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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()
' `9 o% q+ Z9 E% m       mNumber = Val(UserForm1.TextBox1.Text)0 S  F: L3 j* k3 W
       zNumber = Val(UserForm1.TextBox2.Text)
' p+ Y( C1 f0 q! G9 P       aAngle = Val(UserForm1.ComboBox1.Text)3 f; k: }, m* o; O( \, p
       ha = Val(UserForm1.ComboBox2.Text)( S% Q3 L7 G# O! w
       c = Val(UserForm1.ComboBox3.Text)
* ~8 f/ \0 l7 o      Unload Me5 F: }: r# ^1 R0 f/ i. g
      
: y+ h4 e% w3 \) z6 U' _4 L. [      If mNumber = 0 Or zNumber = 0 Then
* V9 I) q0 I7 y. u        Exit Sub
0 o' r0 g1 c4 ?: }  h1 U        
/ F" K" h  M/ v% w4 T4 B& m) f: eEnd If, Q) n- y8 A5 h2 I" K
     aAngle = aAngle * 3.1415926 / 180
* ^0 |0 W6 l1 `; u     
, `) V# \+ w, b( k     
' C8 E& C2 i8 P: O8 ]     1 f( N& Q$ P4 L8 y8 \. y/ _
     3 D) q$ V' R5 D8 F2 \7 G
     
7 |  p/ H, b; E$ H0 f   Dim bAngle As Double: A# ^0 @; {3 B+ o* p" [
   Dim X1 As Variant, X2 As Variant: B% u% e: ^; M  z' z" i9 o
   Dim Y1 As Variant, Y2 As Variant: P' P3 b; {6 \4 g1 B  m  D
   
4 d3 }% h& k5 b+ @( I8 \! B   
. D/ r/ E/ i& B5 z1 \   bAngle = 3.1415926 / (2 * zNumber)
6 A" M. }- |& B2 Y  s" @$ n3 s4 _   
1 N( k. _' g. S1 j   X1 = -(mNumber * zNumber * Sin(bAngle)) / 22 k7 d9 W1 `$ }5 O2 y
   Y1 = (mNumber * zNumber * Cos(bAngle)) / 2' @  J: i! }4 _' W1 @
   
$ h- h+ `- ?, m6 j  R- g   X2 = (mNumber * zNumber * Sin(bAngle)) / 2
: R" h/ X2 O, ]' d. }; k3 j7 e3 C   Y2 = Y1: w% {* x: W5 r* O
   ' _: k( m; J/ m1 Y3 N; Z7 K
   
/ ?3 I1 _  U$ X  ]. |- M& H9 |   5 n1 M/ ?" M" f$ b; T$ }
   Dim bbAngle As Double
- u! ^5 y, I4 }   Dim inv_a As Double
9 ^7 d, f4 L9 A' T6 `4 I   5 U) O9 _  ]: w- S0 s' d
   Dim Xb1 As Variant, Yb1 As Variant
' |% B! W% d+ q7 {$ u2 o3 t   Dim Xb2 As Variant, Yb2 As Variant' u7 n  Z" `3 I  V! p$ ?* @; Q4 U
   
# z) U/ N* Z8 H/ g5 D* b   % ?+ }2 k2 u' h( c6 `" u: l
   inv_a = Tan(aAngle) - aAngle9 d1 P6 `5 L, e; B
   bbAngle = 3.1415926 / (2 * zNumber) + inv_a3 ~; N- {3 ~) X# O' r9 b8 b- n
   
% G& y" d: I# h& g: G% p( U1 x: O+ M   
/ b, |: ]' ]* t1 C   Xb1 = -((mNumber * zNumber * Cos(aAngle) * Sin(bbAngle)) / 2)4 O0 B9 D3 ~9 I7 }( Z/ l3 Y
   Yb1 = (mNumber * zNumber * Cos(aAngle) * Cos(bbAngle)) / 2
- m+ A/ p7 U" I, Y; d* b0 z" U( a   
" L) b' a. Y0 n2 F- Y7 b# {   Xb2 = (mNumber * zNumber * Cos(aAngle) * Sin(bbAngle)) / 2
* g  h1 r  Z4 O! N   Yb2 = Yb1
& ?+ V3 U; J- Z, D/ E   
% @  U' j) V) `) v   
# ~; x/ N6 h7 Z8 q: c   Dim aaAngle As Double; R2 b( i" j# Q2 z5 T; E" e: C
   Dim baAngle As Double6 ]6 y, V/ E# v: j9 P' _
   Dim inv_aa As Double; P+ c; ^# u% t/ `, d! [- g
   
6 h" K! t& W' t: E6 t9 D   Dim Xa1 As Variant, Ya1 As Variant
6 ]- A7 }1 X& d3 d4 T   Dim Xa2 As Variant, Ya2 As Variant1 p1 h) ?* Y6 w% v% I
   Dim a1 As Double1 B0 e( d! e/ n
   
6 u8 u1 |  y8 _% P   a1 = (((zNumber + 2 * ha) ^ 2) / (zNumber * Cos(aAngle)) ^ 2) - 1
0 x( q( g( l! @) V3 |: a$ A   inv_aa = Sqr(a1)
5 P9 w! G/ @$ o8 E; F9 I# g* Z7 ~   aaAngle = Atn(Sqr(a1))
/ U0 R  u3 l* }. G   inv_aa = inv_aa - aaAngle& c, M: ~& ^# r) i
   baAngle = 3.1415926 / (2 * zNumber) - (inv_aa - inv_a)2 W( g+ v  w3 Q
   
+ L! Q) j( y, ~. {6 V* P# _0 ?   
( B& Q/ Y5 Z( \% }   Xa1 = -(zNumber + 2 * ha) * mNumber * Sin(baAngle) / 21 c8 U$ z  B- f- r/ i
   Ya1 = (zNumber + 2 * ha) * mNumber * Cos(baAngle) / 2, H  }9 m1 x" Z. ^. Y3 t
   
& C. `4 P$ `) z: f7 Z   Xa2 = (zNumber + 2 * ha) * mNumber * Sin(baAngle) / 2
2 E9 m2 F+ z' _   Ya2 = Ya1
8 z: [! b  `/ {- H+ q- o+ ]   ( I" Z7 v/ ~" z
   0 G0 ]& v, r4 V5 e7 d4 T
   Dim Xaz As Variant, Yaz As Variant& D9 F; I: u$ a4 l( J
   
: i0 |1 \  C. D6 I6 n$ [" J) L/ O     h! N# f0 ~' I" J
   Xaz = 0: Yaz = (zNumber + 2 * ha) * mNumber / 2
/ |. Q  O' X$ j2 X; U1 Q! L   
3 m+ ~# p% D. D   1 n4 j# @2 H4 ]) A1 o( a
   ! o, E  Y. V" V6 d5 Z
   Dim blockObj As AcadBlock" e* U) `! _' `' L5 {; ~* }
   Dim insPnt(0 To 2) As Double
( I1 H& @" @1 a; {0 [" U   Dim allEnt As AcadEntity
! L& M+ [: A! [   Dim blkRef As AcadBlockReference
+ V; K1 y3 R% o7 T   Dim blkCount As Integer
* a; P" W; D8 F, x- T   Dim blkName As String: D) t3 B' ~) {& @) G
   # R; V5 Z4 c% }5 F
   
% g! u- Q4 H5 B2 @. e4 f, {   For Each allEnt In ThisDrawing.ModelSpace. C3 {0 y" O) q/ M" Q6 i
       If StrComp(allEnt.EntityName, "AcDbBlockReference", 1) = 0 Then
$ s6 {' X$ ~4 m: T            Set blkRef = allEnt
+ p9 e) X) s' R3 r$ d            If StrComp(Left(blkRef.Name, 7), "blkGEAR", 1) = 0 Then+ S8 K1 _" ?; d
               blkCount = blkCount + 1- [7 V- {" y  U8 @' b: B' g
        End If! ?/ V$ {" |8 C0 s9 H
     End If; s7 C- H6 O8 y$ G/ ^# c' j5 X
   Next! t& ?2 d0 I5 f6 U/ T$ w: a+ V
   blkCount = blkCount + 1
" [& `1 d, e, o; N% X0 R   ' n; j7 z- y: C4 N+ j# B
   
! K& h( b3 ^+ ?$ c; Q   
6 b2 d  G! L# b+ ~- C   insPnt(0) = 0: insPnt(1) = 0: insPnt(2) = 0
# C$ z' g! f, o3 T# Q   blkName = "blkGEAR" & blkCount
2 l9 z/ B' w3 f7 i' _   Set blockObj = ThisDrawing.Blocks.Add(insPnt, blkName)
* a+ v4 A2 f4 q* d   3 Z2 n  h  r1 d0 J$ |0 G, {. z
   
+ @; G6 S# B; C0 R( e. [( D   + r- d5 R: L& Q$ C; r
   ' t+ k' Z7 Z: P: c( K: r# p3 z5 p* s
   Dim sTan(0 To 2) As Double( ~+ m0 t0 D) B, C* {5 V; R. I' ]
   Dim eTan(0 To 2) As Double
2 Y& l9 M- J0 M5 \: ~: Y" F! l" }   Dim fitPnts(0 To 8) As Double: _  f6 O* x" l% D# a
   Dim splineL As AcadSpline5 y0 |: ]  m* |
   Dim splineR As AcadSpline
& ~& z6 K1 Q- [% f; R, k- L   
  ^$ V0 r- j) h! D     r+ G* p1 X2 p# P8 E& {
   
0 G. ?3 Q9 \' x/ L; T   sTan(0) = 0: sTan(1) = 0: sTan(2) = 0
8 b4 Z0 c- j! e: F) Y' R+ V   eTan(0) = 0: eTan(1) = 0: eTan(2) = 0
: m6 j9 H5 Y3 @! j+ Q   fitPnts(0) = Xb1: fitPnts(1) = Yb1: fitPnts(2) = 0' E; U! l! A9 M9 b0 v
   fitPnts(3) = X1: fitPnts(4) = Y1: fitPnts(5) = 04 S0 d6 h- [5 X: z7 R
   fitPnts(6) = Xa1: fitPnts(7) = Ya1: fitPnts(8) = 0: |& w) G' l2 d1 i5 J- M' ~
   
, t, g: Z. ^' b( Q% u- l/ E  p   : d; d6 A$ [/ H1 ]0 Z$ |
   
3 k6 s0 S- D! o; ^! w: P8 }   Set splineL = blockObj.AddSpline(fitPnts, sTan, eTan)! ^9 D; O0 c7 w, K6 H( C
   
' k# `$ M( x' _8 z6 P   
. g+ c* F1 ], l7 c' Y, Z( q- T# q   fitPnts(0) = Xb2: fitPnts(1) = Yb2: fitPnts(2) = 03 b6 A) |7 g. t0 Y$ k, V' i' q5 p
   fitPnts(3) = X2: fitPnts(4) = Y2: fitPnts(5) = 0
- y1 R/ n" I6 {   fitPnts(6) = Xa2: fitPnts(7) = Ya2: fitPnts(8) = 0+ G6 `1 P/ y6 F5 A; {, m9 K
   
1 G/ J& g! Z2 u8 D" A   Set splineR = blockObj.AddSpline(fitPnts, sTan, eTan)
# m; A1 J! j9 d' T( h   # I8 X$ E3 c3 F1 e) m7 G
   ' v& I1 P" v* ~, Q  d! d  S/ k
   
1 d; r6 t+ {4 d( m3 V   Dim Ra As Double
$ Z" A* w1 \% g4 G6 C   Dim sAng As Double, eAng As Double! H- n1 \1 x/ c# A
   Dim arcObj As AcadArc. R. o7 _- M" @$ k6 e" S, E% P' W
   7 Z8 K( ]+ M" u( C
   6 [6 ?! F% F; V0 ~& A
   Ra = (zNumber + 2 * ha) * mNumber / 2
% T& t% x, {, y, M   sAng = 3.1415926 / 2 - baAngle
5 |- K* ?1 E' X6 ?" L; _   eAng = 3.1415926 / 2 + baAngle
! Z7 h3 I# p& \   
+ A2 H3 j3 v9 I, c5 N/ m   
' E( }: Z  ]' h) S* r+ N* O   Set arcObj = blockObj.AddArc(insPnt, Ra, sAng, eAng)2 _) }% M5 x9 ]* [2 s2 U
   
9 k2 V8 ?" c5 f" ^4 H/ C   # ~4 R& M' C( X+ U! i; p2 h
   Dim zAngle As Double# E9 B8 J" Y2 t; d6 w+ }
   Dim aveAng As Double
% K9 ~, K& _" U* P4 e   Dim Rf As Double
" Q* G% }' [9 S0 |+ \) p) k% n   Dim gd_X1 As Double, gd_Y1 As Double; O, W: T5 N0 G7 `8 m8 G
   Dim poly_arc As AcadLWPolyline
+ j3 A, j* C# J" s   Dim points(0 To 3) As Double
0 ]6 O3 W( Y/ b( j$ ]   
* P: y* q6 y3 n8 C   
3 l, q; j, k; L4 @; u. u+ \   
  }7 s5 z9 @, ]  V: Y3 o   zAngle = (360 / zNumber / 2) * (3.1415926 / 180)
# ^6 c6 H  N0 q- T: B" v8 `+ d   1 Y) F: n& l9 L( X
   aveAng = (bbAngle + zAngle) / 2
7 Y# v: @/ b! y  _   
) E1 j) g" g8 w+ d. B   Rf = (zNumber - 2 * ha - 2 * c) * mNumber / 2
- o* v* |+ p3 z' `   ( w: E9 c6 D" `3 I
   
0 T$ e+ _9 H# ]* E7 M/ ?! g. S. a   gd_X1 = Rf * Sin(aveAng)' h4 D. p7 z' G0 P4 d( \0 u
   gd_Y1 = Rf * Cos(aveAng)& @% m- m6 G- g( n) {0 a
   
* ~6 k9 o+ f7 b$ }# k/ t   ' d* ?* }% S/ t* U0 z- s
   points(0) = Xb2: points(1) = Yb2
9 a# k" m! q2 _% ~   points(2) = gd_X1: points(3) = gd_Y16 N# @" e$ U  c: Z
   . ?4 I( G2 a* u& [% r2 H/ }& V3 O
   : `  x, Y" S, K* g
   Set poly_arc = blockObj.AddLightWeightPolyline(points)
! o" c- E+ L. O9 V- e* S* V% y- w' Q   # Y; V) x9 M9 D" G
   . j. q* ]! C7 T; q6 y1 l+ m
   poly_arc.SetBulge 0, 0.2# j7 @! U" `$ @, {( _% @9 }
   poly_arc.Update: T3 H4 O$ T( ]! q& t
   
. t5 o$ }. O5 W2 s; a   5 ~$ a; h6 W  l! w
   
/ P" N' A5 n- I1 W+ o, a# I% S     F5 h& w: I# c2 K0 o* }0 y9 D0 Q
   Dim arcfObj As AcadArc
5 r8 s: p  J" L   
5 `4 [+ D0 K' V. I* }- @/ t   ; N4 r( `1 C+ a, ^: O2 |2 {
   
9 b1 [4 a6 O( ?" O' Y0 i+ W$ s% J$ l   sAng = 3.1415926 / 2 - zAngle, N0 N4 `0 h8 m0 L
   eAng = 3.1415926 / 2 - aveAng/ f7 Z2 q5 _$ i) R& b/ [' n, Z
   
2 o! h, F* M" s/ w$ I5 W- @   4 I& C4 v1 c8 ?/ o, v* _/ ~& L3 l. J
   Set arcfObj = blockObj.AddArc(insPnt, Rf, sAng, eAng)$ I) T: K; F& o
   
7 ~) N0 D$ Z) a7 `   
1 @* Z6 ^2 d1 g6 F$ f   ; N9 [3 @. g/ K% a# c
   Dim mirPnt1(0 To 2) As Double
( ]7 G3 c, J& H' G7 Q: Q+ s   Dim mirPnt2(0 To 2) As Double
9 q2 b% N& Z/ |+ L: m2 n5 f9 I   Dim poly_arc1 As AcadLWPolyline6 G" |9 C6 c- Q) J. D8 V
   Dim arcfObj1 As AcadArc
2 @' J2 a' K- m, y" {   
' S' b8 U! `: q* j0 P   " Z( v+ Q1 ^! c0 A! u2 ^
   9 e! C7 p. `$ I6 K
   mirPnt1(0) = Xaz: mirPnt1(1) = Yaz: mirPnt1(2) = 08 z& O, k! Y, [; Q* Q: u
   mirPnt2(0) = 0: mirPnt2(1) = 0: mirPnt2(2) = 0
% n+ c$ [* N6 _( e6 ^% P) g   6 D" U- q& m- r  b% }
   1 ~7 f$ ~; w4 r1 y! j
   . r7 A5 t  D8 {( ~: R
   Set poly_arc1 = poly_arc.Mirror(mirPnt1, mirPnt2)8 g( w7 [1 K$ w; O
   2 Q( z! I$ a) f1 `+ G  V8 O4 i
   
5 _# V, y8 G$ y; ]4 L% N   Set arcfObj1 = arcfObj.Mirror(mirPnt1, mirPnt2)6 N7 N% L- O6 R" z9 D
   
4 B3 F& G' _( }) X% n( J' }4 `   
) _( `' }- t: y4 U- R: ]3 Z   
! n, x3 G2 {$ u1 U   
* l3 q. O2 Q! t. |3 `4 K   Dim blkRefObj As AcadBlockReference
" S5 K' |% p" l# O' \: y  E& A   Dim insertPnt As Variant
/ Q3 X% t7 l% d9 @& ]1 I   Dim rotangle As Double& ]- M- E2 ~+ |0 l4 X2 s
   Dim I As Integer
. ^# E. S- n; _7 ?3 ^/ z9 @6 F3 Z   
( T* Q  m( g/ h) P! B2 R( ^   
7 j$ A% L; f  S4 R$ u   
4 m+ f$ r8 ^$ T( c   insertPnt = ThisDrawing.Utility.GetPoint(, "选择插入点:"): O# [/ l& h) [; s1 [
   % ~3 z2 w/ A( L; R+ x! @" d# @
   + @3 p$ A9 h& j5 `3 s6 o6 P2 E3 K
   
/ W6 v+ G3 F; r: p* V2 M- J   xscale = 1: yscale = 1
7 S% Y/ Q$ w" |- l  T   
& m. p  Y+ \3 L2 M+ m4 q2 }, I   
( h/ y  E" P+ ^+ L9 B( c( U   On Error Resume Next8 x9 j: v  T! x; T2 e- ?/ B8 d
   , F0 a& h" W3 W! P5 u  ^! Q
   " Y4 Z! I! ~8 {5 e& k# ]
   xscale = ThisDrawing.Utility.GetReal("选择X轴比例因子(默认为1):")9 p3 g0 O" R8 c9 }
   5 C8 {1 w, S/ Z  V) H' E
   yscale = ThisDrawing.Utility.GetReal("选择Y轴比例因子(默认为1):")3 W' \0 O. ^% S5 v7 L# M! ^. ~
   ' I* n# X# b& ?9 ]  L$ q) b
   
. {5 {6 j$ Z: X( ?& T   
3 j! [. ]' z5 y3 |. b* y   For I = 0 To zNumber - 1; ~* G- ^# Q7 x6 n6 m; m
   , b( a7 K; |" B4 o
         rotangle = I * (360 / zNumber) * 3.1415926 / 180$ {5 _/ X& }' I2 P
         Set blockRefObj = ThisDrawing.ModelSpace.InsertBlock(insertPnt, blkName, xscale, yscale, 1#, rotangle)( ^7 z; |+ ?. U" e* K$ D8 Q- {" H
         
! j. z- I7 ]) D4 A' J$ ~) y         
+ Y" j/ ]% M( B* e5 O    Next
, R& ]1 L! r1 ~6 ?% Y5 Q    4 a) j3 |. |* A8 b- _! h! g, C# a- h
   
* C6 s/ h3 c* k) F' P  J   
/ ?; Y& h/ A/ d: D7 H1 G5 s    ThisDrawing.Regen acActiveViewport
* }5 [7 a( |% ^2 X1 ]    ; A& A( m) `6 I
   
5 g9 F( b5 u' N4 F/ M- s2 h    - q+ g  ?' j) C
   End Sub% l( ]. u, k' s$ D- Q

. E. C' X4 o, ?2 r5 @
1 w" @) F  Y, V! d4 `Private Sub CommandButton2_Click()
' h) l. N  W0 x1 l" p) S, H/ v% P! K
       Unload Me
& `. `8 v( h9 w2 z+ V4 A$ m, D4 @/ LEnd Sub" Q* R. N2 A) l2 r& O) R) R
- T, O, g7 ?+ c& u- ]( I# _% S1 S: K
Private Sub UserForm_Initialize()% N) O- A4 V. R. S& n, n
    '默认时的参数值
. y. O, y! O) i. H       mNumber = 0
  f. N+ W+ b$ i" U0 a& p       zNumber = 04 p7 B" K/ l" R  @9 O( d
       aAngle = 204 @# v6 J3 N' x
       ha = 15 Q( R  ~/ R8 b$ G% K  {9 w+ a
       c = 0.25/ L5 |& _2 k3 E  z; a* D; i( A: s
       0 A- ~8 X  g0 K3 ?. z
      
( t0 ?# k" A4 U0 _       '添加压力角组合框的值% @2 A; i+ |) S: y( B: I7 A, v+ ]) g, L
      
3 X7 f' c" L2 n* `9 ?6 R  W) u    UserForm1.ComboBox1.AddItem "20"( W3 @; }# p* O3 A& O
    UserForm1.ComboBox1.AddItem "15"3 e' s) H: p( r% S! E- J
    6 ^* p$ p- u+ @! u1 l5 _  U
   
$ b! k0 Y* |2 k: F; L       '添加顶高系数组合框的值
! F2 t/ O3 H( O3 k) I, e( p  S    * q! C' u7 m8 q* p* J' M
    UserForm1.ComboBox2.AddItem "1.0"
. a3 Y0 @& o5 m# V) h" d4 F- n    UserForm1.ComboBox2.AddItem "0.8"8 {7 ^' H; q2 ~7 k( k+ z/ H* R
   
$ `) {; N; D* J  i: O$ x: L, Y    : J& q) ~+ y. z' L& T3 Y
       '添加顶隙系数组合框的值% s6 c! i. L9 S$ u2 w, E& h) Y
   
1 W- V3 k3 j( f; p7 c' T    UserForm1.ComboBox3.AddItem "0.25", v& G( g* a! p0 |4 A$ t5 p
    UserForm1.ComboBox3.AddItem "0.3"
" w# u9 P, D  @6 A% t   
. O0 S; P# j  R2 m8 {/ |% N4 T  ]  Z/ T        '设定组合框初始状态显示的值
6 D( g, X# x, M9 W. m+ Y3 q    UserForm1.ComboBox1.Text = "20"' N1 r7 q+ l" D
    UserForm1.ComboBox2.Text = "1.0"- r. p2 K! n, [/ m
    UserForm1.ComboBox3.Text = "0.25") z: I- n) x% T& W5 o2 c0 S
    + w: u7 o3 v  e5 N( t- u
   
7 [" k' z$ J! S9 H0 C, ^$ ?    UserForm1.TextBox1.SetFocus
- a) I+ n+ R4 P, L   
- \- y4 Q& f9 c" M; l9 n9 E   
- [& d  l8 B% s0 d7 l: b5 g( [    End Sub
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