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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(), R0 g; p3 [% B2 N* G
       mNumber = Val(UserForm1.TextBox1.Text)
1 ?, M0 m. x& Q. ~2 P6 }       zNumber = Val(UserForm1.TextBox2.Text)9 T! E7 p, M( q+ {
       aAngle = Val(UserForm1.ComboBox1.Text)
( R5 X- s+ \" Q! I5 b; N9 `       ha = Val(UserForm1.ComboBox2.Text)
) n: u% g: b, V3 `, J/ P       c = Val(UserForm1.ComboBox3.Text), @! k& j0 w) p0 G" \( W
      Unload Me
5 R5 P& [, S0 b8 I9 [2 n       2 u- p6 Z: C* T0 j* N0 i, e
      If mNumber = 0 Or zNumber = 0 Then) ]# M  k7 g8 J4 I
        Exit Sub/ L3 O; d- q+ \6 Z7 |
        
! F4 L& K- I/ U( `  W' }End If
; M! [) l* y( n9 Y* H0 G- b- `3 H; o     aAngle = aAngle * 3.1415926 / 180
6 e) M8 D! [% {6 z7 v7 e5 o     
3 e# M6 I7 d, R) R! P9 `% V     
4 M" ^1 ~/ c! b6 n: h     3 U! J. d3 n) A8 u# U9 R
     
) {% ^$ O( v3 V% h# l6 m     5 P/ R. w8 ]9 m) J
   Dim bAngle As Double6 z, ?* p8 _' h. n5 ?6 p  E- ]0 G
   Dim X1 As Variant, X2 As Variant8 S6 Z) `  }, S8 P$ B, V5 g
   Dim Y1 As Variant, Y2 As Variant) ~" o8 I- B7 G7 P
   ' y) i0 D0 H- Q' g+ p4 [
   2 D" W+ ?, h" D/ a$ P6 }
   bAngle = 3.1415926 / (2 * zNumber)  Y3 N8 S5 @. d# l  Y3 q
   / B6 ~& }' ]. A7 G7 h' O
   X1 = -(mNumber * zNumber * Sin(bAngle)) / 23 ~: `7 Y! \7 G4 j. `
   Y1 = (mNumber * zNumber * Cos(bAngle)) / 2
9 K" |7 E# P: j; o7 I2 }% v   
) n; K0 F# r" |- k  {' N   X2 = (mNumber * zNumber * Sin(bAngle)) / 2
3 ~; S2 ^( G" H9 g& J" G   Y2 = Y1/ _, ]9 K% u" @7 C4 H5 h* U
   
; _& u, f( c9 ?/ _   8 P1 p) G& y$ I% q& V3 `( z
   
: [$ [! f! _' B$ x" p   Dim bbAngle As Double
% P& r% j* n$ q   Dim inv_a As Double: S1 s9 ~' n9 @1 D, Z+ G7 w4 i+ J
   
. z- O0 Z9 y+ \$ P   Dim Xb1 As Variant, Yb1 As Variant& k, a% y" t! U) P' B
   Dim Xb2 As Variant, Yb2 As Variant" b, H4 k& }" n$ h
   
$ E- |3 M2 w' |$ W/ c' V     s7 p9 z9 o& _( x% l- R
   inv_a = Tan(aAngle) - aAngle
) u/ I/ `5 }  R0 F5 [# b+ G   bbAngle = 3.1415926 / (2 * zNumber) + inv_a6 Y) B6 g2 B& i8 ]( X
   
! z: E) e* e- ^8 i7 A/ S/ y, p   / t4 z* p4 N4 M+ S6 n% `4 S; U2 f# J
   Xb1 = -((mNumber * zNumber * Cos(aAngle) * Sin(bbAngle)) / 2)
4 z1 @4 g, X3 ~) R- r! n) w9 b   Yb1 = (mNumber * zNumber * Cos(aAngle) * Cos(bbAngle)) / 2
* g$ Q, G/ b* Y: w6 I7 L! m; g3 L# C   
6 t+ f( E8 m9 j9 D8 Y   Xb2 = (mNumber * zNumber * Cos(aAngle) * Sin(bbAngle)) / 2
1 f. @7 K4 e* e3 I( ]/ s   Yb2 = Yb1
; Z% a+ U* [0 [' ~6 Q2 b* [2 u   ! j1 ~; V- X; Y9 m8 Q
   & _: m% a& u/ E% d5 w% H# \$ Q
   Dim aaAngle As Double9 u  f" c) `# O5 e0 `0 A
   Dim baAngle As Double
( K3 }0 k. y; V6 T6 Y9 d7 B   Dim inv_aa As Double, X& q  m; t1 {' S7 E6 t. z
   - @& d9 [( y6 b# I: h2 Q: t8 P
   Dim Xa1 As Variant, Ya1 As Variant! X/ M( J- q8 N: }( @: Y* a
   Dim Xa2 As Variant, Ya2 As Variant
2 c3 F% I- J& t' e+ m0 T" B   Dim a1 As Double1 t" Y& g: W& i
   ' _/ M. S" X3 C2 ]' c% N1 T5 O
   a1 = (((zNumber + 2 * ha) ^ 2) / (zNumber * Cos(aAngle)) ^ 2) - 17 z8 i, A8 e) P# Q
   inv_aa = Sqr(a1)2 W6 m$ s3 b- T5 p9 D( ]
   aaAngle = Atn(Sqr(a1))! T$ E( R. t0 o8 _( c" G  P: h
   inv_aa = inv_aa - aaAngle
1 j! I/ n9 m; u, H   baAngle = 3.1415926 / (2 * zNumber) - (inv_aa - inv_a)
  O! u6 s7 k" ~! e; h! R( E& @   * [" I1 [+ C) J- Z3 h: H& @4 \7 N
   
. x7 R" r( Y) a6 H- j   Xa1 = -(zNumber + 2 * ha) * mNumber * Sin(baAngle) / 2
1 T8 n- L& v$ G# A/ g4 M  e   Ya1 = (zNumber + 2 * ha) * mNumber * Cos(baAngle) / 2
2 E/ R4 w7 O5 y6 Z' G, l# d   : y0 T9 t' }: _5 e7 e' e
   Xa2 = (zNumber + 2 * ha) * mNumber * Sin(baAngle) / 27 t* O6 }, ]& c2 w+ S7 y
   Ya2 = Ya1. e; R4 Y2 D7 s1 ~8 S
   9 N& ~, [$ A# t; Y. R
   8 P! c+ z- I% Z' p: ?7 L; X
   Dim Xaz As Variant, Yaz As Variant
' ?" h  ?% P( ^/ F7 C9 u% T   3 N, _/ f$ k% m% P/ M
   
7 M, L9 _/ }( k) m   Xaz = 0: Yaz = (zNumber + 2 * ha) * mNumber / 2& a+ E5 w) \1 E, h
   / |8 g. W9 M: Y4 b$ M- z
   % s6 U! S6 s5 U6 }$ v4 O' g2 E
   " y2 Z: X2 e+ a2 d: [9 q. S
   Dim blockObj As AcadBlock
6 e# t7 e  o; m  R5 i" {   Dim insPnt(0 To 2) As Double
$ A' F1 K2 `4 L' \, d   Dim allEnt As AcadEntity
/ }* c. s9 J% s% }0 Q! N   Dim blkRef As AcadBlockReference6 t  S% D, A4 V& G
   Dim blkCount As Integer
4 o7 a& I% C. Z+ o; Q5 h- F# h" z2 y   Dim blkName As String
' X7 R, O6 u3 ~  z3 v, {   4 x0 B, |* E4 L% ^: z4 T
   
$ I) M; g+ B, k0 J* B   For Each allEnt In ThisDrawing.ModelSpace4 w* f& A( S; b7 \# t3 s( w
       If StrComp(allEnt.EntityName, "AcDbBlockReference", 1) = 0 Then
+ H3 ?' `' Q/ _. \            Set blkRef = allEnt
1 T% o( H, t9 v  [1 C            If StrComp(Left(blkRef.Name, 7), "blkGEAR", 1) = 0 Then  t: r6 M. f. y8 o/ S
               blkCount = blkCount + 1
- r. P( ?* |' O7 F; F1 [4 G) _        End If% n: ?, N& o$ r' x+ J
     End If
' u7 Y/ |9 q0 H- R' X5 u6 a( q& N   Next$ b& ~8 M$ W  h/ M' I1 P( r7 Z
   blkCount = blkCount + 1
' N- F! A! L. R  r/ b  m7 Q: d7 u   ( `2 o* u) k* [' m; v2 q" M9 [
   
: d0 j7 \% \3 C2 A; ^0 W( k* m" h   9 }# m& s/ r0 w& g- h( J
   insPnt(0) = 0: insPnt(1) = 0: insPnt(2) = 0/ L, Q$ N1 G, z0 C# o8 g& n6 {+ P
   blkName = "blkGEAR" & blkCount$ G- k) Q  C& ^  y, _4 ?( o* o
   Set blockObj = ThisDrawing.Blocks.Add(insPnt, blkName)
9 O: m1 y+ M& b$ g$ t: h5 _   
, T# |4 Y7 R/ C* o2 k   9 B  A  o% B- j; P
   ) W2 q8 ^2 E6 E1 o; P0 {
   
2 q+ ^0 v$ k1 _( g7 \- {0 \1 n   Dim sTan(0 To 2) As Double1 Z! \  H' I+ H  e$ m6 P
   Dim eTan(0 To 2) As Double) s5 ^5 M$ @9 }. O. N& C
   Dim fitPnts(0 To 8) As Double
) N- u( h% [% v4 L& V" L   Dim splineL As AcadSpline5 _- \  G/ e% q+ [' Q- {5 S
   Dim splineR As AcadSpline
' o$ H3 M; K# w2 r( E& q' Y   $ V9 w8 H. C$ S7 U, A/ y" J5 I; u
   
. U1 Y4 A3 D: W, y+ y   % ~! Q* A3 ^* h8 S% m+ j
   sTan(0) = 0: sTan(1) = 0: sTan(2) = 0
8 }7 ~- ^3 X; P, k2 [& K5 H/ Y1 u   eTan(0) = 0: eTan(1) = 0: eTan(2) = 0( R  W* n, S* G, s# ?- S9 O
   fitPnts(0) = Xb1: fitPnts(1) = Yb1: fitPnts(2) = 02 f: q. B& h& t% M- g
   fitPnts(3) = X1: fitPnts(4) = Y1: fitPnts(5) = 0$ V3 w9 L. r# _6 F! k
   fitPnts(6) = Xa1: fitPnts(7) = Ya1: fitPnts(8) = 0
+ K, P+ B8 Z. |) ]8 g7 V# W9 ]   ! }* n! L2 S% i+ w5 l5 u0 F
   
" v4 {) ^- [4 |( y( p   ( I) A: f% M4 M! h; I) H
   Set splineL = blockObj.AddSpline(fitPnts, sTan, eTan)4 g" x& I2 Y. R6 a
   
: I) D( D  Z) m$ C' V' N" v1 l" W   
$ A( Q, K+ S/ s1 h5 R* [   fitPnts(0) = Xb2: fitPnts(1) = Yb2: fitPnts(2) = 0
# V: m) O, P/ y2 s# z( ~   fitPnts(3) = X2: fitPnts(4) = Y2: fitPnts(5) = 0
7 ?$ c- ^* x4 e. h5 `   fitPnts(6) = Xa2: fitPnts(7) = Ya2: fitPnts(8) = 0, L$ M! O3 @1 J: W: k  T! Q+ m
   ; ?6 e" a/ v  o  N0 p% R3 l
   Set splineR = blockObj.AddSpline(fitPnts, sTan, eTan)
. I) p! u+ _, ~) y; `' _9 w. Q   
' ?- [4 g7 s2 Y. u! h* \- |- W   
+ f6 X0 c0 G  M+ V9 @; x( _   ( ?% y+ t" G& A6 }# _- N4 y/ w
   Dim Ra As Double
% `- ]: u6 A! K& g  E( Y9 u, ]0 j   Dim sAng As Double, eAng As Double
& C6 _2 I' y* F0 D; a- T   Dim arcObj As AcadArc; M3 }9 @& y1 J/ F
   9 p1 ^  f% f. ^& z: ^
   
1 y. Z* K0 E6 [1 k. D   Ra = (zNumber + 2 * ha) * mNumber / 2
8 S2 u3 O# ?8 T& y' x+ Q) ^* C- h   sAng = 3.1415926 / 2 - baAngle+ \' b" \# d+ `
   eAng = 3.1415926 / 2 + baAngle& k. ~" ^: r2 [
   
& N* j/ r2 S0 f: V   5 X9 g+ l5 L7 {( ^
   Set arcObj = blockObj.AddArc(insPnt, Ra, sAng, eAng)
5 H% s/ l/ U2 x1 ?   
1 z6 V+ ~3 z$ M4 w1 X6 _+ D   
5 ^. K, x3 G2 E) \+ i   Dim zAngle As Double
  G, Y# r( r" E7 e   Dim aveAng As Double( F" l6 @: r1 `# h! S
   Dim Rf As Double* s9 G0 y8 N! q* A4 L9 @+ _& |
   Dim gd_X1 As Double, gd_Y1 As Double+ O/ X  n2 I0 {6 i9 o+ \" k
   Dim poly_arc As AcadLWPolyline
$ n# ]4 L' D1 N# g! f. O   Dim points(0 To 3) As Double
( M$ C( b9 @4 |( O   
& e) m8 B. D0 {) @3 ?! g   
$ Z6 k0 o5 b: y   
9 |* B$ V: V, ^8 d) k. d% o   zAngle = (360 / zNumber / 2) * (3.1415926 / 180)8 v, P& A, M$ [- m0 G
   / f* P, I5 k5 u6 U9 Q
   aveAng = (bbAngle + zAngle) / 2! r4 G; }) F2 G6 S$ G  v
   + T8 F. U7 ^: b+ f$ Q, D
   Rf = (zNumber - 2 * ha - 2 * c) * mNumber / 22 m, k) }) x( P0 {  {& s
   
# t' v$ i- U  T$ `   6 |( E. j9 r# W9 B6 Z  f
   gd_X1 = Rf * Sin(aveAng)
+ V. D- R" F7 M1 g; W   gd_Y1 = Rf * Cos(aveAng)$ t& K& B6 D! c* j$ u3 C" B
   
3 I& Q! G7 b+ T# K! x   - ?* U, E1 Y/ n7 X1 J0 G
   points(0) = Xb2: points(1) = Yb25 `8 {, n2 f5 W& \& Y& |
   points(2) = gd_X1: points(3) = gd_Y18 a5 B" J' E+ A8 F. @" j3 A
   
7 ?% Q' g' ]+ y   & F- s# ?5 m6 V) W9 W7 J- m5 v# P
   Set poly_arc = blockObj.AddLightWeightPolyline(points)
+ T5 D$ U3 |. v6 `   
* [: O9 u% B0 k" j3 c, e   
1 p, g; c4 e  O% ^3 A# P+ s" T   poly_arc.SetBulge 0, 0.2, U& e7 {  y+ ^2 z: \
   poly_arc.Update# V, u9 D  z$ ]+ C" A7 `
   * f. N3 ]/ H0 E- c
   & n* V+ M6 `% T. g
   
$ C7 h8 S" p) P. r   
7 m7 e5 N' J% m  S   Dim arcfObj As AcadArc
& l7 ], ~- F$ {! l/ i( {! E   
7 e) I1 t, B4 }) I1 P   
8 T( f# B7 D. `$ G8 h   2 p- c; I$ ]0 j$ C+ `
   sAng = 3.1415926 / 2 - zAngle
4 W4 D  z5 J+ w; x# T   eAng = 3.1415926 / 2 - aveAng
5 U% E1 ?) r- H1 I   
8 u. w) C  {* T! ^, Q   
6 {9 u! T% S: J   Set arcfObj = blockObj.AddArc(insPnt, Rf, sAng, eAng)8 a: K7 j: w8 C# I2 N; F% \' @
   
( J$ u5 `5 V7 ]5 f+ o2 ~! ^   # \, @0 {% d' ]. @. Y
   
0 Y+ V6 }; I& J- t2 n   Dim mirPnt1(0 To 2) As Double1 A! ?) \# u* u! a4 q. V
   Dim mirPnt2(0 To 2) As Double( M& u+ O& `2 e; \# a
   Dim poly_arc1 As AcadLWPolyline
$ M& ?/ H  R' [3 W% `   Dim arcfObj1 As AcadArc6 N# p, R) u+ s0 _
   
9 [, [# E3 C2 {3 ]! m; l   " x( e9 s, O$ K; c0 ~1 \6 A
   
" N$ l0 S5 }, Y& x5 w/ Z+ D6 X   mirPnt1(0) = Xaz: mirPnt1(1) = Yaz: mirPnt1(2) = 0) I6 b! q1 N! j. w8 h
   mirPnt2(0) = 0: mirPnt2(1) = 0: mirPnt2(2) = 0+ G+ ^0 i7 b, J; C4 t
   
& `1 B# J0 t6 t. D   ; ~; ]; m2 U. [8 e4 ?; y
   
( k$ s6 `9 R1 M; C. E3 A8 q   Set poly_arc1 = poly_arc.Mirror(mirPnt1, mirPnt2)
. h9 C& m# `: I) r# G; s   
4 l' b/ G/ E4 C5 g   
" z$ @: ]; u  H! b   Set arcfObj1 = arcfObj.Mirror(mirPnt1, mirPnt2)6 B' ]4 J% p& J1 K3 ?
   
, C( H* J" ]+ k0 N9 @   & h% q. i  p5 `+ J  l
   2 ~- C% a/ }6 }0 |; x8 v4 n1 U
   
9 S/ Y: U, S; i) s  y4 Q   Dim blkRefObj As AcadBlockReference
- K0 I2 j% c. Z   Dim insertPnt As Variant
1 _" b  i- C* T+ I$ I   Dim rotangle As Double9 V8 Y$ t1 ~! s# X
   Dim I As Integer
4 r) c$ a, O, O9 z! a   
7 G6 M3 y9 {5 l) |+ M5 {- _   
: e. H3 F" F, j7 A, o. d% J7 x   
+ x& F4 a$ w) }  y3 h8 k   insertPnt = ThisDrawing.Utility.GetPoint(, "选择插入点:")
  \" W0 L% V5 j' D. q: C   " `9 t% x2 l/ `! F
   
5 [; l  d9 H9 |   
4 n9 O- y# @; G: r: ^   xscale = 1: yscale = 1
4 b# t- e6 R% b! o2 S+ c* N" d   7 t+ @9 U  v( v9 l, f* D. `
   0 S5 i5 i; y( k$ h2 x& R+ I$ T
   On Error Resume Next/ R0 I3 R, x. G5 h+ V0 U) p. e
   
+ o7 N. z. U( L6 ^6 I2 [. M   1 r% w, @" R& t* H( C
   xscale = ThisDrawing.Utility.GetReal("选择X轴比例因子(默认为1):")8 ~9 s+ d/ T6 W+ F9 n$ ^( A
   * g2 e0 M) s4 P- G- ?* i
   yscale = ThisDrawing.Utility.GetReal("选择Y轴比例因子(默认为1):")& ?9 c$ j, @, z
   
1 ^+ |: Q) F! n2 L  a   4 q$ H/ M+ w/ g: d. K' N- e
   
4 g5 f6 F( z* W$ s7 \8 y  y   For I = 0 To zNumber - 1
& v; I3 M/ W* w2 Q! h9 D( D   
. F' i  R3 V1 U+ k8 K( ?* X         rotangle = I * (360 / zNumber) * 3.1415926 / 180+ X6 M) g7 `* L  x4 G" V* _
         Set blockRefObj = ThisDrawing.ModelSpace.InsertBlock(insertPnt, blkName, xscale, yscale, 1#, rotangle)) r3 h8 y8 \7 C3 j( j9 g$ i
         7 A" X# Q3 }9 k
         5 [6 c* F+ P; w2 \3 e
    Next
0 D% p, Q8 R, [) N0 s9 d    ( s: [" I5 `) w  w0 N
    4 f* V+ j, a( i1 A( D- \
    : ^- T% V$ f) U" f
    ThisDrawing.Regen acActiveViewport; x2 Z' f, I$ b4 U7 Z
   
, K* a0 ]  B& K9 s% ~    0 g, k0 R" w( {4 I) G
    ( j7 _8 w" U" }4 F6 i5 Q
   End Sub1 Z8 n0 E$ e: Z, [

8 T$ v; r" P. y1 S
8 T. d3 M, v7 o# e' {  V* WPrivate Sub CommandButton2_Click()
, N; s; Z6 V' _! z4 U' u. s, B# A0 P! L' e1 N
       Unload Me: m7 B$ b) m8 h0 G" M
End Sub
4 S7 m" X& \$ c! Q* Q( d. W: b3 z4 K$ O9 t0 }2 ?3 Y
Private Sub UserForm_Initialize()% `: _" j& D; l1 P# I7 v3 c* e# k
    '默认时的参数值
* v& P( Y6 v2 c) Q9 q/ ?5 V       mNumber = 0
9 X( l4 ^" V  Z+ |       zNumber = 06 J2 l$ j' }9 J+ \$ ~) s
       aAngle = 209 t" ^+ a5 z9 ?
       ha = 19 N: X: b& b- E4 G! G- l: _
       c = 0.250 t2 ]  K7 @, N* s
       0 b! `9 S( n' {. g: p
       : [6 i: ?: V/ I8 Z. U8 t
       '添加压力角组合框的值
# C/ `: P" D, r1 K* s5 r      
- k4 p$ ]6 K, \' M  x    UserForm1.ComboBox1.AddItem "20"" \3 A, n3 J+ h: V
    UserForm1.ComboBox1.AddItem "15"
! Y; [/ s0 `, v$ E0 m  R    ! R1 y# p  q' n+ \0 M" R0 n
   
) b% t, C2 ]; ]# J# h" r; }       '添加顶高系数组合框的值; _. P3 A3 j2 u4 J- J% F/ z. C
   
, `( R+ W# S# N8 d3 k    UserForm1.ComboBox2.AddItem "1.0"2 i1 V# A$ l8 o5 ^
    UserForm1.ComboBox2.AddItem "0.8"
/ j' E# J' c. A7 l    / o4 J; X- a8 F% @9 Q1 I
   
4 J6 u; o. |$ b       '添加顶隙系数组合框的值
( K- d  d1 S  \. F" C   
4 ]0 R5 O5 V0 F% g$ i( {    UserForm1.ComboBox3.AddItem "0.25"6 e+ K! _2 Q( J& L0 x6 V: c% _
    UserForm1.ComboBox3.AddItem "0.3"
, l0 K  f: Q6 B: q    % q' W4 K4 M8 e
        '设定组合框初始状态显示的值. t& i8 N+ y2 N; n
    UserForm1.ComboBox1.Text = "20"
( E1 v3 j; C- f! j  W    UserForm1.ComboBox2.Text = "1.0"& F& R. V* R! A7 E: Q
    UserForm1.ComboBox3.Text = "0.25"
9 t8 E& x5 n) \    ( n7 [3 I& H. l3 L; ~6 {/ B1 ]
    # z! \& q- E5 v( q2 C1 `
    UserForm1.TextBox1.SetFocus
: M1 M& v' |" n( J% K    * a" c1 D- y, d# {& }7 z
    + r: k% _) l* T& ~% z# {
    End Sub
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