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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()
# o6 K' {" I: V& N. e       mNumber = Val(UserForm1.TextBox1.Text)
. Z" _1 S# g6 K, e6 Z       zNumber = Val(UserForm1.TextBox2.Text)
- q" d5 R9 p* t" ]- d       aAngle = Val(UserForm1.ComboBox1.Text)
: K1 @: e9 J$ z1 n* A* G' f" x2 ~       ha = Val(UserForm1.ComboBox2.Text)/ w+ k( Y& Q; _! q" F+ E% [1 u6 P7 y
       c = Val(UserForm1.ComboBox3.Text)
# {: V0 ]; ]; C" j. S1 |; G! X' F      Unload Me5 F3 V8 R  Z$ K
       3 w# k2 _/ X- L! A8 W
      If mNumber = 0 Or zNumber = 0 Then
9 D) ?! a$ K9 v2 m6 @0 k, s' E/ v        Exit Sub$ n# U9 w5 K# B! R5 s) z% J3 k7 Z
        
* I2 l2 u3 F  ?9 y8 o6 {End If4 t/ Q" l7 E: b4 U0 Z
     aAngle = aAngle * 3.1415926 / 180
2 T5 [7 Q9 t+ C4 T6 o- J     2 \4 t! D, T4 W$ W; F# `4 ]
     
( v8 h: |7 K; g1 B4 _     
: }  S0 |: z! h; F* x     
3 E6 V9 T, e" c/ r: J. m     
+ w* o6 ]+ a) V3 w6 T0 L9 N3 S: i   Dim bAngle As Double
& f5 z; v: [/ ^; X2 y9 h   Dim X1 As Variant, X2 As Variant! D2 p( w, U7 J$ }
   Dim Y1 As Variant, Y2 As Variant
$ p( r( {! }6 ?+ }& s   
- T! e4 h. G- P1 K: m' G+ `   
: [- ~3 D( a- @8 F   bAngle = 3.1415926 / (2 * zNumber)1 U, y( Y( L' o, a1 g
   
' ?7 F2 R% Y7 Z. v/ ^/ Q. Y   X1 = -(mNumber * zNumber * Sin(bAngle)) / 2' d3 T% x, E+ @2 U! F( l
   Y1 = (mNumber * zNumber * Cos(bAngle)) / 2% Y5 B$ h' H3 j0 K
   - ]$ X! _! G8 Z( l8 G9 N! T
   X2 = (mNumber * zNumber * Sin(bAngle)) / 2
, ~9 Q/ n- S9 r% R9 i1 e   Y2 = Y13 N/ c. N' K9 l
   
# r9 F8 E) ]% F* T5 \+ ]   
) A0 J; ?( F9 H! M7 c   7 ~& w( n9 V" d0 D6 t
   Dim bbAngle As Double" q3 M+ U5 x: h+ r$ y9 V
   Dim inv_a As Double: V; Q& \0 g+ r$ ~
   
0 r, v! s6 P3 t! }   Dim Xb1 As Variant, Yb1 As Variant
! e4 ?9 i. Y+ \3 _! Z) Q4 g   Dim Xb2 As Variant, Yb2 As Variant9 ]9 T8 C7 {. G+ J8 P: W3 j
   0 t; p( h6 s$ q+ H8 H! E2 W: e
   
$ R+ i5 e9 t! }7 p   inv_a = Tan(aAngle) - aAngle
) E( M: V* y* B   bbAngle = 3.1415926 / (2 * zNumber) + inv_a
3 [0 Y# \5 P: ]& m# P- ~/ G   
2 I& K5 G3 u. Q! f( {: U  |0 H   " b, ^5 c( ^9 ]6 H9 d$ w) g
   Xb1 = -((mNumber * zNumber * Cos(aAngle) * Sin(bbAngle)) / 2)
' R2 t# y# ?  u0 W- P$ s5 e   Yb1 = (mNumber * zNumber * Cos(aAngle) * Cos(bbAngle)) / 24 y# ~1 Z+ s4 ?% W
   
8 f. t0 {1 O! U) X. k0 f  R. s   Xb2 = (mNumber * zNumber * Cos(aAngle) * Sin(bbAngle)) / 2
0 L' o. I! w$ K" i# a  T   Yb2 = Yb1
" \' O( b/ v9 V. G   7 D+ ~9 F* A, f0 G$ x
   
% A0 ~: w6 ~8 D+ H5 W   Dim aaAngle As Double
" z5 V$ D. T, ~; O& u   Dim baAngle As Double
7 ?. b' e- @( O0 k: g8 b   Dim inv_aa As Double
6 g$ A( j# E; ?0 `- H1 V( s. x   1 M. E9 }  r; g5 r0 t1 J
   Dim Xa1 As Variant, Ya1 As Variant
0 R0 u, g2 p; R; k3 a( l   Dim Xa2 As Variant, Ya2 As Variant' n; G8 i4 I- U. E# ]0 n
   Dim a1 As Double7 l  r% {( e3 B3 K  I$ p' S; u
   : {- z" ^( J$ N( l" g5 U
   a1 = (((zNumber + 2 * ha) ^ 2) / (zNumber * Cos(aAngle)) ^ 2) - 1
6 c& P$ H* ?9 Z& I3 G; k   inv_aa = Sqr(a1)
; g' ]$ o% `- a: c   aaAngle = Atn(Sqr(a1)). l7 B! _3 C1 J# O; @  C' }6 I
   inv_aa = inv_aa - aaAngle) n7 o4 ]& T1 |" M$ R' R/ z" _
   baAngle = 3.1415926 / (2 * zNumber) - (inv_aa - inv_a)
) N5 L. K6 v8 E& s( _4 `$ A6 h   
! K) G% J# v: S$ |   
( s- o) ?# {4 o) L4 ~5 S   Xa1 = -(zNumber + 2 * ha) * mNumber * Sin(baAngle) / 2& v0 E3 }  O; j" R6 p
   Ya1 = (zNumber + 2 * ha) * mNumber * Cos(baAngle) / 2! v* t7 p0 L( B6 y4 B5 w
   0 J& w$ L$ F) s& e
   Xa2 = (zNumber + 2 * ha) * mNumber * Sin(baAngle) / 2, }9 U( G4 b- s$ ^
   Ya2 = Ya1  N9 y0 F- n9 ~9 I3 B  T
   
9 h1 K  I9 ?8 n   , q# G) T/ {$ K1 \" U
   Dim Xaz As Variant, Yaz As Variant
8 q$ C9 ^& h( t9 j+ [   0 j" u$ v! ?) l( y8 M6 |
   
3 s% G4 k$ `( w   Xaz = 0: Yaz = (zNumber + 2 * ha) * mNumber / 2
) q/ O3 ~% S( P7 H   + F) k) I$ j2 v) ~5 s, y
   
7 R! X, y" B( _9 t: M   
- `' F$ F& d* T# p   Dim blockObj As AcadBlock
! U* \2 Y# H% o$ {   Dim insPnt(0 To 2) As Double
* m5 y* j% h+ ^+ [( O+ q, Y; b   Dim allEnt As AcadEntity$ b" W9 U+ v8 B# M% W1 P6 c6 l
   Dim blkRef As AcadBlockReference
7 \( H) X, j, I) b" J   Dim blkCount As Integer
8 @+ t  [. E, ]* D1 h   Dim blkName As String
5 `# z" w, B& X# L   
  d+ w# v9 x4 g. _3 }" n% h   ) O/ {' t2 A: u% C& v- A7 |
   For Each allEnt In ThisDrawing.ModelSpace  k5 v1 U" Q# R$ ]4 R
       If StrComp(allEnt.EntityName, "AcDbBlockReference", 1) = 0 Then' h& y/ s$ D7 D0 V
            Set blkRef = allEnt
2 v# A2 O) m0 G' |; W! c6 V            If StrComp(Left(blkRef.Name, 7), "blkGEAR", 1) = 0 Then
- K6 P( [# x7 {- |               blkCount = blkCount + 1
& f; q/ e$ H/ O        End If
$ i; g* H* g( \" |     End If
- q9 y) X8 E1 d* b+ M% h   Next
3 @( p! F) L# m5 I' K5 U- P   blkCount = blkCount + 1
( b* U* Z7 g1 u. ?, B. r( {   8 C, q; N7 |& M# D1 B
   6 F% i6 `' U( V! B% o$ v( [- `' A
   , E! K5 T: f3 c
   insPnt(0) = 0: insPnt(1) = 0: insPnt(2) = 0
! q# w" r4 B( c4 m- F; v' A   blkName = "blkGEAR" & blkCount
7 o  W- |5 ?# |; i; E* e0 j; J   Set blockObj = ThisDrawing.Blocks.Add(insPnt, blkName)
/ K. w  l6 o6 N* e1 K1 L   
5 e0 V1 e( [0 Q; v+ @  ^   
' ?/ R3 S' Z  i   
% s. _+ D+ f% C0 z. ?) D   7 a! l! |$ V5 g6 J% O7 u
   Dim sTan(0 To 2) As Double
" b- R7 a  G6 `' U   Dim eTan(0 To 2) As Double
8 _; w8 H/ k3 x8 f2 v# a8 ]   Dim fitPnts(0 To 8) As Double  G0 T3 _( m# f
   Dim splineL As AcadSpline
& D6 M+ t# f' C. U3 v* R2 d$ B   Dim splineR As AcadSpline
# v/ Q, h# T8 S6 Y( ?$ v   2 v  X3 T8 }6 }9 J/ c6 h& ~% H6 p
   ; E6 s0 O' y' U. ]
   
* d2 C" @" M; D' V3 _# s   sTan(0) = 0: sTan(1) = 0: sTan(2) = 0
! n7 W3 {9 v( A) W0 B2 I   eTan(0) = 0: eTan(1) = 0: eTan(2) = 0' D/ E) H/ H+ z1 E# |! G/ k, L+ P
   fitPnts(0) = Xb1: fitPnts(1) = Yb1: fitPnts(2) = 0
9 z% |8 b' _7 `: v2 g   fitPnts(3) = X1: fitPnts(4) = Y1: fitPnts(5) = 0
' y! w, c1 E. k7 `  `* Q- W   fitPnts(6) = Xa1: fitPnts(7) = Ya1: fitPnts(8) = 0
. g& a6 M4 b/ Z, _% ~2 d# r     p1 z+ j1 t7 G/ n3 o+ u1 |
   
0 a+ F3 Q( C) D' L; e   
4 x  v. {7 q7 z+ h1 l' D1 Q5 U+ S. U   Set splineL = blockObj.AddSpline(fitPnts, sTan, eTan)( b  h( x6 E  ^/ s
   
" p. B4 F5 ?: }0 r9 ]% J; m   ' h, |, b0 s' n
   fitPnts(0) = Xb2: fitPnts(1) = Yb2: fitPnts(2) = 0* _- g5 V- L/ j+ X
   fitPnts(3) = X2: fitPnts(4) = Y2: fitPnts(5) = 0- u5 G' t8 W) b3 R+ h( M
   fitPnts(6) = Xa2: fitPnts(7) = Ya2: fitPnts(8) = 0
3 w0 J( A4 I' t  ~5 T( I& r   & P1 h' k( T  v% Y. }5 `
   Set splineR = blockObj.AddSpline(fitPnts, sTan, eTan). U" o6 d2 h) I: Q! a8 ?/ W6 A& u
   5 T& z  Z5 B- R& q8 ~
   
- o3 O$ n# B) U* b  p# Y  k1 y   
: i5 E; |; K9 N# |- g   Dim Ra As Double
* s: \* y0 }6 q5 G4 P4 E7 n   Dim sAng As Double, eAng As Double. O' \$ R3 c; k
   Dim arcObj As AcadArc
7 x/ {3 j0 S. U, p  m7 u   + c% w; u" t4 w7 U1 `
   
+ f2 N& }$ F2 W3 m# G   Ra = (zNumber + 2 * ha) * mNumber / 2) F1 l6 B5 B! I3 @" x9 z
   sAng = 3.1415926 / 2 - baAngle) v3 S/ @  K( z
   eAng = 3.1415926 / 2 + baAngle7 i% m$ F/ b' F& t
   
3 e: j7 Y% I5 @3 ]   # U) Z+ v, r( U9 P& ^
   Set arcObj = blockObj.AddArc(insPnt, Ra, sAng, eAng)
4 r" _' @* k  }( N, u  S   % x+ v) o, C$ `- k) ], o
   , U9 u* L$ M. x: b5 [5 l9 H1 ^
   Dim zAngle As Double2 g7 o, t5 e7 C" L& y0 j
   Dim aveAng As Double
+ I9 e+ V$ t) D  s7 Z   Dim Rf As Double2 E5 Q' N8 l8 ~) x& p' a2 ?
   Dim gd_X1 As Double, gd_Y1 As Double
$ x1 ^3 W& d8 T6 A- E   Dim poly_arc As AcadLWPolyline
' ]6 C9 A: l8 S/ e% r* W   Dim points(0 To 3) As Double) r5 Y2 a6 V' M( D& ~
   
* a& \$ ^8 {% y3 N' }7 b# t5 I   
# Y) Q9 }9 U6 {   , r( i: g$ e5 O
   zAngle = (360 / zNumber / 2) * (3.1415926 / 180)# @% y2 J: o! i: l! N1 f
   
+ i& Z' e. s& N* K   aveAng = (bbAngle + zAngle) / 2
# R0 X+ w9 c" \5 ^- O/ H   
1 O$ m: [: T% H& P: E2 F7 O5 m   Rf = (zNumber - 2 * ha - 2 * c) * mNumber / 2' S1 H. Z! u' ^
   
8 D4 g* j$ P' N: P3 z) S& b+ B   
5 S$ Z0 _  t! @; d3 Z   gd_X1 = Rf * Sin(aveAng)4 y( b1 R: A# o
   gd_Y1 = Rf * Cos(aveAng)
4 |# U5 V- Z% R/ D6 ^$ \   
  g& p+ F$ Z$ g" {. D   
2 M( ?* O" t# l, c" D- e- g/ h2 x+ z   points(0) = Xb2: points(1) = Yb2
7 J  o9 t9 a% ~- {6 d- N   points(2) = gd_X1: points(3) = gd_Y16 z4 _& ~4 e, k7 q, C
   * b: l6 `$ l! ]/ O
   
5 n, @* n# U5 r3 J- \  x% F$ `   Set poly_arc = blockObj.AddLightWeightPolyline(points)
0 T4 p6 \4 y/ a# F2 J   $ L8 f2 k+ Y/ ~" b9 I7 X% R) g
   
- T+ b; \, |7 ]* i9 o. i+ {   poly_arc.SetBulge 0, 0.2
. ^* h& d0 v. u/ X( Z   poly_arc.Update  P8 X+ N# s) f
   7 g- d; _: ?; h5 p/ f
   / b: S1 Z: i5 W! R) {9 W
   
" S( I8 d8 |: K% ]) A! I$ M! K* |   
' q, \" n" F$ p% j. d' d! v   Dim arcfObj As AcadArc
+ f% x' ^9 P8 }   
" r# P# d8 S+ c' @7 R   
0 X2 H& U! R4 o( l   
" e4 b5 x) d) l( \   sAng = 3.1415926 / 2 - zAngle7 m$ S( _/ k8 j
   eAng = 3.1415926 / 2 - aveAng$ m, U$ D! O, ~4 W' K, V
   
# F3 P1 g: E; G   5 u+ N5 p& m  |. T0 j2 [7 a
   Set arcfObj = blockObj.AddArc(insPnt, Rf, sAng, eAng)
% Z, w2 q" v# k! x, s: R+ w/ V   " @  H6 v0 h& T
   
) |) M/ S+ Z# K! g; `   , F1 K/ |1 K& o3 l# k3 o
   Dim mirPnt1(0 To 2) As Double+ ^8 H1 D# n) U0 ]: |: D5 g9 B5 M
   Dim mirPnt2(0 To 2) As Double1 j3 F% k" _; {$ b. }5 i
   Dim poly_arc1 As AcadLWPolyline* z& ?& H+ l% J8 e* K5 r
   Dim arcfObj1 As AcadArc
* N. t# R' @, Q. Q/ o: ^   
; f  I) H9 q+ L# T0 n' y) O% O   / l5 U+ ~0 y+ R& ?
   ; Z6 ]: \  {5 Z4 l+ y' G: e. \
   mirPnt1(0) = Xaz: mirPnt1(1) = Yaz: mirPnt1(2) = 0
4 c  |  S' R. m9 \8 Q7 C6 \   mirPnt2(0) = 0: mirPnt2(1) = 0: mirPnt2(2) = 0
. n6 K: W- `/ ~# z* P# A6 Q4 P   
0 z4 {* o) g% h( g: p. i/ q9 R   ) p; V. m3 `$ M* h* B
   
4 z2 o& N' X( t   Set poly_arc1 = poly_arc.Mirror(mirPnt1, mirPnt2)0 `  P0 g, ]/ H1 d) C1 V
   
# N4 ~- V; C8 [/ |2 g   0 Y1 a" J/ U6 L
   Set arcfObj1 = arcfObj.Mirror(mirPnt1, mirPnt2)
1 }9 ]5 C0 O# L2 Z4 B# h   ! e8 y) x4 J- d8 p# d# ~$ K
   * J+ A& `$ d7 u, B4 v, L* L
   
# N. ~6 s+ ^/ r  Z- v/ W   
, l% z) L" ?6 \   Dim blkRefObj As AcadBlockReference
' E3 m7 {# G5 z9 x   Dim insertPnt As Variant
5 Z" [  {9 B7 g- E   Dim rotangle As Double
2 Q6 ~5 X3 _; w, ~" {   Dim I As Integer
8 A/ O' V4 w# _4 ?2 y$ b+ F, D9 Q   8 w; \( h& f" g6 x4 n
   ! J' y2 m, x, P
   
+ c4 u: l9 \- ]# _   insertPnt = ThisDrawing.Utility.GetPoint(, "选择插入点:"): z4 m7 X# G  k. u/ H
   
" ^; k+ p6 Z( y( G! E' a8 K   
: C- @/ C/ t, ]9 ^! _2 q   4 n$ v! O$ m: r9 v% `
   xscale = 1: yscale = 1
! f! R# X6 V2 F3 V: m  T   3 B$ k9 e5 n6 y9 r5 h) r% a# W
   & E% [( {4 u/ k1 `, R
   On Error Resume Next' m% C, y6 I1 I- V; s5 T
   9 K  C: @# k; _9 U& D
   . b5 b; I4 d3 H) W. [: a
   xscale = ThisDrawing.Utility.GetReal("选择X轴比例因子(默认为1):")4 ^8 G& X4 s4 J1 M4 q
   ' f% s6 i- b, N4 K% H+ U
   yscale = ThisDrawing.Utility.GetReal("选择Y轴比例因子(默认为1):")/ l0 O; `, n: {. L7 t7 B; ?
   
8 D+ [/ M( l2 ?# k7 W; e6 O3 c   
( _' O6 I9 D' V7 Q6 c2 U   
+ O' S$ _& k  l  R; f7 b. K   For I = 0 To zNumber - 1% }4 p  v% A' r; S+ s7 X3 Z
   & R0 d1 t5 }% [6 u8 G/ w; }
         rotangle = I * (360 / zNumber) * 3.1415926 / 1804 S/ X: [7 S* {* _) v% u
         Set blockRefObj = ThisDrawing.ModelSpace.InsertBlock(insertPnt, blkName, xscale, yscale, 1#, rotangle)
+ |) x% U% ]3 F" \+ Z         & @" u* _5 N- R* z7 S
         
: K1 Q0 [0 L* `3 _- t& G/ _9 l& ~2 O    Next, |7 M# `# D; Q) b
    . n3 w5 R3 L# _# Y8 b
   
3 l7 X& A" m- o# q  f0 r    9 S8 k: x4 p% e7 |; Y+ D
    ThisDrawing.Regen acActiveViewport
# x5 J$ J7 H5 }   
+ i% K7 p- M( w* r    ( g3 b; Y; m# V: n% V
    & b# \% T, r3 H/ y  _: l
   End Sub
# a5 {9 A4 V, [
4 ~" z! G: t3 L0 U
/ Y- ~1 q  g! v+ ZPrivate Sub CommandButton2_Click()8 j# s& V2 K+ s# `6 f

3 c+ B8 |7 ]0 ^5 }9 P  ]" G       Unload Me
# i# M0 y! w- f# hEnd Sub& H$ f6 y7 `0 J1 g
1 A$ n* R8 d0 x1 u) E; `7 g# O
Private Sub UserForm_Initialize()
8 \9 g% ^  @$ ]) S! z: g  `# z    '默认时的参数值! E' b' A( k1 d" }# H& a% R
       mNumber = 0" g- t% M1 S' Q: r7 k9 |6 |
       zNumber = 0
8 t; K) g5 N3 N4 h, M' C, a5 O       aAngle = 20# f5 @- V: E7 s/ {
       ha = 1
4 E% K- C9 E4 i0 R) Q       c = 0.25! I) P4 N' z# }! F0 @' ?
      
% c2 j! U; X7 Y3 Y9 a  q* Z       & a4 |5 H* a4 p! a3 Z" U- v+ C" k# I
       '添加压力角组合框的值
% x+ I) `$ [9 J0 ]      
( h1 b) C6 C: r  I3 }    UserForm1.ComboBox1.AddItem "20"
3 m7 f; M! g! V8 T) H; a8 W, C    UserForm1.ComboBox1.AddItem "15"
8 C/ l9 C  v1 v8 e: X, q    / R6 r2 K+ C( L) Z5 j: V- x
    & |4 b2 C; q( N$ }' R3 l% R4 B$ ~% W
       '添加顶高系数组合框的值! K7 y1 Z7 j7 W9 l+ e' e' E; Q
      r& V0 L( R% _& j! J
    UserForm1.ComboBox2.AddItem "1.0"; W! z# }' t" n; M
    UserForm1.ComboBox2.AddItem "0.8"6 y- i+ G8 f$ ~8 T
   
4 Q4 b' l4 E, h   
* T. d7 z) c9 u% I. y6 c7 r0 O  `       '添加顶隙系数组合框的值
6 U& i9 A( G4 L0 _    4 T; ?; m1 o/ r: X$ w: U$ \2 s! ^
    UserForm1.ComboBox3.AddItem "0.25"
+ \% |0 P+ Q" I  T4 m    UserForm1.ComboBox3.AddItem "0.3"3 X  x5 ]& Y! e3 }# p
   
/ _  o0 O* \& T1 e$ n. t        '设定组合框初始状态显示的值
. O* J0 _) J% Z' Q- `  k: e    UserForm1.ComboBox1.Text = "20"
1 K% h4 \* |7 g& H6 k    UserForm1.ComboBox2.Text = "1.0"
8 ~% P- ]: X4 L4 m) Z) C) U# J    UserForm1.ComboBox3.Text = "0.25"
5 u* m) U0 r6 M: S8 p5 @& R+ ]   
! j; w0 i* k0 ?* D6 z: s    3 j* T8 M1 w4 t0 T! U, A( h0 [& T
    UserForm1.TextBox1.SetFocus2 U7 ~, O& l+ T( d' n$ C
    $ m+ V0 R" I( t; S6 R8 z# f
   
6 K; G2 _) g( c3 G/ B/ E6 f3 n    End Sub
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