H1 h
   fitPnts(0) = Xb2: fitPnts(1) = Yb2: fitPnts(2) = 0+ u5 J0 e8 S. K$ ~" e
   fitPnts(3) = X2: fitPnts(4) = Y2: fitPnts(5) = 0
5 }' U- T% D+ O/ m4 r   fitPnts(6) = Xa2: fitPnts(7) = Ya2: fitPnts(8) = 05 q2 c7 e- r9 h# I4 \, E
   
5 e! N/ M) T; \: {7 `# F! f  a   Set splineR = blockObj.AddSpline(fitPnts, sTan, eTan)8 ~6 i  v& G/ \/ c! A0 P* l5 d
   9 k  |' D* w- Z
   
! G# c: Q. p, A   
' |: e) ~: E- E. [( y: p   Dim Ra As Double6 I* h! {8 {) I9 }$ ~7 `7 ~
   Dim sAng As Double, eAng As Double
2 v# h, ^# A, q2 M0 s5 b   Dim arcObj As AcadArc/ F1 k9 G0 V  r6 h7 F
   ( ?. E% |' A1 a. d3 u& y- J
   
6 V  S% n  v3 J' V0 u$ ~0 _- {   Ra = (zNumber + 2 * ha) * mNumber / 29 m9 b# }( R! s# I; t' }' N
   sAng = 3.1415926 / 2 - baAngle# e0 B: v& S2 n7 {; e
   eAng = 3.1415926 / 2 + baAngle
4 i1 ^4 k' ]9 e! E% ~* ^9 c6 H   
+ V6 N% R2 F* F1 `7 [6 y8 D4 \7 l% b   
' i4 f: J6 c' p: D, |! z   Set arcObj = blockObj.AddArc(insPnt, Ra, sAng, eAng)
( b- i- V/ C7 I) x2 [   
2 ?! h% m& o( f' W- A% C   * q8 |' t& }+ q- Z$ c2 i' Y
   Dim zAngle As Double# d' s, I+ r1 a
   Dim aveAng As Double+ n) Q% Q9 `1 K; @
   Dim Rf As Double/ \2 a0 {# P9 V1 a9 R1 ?
   Dim gd_X1 As Double, gd_Y1 As Double: Q8 H2 m- ?  W% d+ Q% t- `
   Dim poly_arc As AcadLWPolyline3 m; Y# j0 r# \/ {6 f
   Dim points(0 To 3) As Double
- `! U) x" A2 n8 t: v( L  ^; N   
* u# L5 B( M! [/ ~   4 g" C' X1 e8 B) {9 h# P4 b8 c! m- ]
   ) P* L* D5 R7 A9 k/ |4 R/ S
   zAngle = (360 / zNumber / 2) * (3.1415926 / 180)+ w1 |1 W  |/ J: A: H
   # a7 {1 s' z, p, ^" t; Q5 R! ~
   aveAng = (bbAngle + zAngle) / 2: h$ T# M& L" O2 z1 [, i. r
   " s. v! C+ B9 ?8 m; }
   Rf = (zNumber - 2 * ha - 2 * c) * mNumber / 2
! O, P( c) V$ R5 J1 {, Y. W- Q   * m2 t9 j3 R; ]5 F
   5 f+ s& n* h8 X
   gd_X1 = Rf * Sin(aveAng)
, a8 J4 n- t7 T. L+ o% d" o   gd_Y1 = Rf * Cos(aveAng)# M& |' G, P3 [1 _( t
   1 K$ q! I2 m, N, h& N
   . G1 {0 @4 }/ Y5 L
   points(0) = Xb2: points(1) = Yb2
5 `' R9 k7 j9 n$ k   points(2) = gd_X1: points(3) = gd_Y1
) P$ ~: J  o9 w3 c+ |: G, g- X( I, w7 Y   . o$ J( B. p2 m2 f
   " V( T/ m" [  F# j# [% i0 J
   Set poly_arc = blockObj.AddLightWeightPolyline(points)% w. l  Q( c, W$ R" g: f5 u
   " s2 a" S2 w- k# i9 U0 L
   - r, i" r, }: q7 w2 X& B8 Y0 {- M3 Q9 d
   poly_arc.SetBulge 0, 0.2
2 I& k4 `! Z: L6 Y2 Z. O' B! ^( G   poly_arc.Update3 F9 t) K3 A$ ^9 b( T8 H$ l- t
   5 t- K% s5 r0 L
   
6 D3 h( F! u% g  O# e$ m   , Z  |1 W7 V$ u9 {* {
   8 V7 R5 I6 c1 X8 P5 C' J
   Dim arcfObj As AcadArc
% C6 m: e8 D3 S   4 i+ r& l7 k7 C0 u9 [- f' x" e
   
7 X$ ^3 O9 y$ V   9 ~1 J0 W( u8 x
   sAng = 3.1415926 / 2 - zAngle
) b2 M4 s- G4 N+ k! W   eAng = 3.1415926 / 2 - aveAng5 m& O7 w( a0 z5 k
   
2 t( s! y$ H' ?# U! g& X/ T$ q6 c3 ]   
7 I) u' B) g$ M2 j0 B   Set arcfObj = blockObj.AddArc(insPnt, Rf, sAng, eAng)& P' x8 I. H3 y! ^" U$ t
   
9 N; Z/ C- U1 E! b/ S$ F   
" h) b! r0 W7 X9 [5 b1 x+ p+ |   
2 g" H1 b. p4 g/ e7 a8 i   Dim mirPnt1(0 To 2) As Double+ l4 T  h7 F# Q4 g: t0 X
   Dim mirPnt2(0 To 2) As Double
+ P; l# w/ f* Z# W/ c3 L   Dim poly_arc1 As AcadLWPolyline2 }" v9 l0 S( w' E7 R
   Dim arcfObj1 As AcadArc2 B2 P+ O8 H2 r
   
# G- q* Z( N) A' Y, B  v   - O7 @$ W8 s6 g$ _9 H7 _& Z
   $ J0 j- _; X+ }; d& o/ p  Y0 _8 q
   mirPnt1(0) = Xaz: mirPnt1(1) = Yaz: mirPnt1(2) = 0& B5 S  X8 ~3 I9 o
   mirPnt2(0) = 0: mirPnt2(1) = 0: mirPnt2(2) = 0
; E( r2 I/ p  w& `$ z& k0 H   4 k# B% H! E# z8 [7 [! @
   # S  r0 A2 c! W5 b3 X
   2 I6 a4 w4 A" ]& [+ ]  j8 H
   Set poly_arc1 = poly_arc.Mirror(mirPnt1, mirPnt2)  Q7 P- H  u4 I$ C9 X% C
   ! a* g) F# r5 N' ^, a; t
   4 s. M1 @; G0 Y5 ?  ?8 z  ?& Z. `
   Set arcfObj1 = arcfObj.Mirror(mirPnt1, mirPnt2)
- T4 t4 \+ T( J& A# S   
: b6 e8 w- l$ {& f! Y0 u5 r) Y   
* Q1 d& s5 r" Y* }   
3 n* k6 K# @" i  \1 }% v% q   
: c* P. J9 G: R' E, w! z; j   Dim blkRefObj As AcadBlockReference
5 v1 A  l* ~" L; i* U* v$ N   Dim insertPnt As Variant
4 h8 o5 `; C) \: _; L   Dim rotangle As Double( A( ?9 A9 L) v2 _5 z3 h; P
   Dim I As Integer
* R# R2 s! s) {" V- {" J   # q  Z( O! ~7 {. z5 I: @" }
   
# d9 r* H# F3 s/ c6 {* J   
, }8 e9 R! u* R3 a   insertPnt = ThisDrawing.Utility.GetPoint(, "选择插入点:")
, L; r, R9 p, X9 s( j9 q, J$ j   
- W1 K7 c- t# W$ j   " p' S& y0 [7 N2 b4 E
   
2 O+ n, U3 f% i$ Y   xscale = 1: yscale = 1
/ i/ ?- q8 B) s- U  x5 F& P   
. ?0 o0 X9 Q$ n   
) w) j1 j6 u5 S6 B2 {5 N   On Error Resume Next
) k/ g& ?, T5 y& }# x. L! b: g   1 G$ X- o9 e  g7 J
   ! Y# ^5 q. ]- S7 j; Z' ~" u* S
   xscale = ThisDrawing.Utility.GetReal("选择X轴比例因子(默认为1):")7 D0 ^1 `7 F+ M2 e" K
   : |- h$ x$ V# G3 u4 S' D2 h
   yscale = ThisDrawing.Utility.GetReal("选择Y轴比例因子(默认为1):")% O2 [# q. Y9 X. H. b' b
   
( c* C! Y1 L* a. Q   
5 }2 z8 p7 S% G% B( V: j8 g+ _   % O2 d- Y. e- R2 J$ p# D3 E' F$ f
   For I = 0 To zNumber - 1& I% W) T0 r9 P+ ^& P2 s! {
   
% \5 T7 @; ^' ~# r0 F         rotangle = I * (360 / zNumber) * 3.1415926 / 180
5 D$ p1 F2 q' I/ [8 {' r& w         Set blockRefObj = ThisDrawing.ModelSpace.InsertBlock(insertPnt, blkName, xscale, yscale, 1#, rotangle)3 `. V- O5 m8 I8 s$ j
         
3 a4 ]) O+ U  m% ^         
% L  r0 {# F) g( ?1 e! c9 ?    Next
4 l( d: [7 ~9 g- w/ s; e" F" Q   
4 B1 a; I* ?) g   
% J$ K. E+ U( L: V    # ?$ B/ R9 N9 b: S
    ThisDrawing.Regen acActiveViewport
0 L1 \% R6 @1 F# s; w5 X9 m; b9 T    * g; q; I1 F. z2 Z5 h) [
    8 n8 y" X% r7 D$ b" r, U. B4 l9 R
    9 T3 b/ W& s' D; e2 p
   End Sub" i. D$ [8 E) w! s% {2 Z

" @4 p% w! k- S; h$ g1 f4 E! p# Z2 ?+ E% z* o: n, X
Private Sub CommandButton2_Click()) C/ H: d' c6 ~9 r1 s( R+ X5 U

: A( i! c4 i3 j  m- X( F/ ~2 j1 }       Unload Me
7 Z6 ?$ e6 W6 f, J1 vEnd Sub2 k6 m% }5 |  u" q& ?

0 d* D* |* [3 J( B' d- NPrivate Sub UserForm_Initialize()/ E) f* j% j9 ^& w
    '默认时的参数值& z5 F! h; [- s% e5 w. B- c
       mNumber = 0- N0 n4 j6 ~: M# V
       zNumber = 0
6 v. B2 n$ D$ R' q7 n$ i) R       aAngle = 20
3 @5 J3 F" f" |       ha = 1
; n/ p  n) K& q. _) ]2 z       c = 0.25
1 k2 l2 I+ M5 q       . A1 Z2 H# Z; z$ q" R7 j8 O
      
  N# f  z% }4 Z7 f' r$ e. V" @+ Q       '添加压力角组合框的值
- |  Z; ]/ S! M2 A7 y; [      
" _( b& n$ o% d# L    UserForm1.ComboBox1.AddItem "20"
5 G3 @9 b( x- }# _( L    UserForm1.ComboBox1.AddItem "15"
9 u/ T. I4 e" N5 `! z$ ?   
% R% L4 v6 \- o1 P! x9 S) X   
9 K& M3 V( b' R0 U( b, s3 k' d9 N       '添加顶高系数组合框的值: ~( L, D- V: i( N
    6 T2 d% x+ j* q( U8 r# ?1 s! r
    UserForm1.ComboBox2.AddItem "1.0"
6 w+ W  N0 Z6 U5 I$ o4 C; B    UserForm1.ComboBox2.AddItem "0.8"1 a& o1 R- E! u1 B& E  |
    4 `  ^; k! X- C+ |" ~
    # l- X+ k; w3 x5 A
       '添加顶隙系数组合框的值& B, i; [; b2 k% x* Q
    - H, K5 Z+ u1 x0 i0 _
    UserForm1.ComboBox3.AddItem "0.25"1 e7 I1 m, J) W$ L0 H$ A
    UserForm1.ComboBox3.AddItem "0.3"
0 _1 o5 T- [  P/ D6 y4 ]' c      |3 {4 q9 q/ S. n) V$ J
        '设定组合框初始状态显示的值
4 A) ?- I7 A/ [) }/ M- k; v3 Q    UserForm1.ComboBox1.Text = "20"0 R; L' i/ e9 j9 U) F9 Z
    UserForm1.ComboBox2.Text = "1.0". u1 Z0 k0 X1 I9 ^' J$ H) u$ x
    UserForm1.ComboBox3.Text = "0.25"% m: }! M; s8 `5 _1 ]' m
   
- A' m& O$ j4 r    : s/ `( I6 Z5 {
    UserForm1.TextBox1.SetFocus; c. B* l$ K( K3 Y
   
* r, P/ c- s/ Y$ s6 r+ T   
: \: E5 c+ c9 k- x) ~    End Sub
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