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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()6 {) K" v0 `! \% l$ }
       mNumber = Val(UserForm1.TextBox1.Text)
& g, ?$ r( S6 s" i       zNumber = Val(UserForm1.TextBox2.Text)
) V0 m6 h9 Y8 Z$ c" d4 I  m  {! {       aAngle = Val(UserForm1.ComboBox1.Text)% p/ S6 k4 Q0 j% d& H: M: @+ e. ]
       ha = Val(UserForm1.ComboBox2.Text)3 T: L4 k2 |" I- Q
       c = Val(UserForm1.ComboBox3.Text)
$ ?2 o! c. I. x3 O4 Y: c% C! d# s      Unload Me9 V1 P% L: l0 h
      
  {8 g0 J! T/ {5 W: p- {      If mNumber = 0 Or zNumber = 0 Then3 L1 G, I$ u9 r" @5 m; T3 v8 B$ n
        Exit Sub
  f" e3 |: |! Y+ E5 h        
9 _5 W8 R2 J- |3 l( A+ p0 gEnd If9 h% `8 V, p# R1 t2 g% S
     aAngle = aAngle * 3.1415926 / 180
- O7 M% r: x# t9 w     
$ L* S; |7 D/ L7 J     
& @! T, V) q6 R4 z     3 Y+ S5 z$ @0 I; d& Z
     
- ]( f. H+ a, t6 V& q     5 `5 e+ }; G3 D1 q! p  n) `
   Dim bAngle As Double
0 u" P+ ~0 T- E" p  l" J. M9 Y& F   Dim X1 As Variant, X2 As Variant& Y6 F3 s. Y" s' j/ r4 Q  _$ d9 Q
   Dim Y1 As Variant, Y2 As Variant8 ]' W9 [- s, e6 _' H7 @8 Z5 T
   
7 z% E: _- D; L. p/ R1 o6 j   
: Y' v' a  _* O# ?4 b# g. A/ J. O   bAngle = 3.1415926 / (2 * zNumber)* y- P4 `# h, e( P& }$ {
   9 p+ W: V0 k& b' {# Y
   X1 = -(mNumber * zNumber * Sin(bAngle)) / 2
2 ~1 D# c) @" E" O   Y1 = (mNumber * zNumber * Cos(bAngle)) / 2' n" I3 m5 C* H0 y
   3 u8 i* ]# h9 X! n
   X2 = (mNumber * zNumber * Sin(bAngle)) / 2
$ s8 N. x8 U2 _1 N/ g   Y2 = Y11 \, b0 {& B2 @' D+ l& [
   & E: K+ x' o( Q3 P# [( j
   
# ]) O% E. D9 b  o6 {1 m6 u) }   # C) Z: t3 U, h* k7 m& L
   Dim bbAngle As Double1 n8 Y  g( B$ h3 J; k4 R* L- ]
   Dim inv_a As Double( u  J7 L0 }1 r$ Q
   ( _8 I; S4 E, U1 W  a6 u7 B# |
   Dim Xb1 As Variant, Yb1 As Variant
' ~3 Z4 s! D' y; A6 q   Dim Xb2 As Variant, Yb2 As Variant' h* |" `' g( R. a+ S
   2 D# T8 N; {# z/ Y9 N
   # c  n3 [& B& X( }2 u2 n
   inv_a = Tan(aAngle) - aAngle, @& `, m, m- J3 O+ `* v* q
   bbAngle = 3.1415926 / (2 * zNumber) + inv_a
, g; v3 K. V, r, m3 ]   
+ W% |& T% _! [* k6 P   % u( T, o7 ]% t8 _9 u' O2 u
   Xb1 = -((mNumber * zNumber * Cos(aAngle) * Sin(bbAngle)) / 2)" p9 g- a! ^/ P5 T! D+ d6 z
   Yb1 = (mNumber * zNumber * Cos(aAngle) * Cos(bbAngle)) / 2/ T5 ^  x5 f" x3 p- v1 W* \& \! G1 `- _, M
   0 p: T7 f, ^4 C" P1 c2 C& B8 q2 X
   Xb2 = (mNumber * zNumber * Cos(aAngle) * Sin(bbAngle)) / 2
3 ^. z. n+ ~1 l4 z. M+ B   Yb2 = Yb1
9 n' O- o/ }) m% J+ i& [   
' q2 G3 s7 t+ g8 ^) F. t   3 q3 }# J+ ]( }! i3 W2 v8 j8 `# F
   Dim aaAngle As Double+ V5 b, o+ V6 [
   Dim baAngle As Double9 D2 X: D( W/ g' T8 V: x( ]% V# t  H
   Dim inv_aa As Double! a7 J' ^0 o1 V& C
   " j* n) E$ x9 H& b9 z7 Y
   Dim Xa1 As Variant, Ya1 As Variant
* w' |# ^! N% l8 |5 s1 D- [% N  C   Dim Xa2 As Variant, Ya2 As Variant
2 A$ w( P& D) U+ G0 `   Dim a1 As Double
* D8 ^6 l" H( X  x7 \   : `* `) o. H  v9 ]
   a1 = (((zNumber + 2 * ha) ^ 2) / (zNumber * Cos(aAngle)) ^ 2) - 1$ F6 a4 y2 U3 q
   inv_aa = Sqr(a1)
5 x) J1 q8 P9 y   aaAngle = Atn(Sqr(a1))7 p8 f4 |4 L! h2 s* J
   inv_aa = inv_aa - aaAngle
2 C1 d5 ^, l$ S& V  h; y   baAngle = 3.1415926 / (2 * zNumber) - (inv_aa - inv_a)1 W( C/ w8 `* {4 w9 e
   
' \1 }3 I" a; O5 `6 F, [  ~4 k! i/ k   
8 n# F. }* q) M  |   Xa1 = -(zNumber + 2 * ha) * mNumber * Sin(baAngle) / 2
2 n( ]2 [( u6 v% M6 {9 J% [. j   Ya1 = (zNumber + 2 * ha) * mNumber * Cos(baAngle) / 2* U1 d7 j- V' R9 d! q
   - U5 @; e, f( |4 ~& X
   Xa2 = (zNumber + 2 * ha) * mNumber * Sin(baAngle) / 2
* m3 p" F, |. l3 S* p8 r! _   Ya2 = Ya1
$ y% p8 P! l1 E6 S   
! [6 F4 ?2 o. F( z7 s% T# {  M   
* `* @9 j8 s  A8 a" z   Dim Xaz As Variant, Yaz As Variant
$ e1 |6 T& W6 x, O+ `2 F: C   
6 `" M9 P  J$ E  q& V- j   5 B/ V$ J) A' ^$ S
   Xaz = 0: Yaz = (zNumber + 2 * ha) * mNumber / 2
, `' N& h' C7 \2 g1 L   
5 N9 r# V+ k' ]3 |   & i" u% O. G& ]# \
   
+ m/ ^( E' \+ j+ V   Dim blockObj As AcadBlock  X  z3 ^' d/ n! g) Q+ \# c
   Dim insPnt(0 To 2) As Double3 B1 p& N" s0 a+ F; L6 }
   Dim allEnt As AcadEntity& Q) w% N; \3 |/ c( j" e
   Dim blkRef As AcadBlockReference  r% A) W7 k/ L* M9 T) [+ [
   Dim blkCount As Integer+ D) n! ^; N# k* Z* K
   Dim blkName As String3 s: r3 o" ^0 r, n7 g7 \& _
   3 q0 C4 c/ o2 e4 ~
     R$ g0 T" }( ?' G
   For Each allEnt In ThisDrawing.ModelSpace
/ a: K1 a7 u5 w3 I4 c( U       If StrComp(allEnt.EntityName, "AcDbBlockReference", 1) = 0 Then
% f' x) L2 k) D9 Q            Set blkRef = allEnt2 F9 p. R1 `* `5 M
            If StrComp(Left(blkRef.Name, 7), "blkGEAR", 1) = 0 Then) n! _  J) A% I9 E% n1 \1 h1 t4 X+ m
               blkCount = blkCount + 1
8 `: C$ K& v9 d% M        End If
, L4 z3 b1 ]% p. d- A. X     End If
) p2 q8 b8 H$ ~2 `: k   Next
8 m+ d2 L5 g6 O9 p; ?" Y/ N' {   blkCount = blkCount + 1
8 S" C" d& D5 O* _+ _# w. h4 t  U: X6 F   
4 }5 t8 ~. }8 U. a5 A. A8 s   1 V7 {+ n0 a. z
   
9 I5 U. V* m7 Q9 M1 ]   insPnt(0) = 0: insPnt(1) = 0: insPnt(2) = 0/ I% q; A2 H3 z8 U7 v$ _
   blkName = "blkGEAR" & blkCount
/ `) T2 o# V& v$ @; O- Q   Set blockObj = ThisDrawing.Blocks.Add(insPnt, blkName)1 I, F7 n, `2 n( g
   8 C- f% R) C7 o# q( Z
   , f7 M# V0 U# k5 C
   
$ i% Y0 `6 `/ B4 S   
5 g5 Q( N" a  w+ z   Dim sTan(0 To 2) As Double6 Y2 v2 p) G- o6 ?* ~: ~2 U
   Dim eTan(0 To 2) As Double
/ }5 A9 y7 C% ~. x  L   Dim fitPnts(0 To 8) As Double
" h6 E7 F& @! [" @3 H: F( k* r   Dim splineL As AcadSpline9 a# r; o0 C9 `1 L  N1 R6 {
   Dim splineR As AcadSpline
# K  V. S0 F3 @' k: s* I5 y   " f5 x- [- B2 F8 z
   3 X/ H9 i& {$ q( _/ y" }
   : a7 l4 M* f# g# d  ~
   sTan(0) = 0: sTan(1) = 0: sTan(2) = 0
- C7 G: }+ a. \+ X6 ]' T/ M   eTan(0) = 0: eTan(1) = 0: eTan(2) = 0
9 a: x& t- v2 f+ a/ x' j. A' |   fitPnts(0) = Xb1: fitPnts(1) = Yb1: fitPnts(2) = 08 t/ W# W: P+ {( I2 G% t) C  @
   fitPnts(3) = X1: fitPnts(4) = Y1: fitPnts(5) = 0$ p3 r" I- C+ g' N9 f
   fitPnts(6) = Xa1: fitPnts(7) = Ya1: fitPnts(8) = 0
" A$ d+ m$ s' ^& s   ( ~- r0 P5 Z% X2 I) x9 l5 \
   
9 r* U) A$ _% D   
4 z" D" F" |" O7 t- r   Set splineL = blockObj.AddSpline(fitPnts, sTan, eTan)
6 z9 M' ^. l- ^3 ?$ X& h   
" A; ]* u, z+ a2 ^* y   
; N8 U* m  P( t, A: [* t# U7 ~% U   fitPnts(0) = Xb2: fitPnts(1) = Yb2: fitPnts(2) = 0/ u: J/ }  e, D' O! Y
   fitPnts(3) = X2: fitPnts(4) = Y2: fitPnts(5) = 0
  f* @* ^0 U/ o   fitPnts(6) = Xa2: fitPnts(7) = Ya2: fitPnts(8) = 0# S" y$ s0 u$ `+ i) I! `' R5 b
   " K0 ]* P! i6 }# T
   Set splineR = blockObj.AddSpline(fitPnts, sTan, eTan)$ X4 ^! l2 y$ s$ E2 c; l
   
/ S3 C- H/ P* v1 w! c   
1 u# o# T& V) }* Z   
: K9 l# ]- C# D8 O   Dim Ra As Double
3 Q+ m. t! ]: n   Dim sAng As Double, eAng As Double7 M. l. [- X) i6 ~- L9 r
   Dim arcObj As AcadArc' L9 j! q! o  ^2 D
   6 z" u; S0 ^: @' h7 P
   
! s* R' R6 o  u8 X& }   Ra = (zNumber + 2 * ha) * mNumber / 2( J7 [1 W% j. L/ G7 a# `8 G) b
   sAng = 3.1415926 / 2 - baAngle
. j( J1 l# G9 x. |, \   eAng = 3.1415926 / 2 + baAngle7 C# D' B9 k+ B& X9 c# ^( T+ F/ ]: l
   . F: d6 o% j/ }' r8 x0 x  T% O
   4 n. i' r8 @7 f/ n3 d2 H- F/ ~
   Set arcObj = blockObj.AddArc(insPnt, Ra, sAng, eAng)& W, K$ X7 y9 _* R) {  g; Z
   
. z$ d( k: n; [# j; |   
# N( e  H% |- i6 a8 s: ?   Dim zAngle As Double
0 x& W) P5 ?! `, ~+ n) y1 m! W   Dim aveAng As Double3 H8 Y9 o- N' B9 [& [
   Dim Rf As Double
& ~  X3 x% N& {) F$ m5 u2 X   Dim gd_X1 As Double, gd_Y1 As Double, f1 _: j$ T1 d% y
   Dim poly_arc As AcadLWPolyline
( K9 B( i8 _% }$ N* V, a   Dim points(0 To 3) As Double/ Y& d! J" l2 t
   
; A  Y5 C0 b4 @$ S1 I" x' S0 _   
1 x# A" U. P; ?/ B. }6 T   
! y8 P( S" Y3 x- ^   zAngle = (360 / zNumber / 2) * (3.1415926 / 180): B# M: X* |4 l  ?
   9 W7 a  f7 V; e" \2 y% r
   aveAng = (bbAngle + zAngle) / 2& ~, |: A% {+ J, t5 U. |8 n, X
   $ k6 Q- P) E% u5 [- `2 {
   Rf = (zNumber - 2 * ha - 2 * c) * mNumber / 2
  X% q7 k2 q. u3 t% x5 A* ]! G   $ {; H# i9 J, v, z3 c; G
   / q$ w6 ?* B! B
   gd_X1 = Rf * Sin(aveAng)
" v! }6 L7 E8 v2 R   gd_Y1 = Rf * Cos(aveAng)9 }/ z, Q+ |+ e+ }
   ( v+ s7 K7 W7 y& |/ h/ ?. D" A
   ) }0 L. M1 x8 u* _1 o# R7 l
   points(0) = Xb2: points(1) = Yb2# b5 R. ~+ c* j! X/ f6 Q; ^
   points(2) = gd_X1: points(3) = gd_Y1
3 n9 I# E, x1 _6 r) H   * Z" ^# N% c7 b4 X1 g4 Q
   8 K7 j$ m  G# z: N7 j  v
   Set poly_arc = blockObj.AddLightWeightPolyline(points)
/ v/ j0 I, @% r9 ^$ b" L2 y; P   
3 C) u( v5 ~8 z! m   5 @: l1 P1 H4 l0 F! ^) B0 ?
   poly_arc.SetBulge 0, 0.2# Y- |* e& c# I- @3 l
   poly_arc.Update
# O3 J1 T6 U0 A     s5 o" S7 S5 X0 T/ k- ~( e, @2 n
   
+ @/ X) I2 y1 H: {5 V   ! G& r, f2 T9 j* ?& Q0 I
   
! C" f) l0 B: X0 U1 A5 `( S4 N# m+ F   Dim arcfObj As AcadArc3 C# j1 r# C- c/ j
   1 e  A  r$ E! Y- D/ `) {7 S8 `
   
2 f' M* ~6 p1 D$ M  P3 g( a   - @" E/ R( b, x1 c3 B+ r
   sAng = 3.1415926 / 2 - zAngle7 M3 q4 ]" X! @9 S. _, k
   eAng = 3.1415926 / 2 - aveAng+ |% T& `- h! a2 ?
   " w- e  N. N: k# s
   
5 k6 e$ O# @# E! p( P8 U   Set arcfObj = blockObj.AddArc(insPnt, Rf, sAng, eAng)
7 Z: I2 C% }8 t9 M   
# n4 f' J1 J. H4 s7 ^+ m( v   & I4 r. d; k  [" \4 g
   8 ?( q$ {1 l7 f4 Y0 G4 ~' X, q5 P
   Dim mirPnt1(0 To 2) As Double& {5 F) s  ]2 G' t# x
   Dim mirPnt2(0 To 2) As Double
+ s( F/ G. a( d/ f, }5 ]3 a   Dim poly_arc1 As AcadLWPolyline2 f; ~* M! ^) D
   Dim arcfObj1 As AcadArc' x+ s. o6 \9 t
   8 B. A% J) m, u8 ?
   4 y/ D. O) S- n8 a
   
3 G2 l3 V. G) N3 ?& Y) _   mirPnt1(0) = Xaz: mirPnt1(1) = Yaz: mirPnt1(2) = 04 n5 U. {- A: s/ w9 j
   mirPnt2(0) = 0: mirPnt2(1) = 0: mirPnt2(2) = 0
2 ^% ?1 `1 B4 n/ A# k/ q   
: L  m* |" M4 O, E   7 u3 W# J1 O" U# t/ B/ L4 ~
   8 Y6 L# v. X  r) e
   Set poly_arc1 = poly_arc.Mirror(mirPnt1, mirPnt2)
8 V" v5 _; J* n; P   6 D$ e. w/ A, o
   
! J+ x( ~$ ~: x6 L   Set arcfObj1 = arcfObj.Mirror(mirPnt1, mirPnt2). v/ _( g/ n0 D; p- x' w( }4 R. C
   * j+ ], }! l  T. L, M5 l+ j
   
) f2 [* _0 ~9 `8 Y4 X   8 I1 K. c( m" ?
   
5 w/ n0 K( H2 V! h* f3 q% ~   Dim blkRefObj As AcadBlockReference, h7 f4 O) h4 ~
   Dim insertPnt As Variant
  x+ `% i6 x! r- I   Dim rotangle As Double7 J, y: j8 H' E. @" Z4 {
   Dim I As Integer* u; O( e; e8 p  Z  w
   
* P; W/ G8 L9 H, Y: ]   
5 L# V8 k: W* S* M   
, M0 N/ n& f, f. `/ y$ J/ t   insertPnt = ThisDrawing.Utility.GetPoint(, "选择插入点:")$ J, z/ p% O2 B& G. \2 S! `4 t8 C6 w
   
! Q  r- B1 u7 r( @: q   
# z' ]4 j! n1 o( T% R   
% C/ ^& y$ E2 _$ r! X   xscale = 1: yscale = 1, ^5 h9 Q. y4 Y' i' T/ A8 {
     e7 m4 A0 Y$ F; t& P
   
7 k# l+ ~1 {) H   On Error Resume Next
* m# B* ~! f8 ?   
6 M" [% d' e8 z   
+ _/ n6 M! J7 U* h& v   xscale = ThisDrawing.Utility.GetReal("选择X轴比例因子(默认为1):")
! K. ]2 y7 h: c  e   
' V! _9 y% T/ ]   yscale = ThisDrawing.Utility.GetReal("选择Y轴比例因子(默认为1):")& s) T& Z; T  H/ B
   
6 l& F- I" l% v( D0 z   , x# w' {+ h" M0 k" q
   " ?& H) r7 K4 K) J( Y% O
   For I = 0 To zNumber - 1
, C7 k: z: Q7 |6 r6 ^   - y& f) y) k0 X/ g; P5 T. @
         rotangle = I * (360 / zNumber) * 3.1415926 / 180
; c+ D8 ~2 n4 U0 C5 G+ u2 |  S1 p         Set blockRefObj = ThisDrawing.ModelSpace.InsertBlock(insertPnt, blkName, xscale, yscale, 1#, rotangle)
7 `8 X! e" j( ]         
+ G* ~5 k7 p& b* Z" Q         1 z' @) P+ s7 L4 w
    Next
2 }& X8 x) G/ k9 Z, @8 Z   
% O/ q2 w6 w& N6 z9 U    4 X: D/ ^0 H/ V! Y
    ( {& f9 k, r9 S- g  |
    ThisDrawing.Regen acActiveViewport
9 \4 O9 t8 [$ A9 X& @' s" p    - t) H6 r, d3 c: |8 t2 v
    1 I- i  C  d* J& z$ [1 y
    ( j, |( @7 C: d% z# x# d$ f6 i$ y  d
   End Sub# T6 K% \3 P, \; J; ^

& T  p9 q$ k% x% c* c! f4 \! g* |0 E: P% d6 H: F
Private Sub CommandButton2_Click()
; B. H  _; x/ v5 F3 f- j- e( F6 F* `9 R4 p( _) @
       Unload Me; X' l6 R  ]' \( f4 Q/ B4 D+ z
End Sub% i6 Q' _6 C- U( g9 G

' `" N' }2 e# gPrivate Sub UserForm_Initialize()( }- ~3 x( F3 G) m$ k3 y
    '默认时的参数值$ W- K; s, T: w! R2 Q- n! D: U
       mNumber = 0
. `0 d# ]5 \5 E3 t7 Q. h" u0 X       zNumber = 0
, [) }; \  [1 M- G" F4 v( s, y       aAngle = 20: x6 V9 D9 O7 M* r5 c
       ha = 1
1 D. b6 G- Z+ L7 ?3 r, n; J% v; H       c = 0.25
9 g: S$ K" Z! ?      
6 q) g3 ?% i! w# T$ w      
3 ~0 f% ^# [% i* W3 K       '添加压力角组合框的值
) ?/ m+ ]9 [" |       1 N" p6 [3 ^) `1 \+ h8 a
    UserForm1.ComboBox1.AddItem "20"1 [) V9 z6 a& u4 c5 s
    UserForm1.ComboBox1.AddItem "15"
# ~2 Z. }4 h- d8 t  ]    / q8 G/ ]9 n. P' ?0 d# I
    2 Q8 b/ `8 ?9 }+ G
       '添加顶高系数组合框的值0 J9 g: g+ C( N
    " s$ V1 g6 V( Q$ Q- G
    UserForm1.ComboBox2.AddItem "1.0"
4 E% z" G) W0 O& {# H- m% j    UserForm1.ComboBox2.AddItem "0.8"+ R- S* S3 |9 E6 @
    3 x* j; |  p. L) c( d# ?8 h
   
% {, L3 J# F5 d* f8 n0 S       '添加顶隙系数组合框的值
4 Z8 y, {' W: O. u" D" j) w9 p8 T, ~    . _6 h2 V. a* S; S. x
    UserForm1.ComboBox3.AddItem "0.25"
- ^$ e9 L# d! J    UserForm1.ComboBox3.AddItem "0.3"- h4 P4 p7 _' x) v/ y& D; p
   
  }$ N7 W$ T7 D  }        '设定组合框初始状态显示的值
& s% @- H9 c# V- U! q; I    UserForm1.ComboBox1.Text = "20"4 x! m3 ], R1 @  Q, k0 [$ N8 F
    UserForm1.ComboBox2.Text = "1.0". `" V6 F+ e" M5 x' r  {
    UserForm1.ComboBox3.Text = "0.25"
+ L5 Z/ e" k$ X( `9 z   
/ {0 p: q% \; g. \' ?; g' e    : O% A3 t# H3 C& q! r0 c5 @9 N9 y
    UserForm1.TextBox1.SetFocus
/ o1 ?. Z1 o% O; V# \   
8 |# m$ N# K$ X. T# J1 O# J    / A- q* L2 i* G
    End Sub
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