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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()
7 ~! y5 Q9 `( O: o! I# \! p       mNumber = Val(UserForm1.TextBox1.Text)4 S9 x! L2 R0 @! X, K0 |6 J
       zNumber = Val(UserForm1.TextBox2.Text)( e" ?2 @$ z1 }" e" ~
       aAngle = Val(UserForm1.ComboBox1.Text)6 u; L4 W8 z: B* B; K! ^! e4 [
       ha = Val(UserForm1.ComboBox2.Text), Z: Q- N3 T6 B% Z/ {9 K- O) z
       c = Val(UserForm1.ComboBox3.Text)! `* W0 Q5 i" o! p* q
      Unload Me
+ L2 A* I! ]. F2 f1 L- [      
+ k; F" b" B& x& U; t+ I- u      If mNumber = 0 Or zNumber = 0 Then
, Q. k8 Q6 m! L        Exit Sub5 a' g$ M0 ?4 [3 @6 k+ t
        & K* F3 D' h0 e5 P3 @" T  q8 [
End If
: J# {+ W  c! ]0 H: T7 N& h     aAngle = aAngle * 3.1415926 / 1806 B- J9 r! e' U6 N( f
     : d5 n, a+ f1 b- u) a% V: p
     ) x. \0 F  n& P2 @$ q, o
     
9 ?; `, o0 n/ i) ]% d# `- {     6 D, O% W# d4 O& A$ q8 ~: b
     
5 o( _' P3 r: i4 K: E* G   Dim bAngle As Double
: Q1 `4 }. L2 _   Dim X1 As Variant, X2 As Variant. q3 Q5 z  T1 k( t
   Dim Y1 As Variant, Y2 As Variant9 T; G" r. T! {; C
   
  b+ N) }" ^, x9 r8 k) |% P- D6 n3 T   
5 P' @/ {& x! B0 p/ V& p- j   bAngle = 3.1415926 / (2 * zNumber)
; K! H/ `0 P" b5 Z. D2 F" |7 @' ^) e   : F# e; Q& F4 F7 E/ o* B% r7 ?
   X1 = -(mNumber * zNumber * Sin(bAngle)) / 2" t2 D+ g. _/ B( [+ n
   Y1 = (mNumber * zNumber * Cos(bAngle)) / 25 {' ~  T( R2 R8 l' e3 {6 ?8 D9 k6 b
   
, c- o1 Z' ^8 C1 E2 q   X2 = (mNumber * zNumber * Sin(bAngle)) / 25 v  K7 C% B/ D! n1 m6 y" e
   Y2 = Y1
" h1 u( H# z  C   
" K/ Q( n! \5 u" h! K! h$ Q   : u4 J# q* Y6 m2 \8 `! Z
   - ]& W$ N1 \6 j6 B, d
   Dim bbAngle As Double
) t, K. U6 F$ P   Dim inv_a As Double
  b% S2 z% p. O. M  O9 J   
! g* `$ X+ Q! |. p   Dim Xb1 As Variant, Yb1 As Variant
- G; z+ ]  h' w& t0 W   Dim Xb2 As Variant, Yb2 As Variant
2 q: n% N  Z/ Q0 \4 `4 r   / p6 [& u) q9 W7 x
   * l1 `+ U+ g- X; ?% i6 f. g
   inv_a = Tan(aAngle) - aAngle
- {/ f5 Y5 `+ k2 w   bbAngle = 3.1415926 / (2 * zNumber) + inv_a
, K/ d0 N6 v1 d$ h1 `- d# L7 j   0 g0 e" a0 g7 L. j
   
7 u: i. X0 v& K   Xb1 = -((mNumber * zNumber * Cos(aAngle) * Sin(bbAngle)) / 2)
/ x# {! [5 b8 X   Yb1 = (mNumber * zNumber * Cos(aAngle) * Cos(bbAngle)) / 29 y& m1 N  n# j4 {0 C
   ( O6 m0 ^" p4 D( \& j! G3 x
   Xb2 = (mNumber * zNumber * Cos(aAngle) * Sin(bbAngle)) / 2
2 Y9 B" k/ i6 `/ r   Yb2 = Yb1
9 \" ]6 W: [7 C% i8 M# U+ T   1 l8 s9 M: B' F/ d
   ; P% n. {; Q) [( v2 N( F
   Dim aaAngle As Double$ I! p; c) l& G. u- F4 _- Z
   Dim baAngle As Double
2 t; A5 f+ r& O5 \3 c6 ?/ w   Dim inv_aa As Double
; U3 b4 t( T- z   
1 R% v" N# l2 K9 r/ R* C8 }   Dim Xa1 As Variant, Ya1 As Variant7 R; h, K% I- I5 R/ Y  i
   Dim Xa2 As Variant, Ya2 As Variant
1 F- Z" i7 Q$ R. i7 n( S   Dim a1 As Double' e" u! l- A7 R" h
   
5 F( ~, q  Y1 g- T1 a7 u2 ]8 r   a1 = (((zNumber + 2 * ha) ^ 2) / (zNumber * Cos(aAngle)) ^ 2) - 1. A! g* m' A! s1 g$ R
   inv_aa = Sqr(a1)* I, |& b+ h& C* y9 E  A6 A5 w1 R0 w
   aaAngle = Atn(Sqr(a1)), [* p1 z% o! K' H) ^: o
   inv_aa = inv_aa - aaAngle  {5 D3 R3 l' j
   baAngle = 3.1415926 / (2 * zNumber) - (inv_aa - inv_a)
% w/ l+ h  W6 P: V0 _; w( P2 t8 Z3 p# F   2 `0 e% a3 s! Z5 x
   
3 D& S: V) {! F# c2 O+ ^& B9 X   Xa1 = -(zNumber + 2 * ha) * mNumber * Sin(baAngle) / 2; w& Z, _; b' m! u$ K; G
   Ya1 = (zNumber + 2 * ha) * mNumber * Cos(baAngle) / 2
' [! k* v* a  h& x   
" L7 e( K9 v, @; ]$ t. ?1 V   Xa2 = (zNumber + 2 * ha) * mNumber * Sin(baAngle) / 2
2 _: h8 W1 ?+ G1 y; X; p% ^' j   Ya2 = Ya1
. r/ q! h" c' P2 h& @3 W   
. y  t% \2 ^0 y' p. L) \   
/ i2 U1 [- C& P" E5 h- ^$ Q& X   Dim Xaz As Variant, Yaz As Variant5 s% `7 t. _& {* w- z* u2 [* m9 m
   5 z  [$ H/ q1 _! p5 c  B) K
   % o$ Y+ w0 R! e7 k2 w
   Xaz = 0: Yaz = (zNumber + 2 * ha) * mNumber / 2
3 }' S  U5 m) v   
5 \9 a* J7 W' @4 s$ h   
' ^" ^6 P7 C9 {! [   
1 s' l( f9 b& S   Dim blockObj As AcadBlock! |! k8 V* X) |# ~
   Dim insPnt(0 To 2) As Double: w2 B- h7 K4 K) O
   Dim allEnt As AcadEntity
' H5 w/ N  {0 L+ z   Dim blkRef As AcadBlockReference1 U6 D0 q2 |5 ?6 N. w4 y' N- [
   Dim blkCount As Integer
* v9 y9 V" R/ }5 T  W  F   Dim blkName As String5 D% `8 ]4 _8 W" w5 z* Z: K; W
   
6 Z' b' Z2 z9 r- _* q- m0 W* [1 r   
% D' P( B& G! p! ~2 ^   For Each allEnt In ThisDrawing.ModelSpace: Z& K1 ]$ [: n& H2 k( n3 a
       If StrComp(allEnt.EntityName, "AcDbBlockReference", 1) = 0 Then
: i. V1 a" v: S, ~) Y, a- A* P            Set blkRef = allEnt
" v' {! ~. t3 `. q" Y0 N; z            If StrComp(Left(blkRef.Name, 7), "blkGEAR", 1) = 0 Then
+ J* S8 ^9 p& p  g9 P: W0 L+ i               blkCount = blkCount + 1* t+ b- r# g; `: g& D" q/ f  Z, C8 w
        End If
; R  {. C  ^9 _) T# S% w     End If( U9 V3 U3 ]* B% S- @/ _/ w
   Next
) L+ i. @# e" _   blkCount = blkCount + 1
' C' y# |; ?: @   0 k5 _2 a* [  @7 @4 j6 h$ h) p
   3 u/ u; r4 \  j9 u
   3 P; Z4 v$ P; p' J
   insPnt(0) = 0: insPnt(1) = 0: insPnt(2) = 08 {' {( ~2 j! @* ^6 a6 h& @
   blkName = "blkGEAR" & blkCount
+ y6 d1 k, U& N7 C% o2 g   Set blockObj = ThisDrawing.Blocks.Add(insPnt, blkName)8 W: N9 G- a7 l7 ~
   
8 }  |: G; t8 l+ u   + I# Z, K( e0 @2 D2 R
   . P5 l, U8 c9 E5 p$ s; n
   ; C' N; d$ G. t5 u6 C  _! V2 u+ ?
   Dim sTan(0 To 2) As Double' G5 R. K! A& o
   Dim eTan(0 To 2) As Double% c) @% p+ z, g
   Dim fitPnts(0 To 8) As Double
7 w, p* l0 W" Q0 }/ q8 R   Dim splineL As AcadSpline
% ?- F* T. T6 t3 E   Dim splineR As AcadSpline9 B3 }9 d0 J9 i% e! G  b
   
2 a! U/ ]7 y" o; ]% r, _   * W9 |- |8 I) r$ Y
   
% x8 N1 u2 u) L! t4 h( ~# X2 \: l   sTan(0) = 0: sTan(1) = 0: sTan(2) = 0
: n5 e4 E+ N5 v! T   eTan(0) = 0: eTan(1) = 0: eTan(2) = 01 g+ U, H6 e9 v8 Q2 s5 W6 K
   fitPnts(0) = Xb1: fitPnts(1) = Yb1: fitPnts(2) = 09 @  ^0 P6 C, R, ~2 x% W
   fitPnts(3) = X1: fitPnts(4) = Y1: fitPnts(5) = 0( d) ^/ o" W0 ~8 ]" I: L
   fitPnts(6) = Xa1: fitPnts(7) = Ya1: fitPnts(8) = 0: b$ O* P$ E' B
   0 N! D3 G6 X0 I; r, ~
   
  O) L8 u9 v" F! F8 Z  ]   3 y$ t2 L4 ?% T$ M  V
   Set splineL = blockObj.AddSpline(fitPnts, sTan, eTan)
* R7 b& C* {9 N8 |   
+ }8 f/ w/ A2 z- J   5 N& v+ H$ H- o, d
   fitPnts(0) = Xb2: fitPnts(1) = Yb2: fitPnts(2) = 0( Z( q; v5 o( j8 Q& B# O
   fitPnts(3) = X2: fitPnts(4) = Y2: fitPnts(5) = 0' o6 g' u1 [" E* M& s& O
   fitPnts(6) = Xa2: fitPnts(7) = Ya2: fitPnts(8) = 0
. i$ C) S9 k0 v  Z  t5 a% U   / x2 o% l- N4 y* Y* k1 {1 h+ I3 b
   Set splineR = blockObj.AddSpline(fitPnts, sTan, eTan), }0 q6 A' e+ g. D) Z
   , B$ q3 J5 @8 o5 ?2 p
   ' ]6 @* Y/ X- Y& l( V! j3 G
   
$ q0 R8 X& X+ s% V( z: E% L9 i   Dim Ra As Double
, t1 q# B' w: M9 m5 z6 `3 M) b   Dim sAng As Double, eAng As Double  [3 `3 O0 Q6 Q/ j
   Dim arcObj As AcadArc0 T+ v: `' I8 S) J1 c  l0 [
   
4 N3 e2 h) L. w  R& m   
# y+ J6 n" d4 P6 \* `   Ra = (zNumber + 2 * ha) * mNumber / 2
% T( l, Q& G7 q9 U5 j1 i; Z8 |0 ?   sAng = 3.1415926 / 2 - baAngle0 ~3 G1 e2 m7 u: c# m/ j9 E
   eAng = 3.1415926 / 2 + baAngle# W4 u+ O$ V6 Y; |! n9 Y
     Z; s) `" O! s* V9 g
     N0 M# ?2 a$ D) `5 h6 X7 k: R
   Set arcObj = blockObj.AddArc(insPnt, Ra, sAng, eAng)6 N+ v: f( T: c  O
   0 C9 ]  ]$ m6 ?& P' t6 ]
   / ?+ H5 G' B0 M1 \9 y
   Dim zAngle As Double
8 {. D5 v" S7 k   Dim aveAng As Double
' k' N) ~  x; \& }7 s- Q. y   Dim Rf As Double
6 ~6 b9 ~5 \( u" ~3 G1 E0 _# d   Dim gd_X1 As Double, gd_Y1 As Double
* z+ A5 I( d# Z" J1 n6 e2 w% S8 o   Dim poly_arc As AcadLWPolyline
- I3 q6 ^7 K1 F- P* m& P" \. \   Dim points(0 To 3) As Double, ~# ]7 f. U/ p$ b/ \
   ) E  q$ o' w' i* `/ o' A$ b
   
$ m8 p" \1 _& b$ j, u0 w; X% G   
6 v0 o9 ~# W- P! f) P/ U1 U   zAngle = (360 / zNumber / 2) * (3.1415926 / 180)
! o2 Q. l+ T; m7 k   
" W# h2 s- a  H- h5 ]# b   aveAng = (bbAngle + zAngle) / 24 x! U) d" j! W. g6 p
   / v- Z6 c0 U/ n3 G* K
   Rf = (zNumber - 2 * ha - 2 * c) * mNumber / 26 e$ O/ P) H$ u. R; B" v# n
   
* v/ V8 ?# v3 q1 l1 D! c- Z1 D9 T   
1 h4 Y9 C& {2 z6 K4 _   gd_X1 = Rf * Sin(aveAng)/ c$ I- w3 I5 k* e: Q: p
   gd_Y1 = Rf * Cos(aveAng)
/ \3 I$ u/ J" ~! K   
' C- [8 [6 p$ z1 B, N; J   
) K8 r8 g! q% q; B- K" w  t   points(0) = Xb2: points(1) = Yb2
% F: y9 M) D- Z. I   points(2) = gd_X1: points(3) = gd_Y1
% R% \& m# T" D! ?8 O   6 r0 d( F, M0 F0 ?( l; ^
   ! x: o, Y( d. }3 K6 @
   Set poly_arc = blockObj.AddLightWeightPolyline(points)
* _3 D; v& G2 Q; z   
( q- H% k* E8 P7 C5 }$ X   + v* V. T7 L% _' @3 n: _
   poly_arc.SetBulge 0, 0.2+ Y- I- ]& m! H+ U- R" ^/ `
   poly_arc.Update
( S/ l1 Y8 q6 @   
8 E# F' c: C& T' L/ f+ w/ {' P   # ?+ s# ?6 H8 e& `4 Q* ~5 f7 P* \
   
" {; k' X0 z/ h, |& d   0 Z( [5 g2 Y! t% W$ S
   Dim arcfObj As AcadArc
$ ?2 }, j, {7 b9 T/ C2 W! X   7 c, ]! D; S: {7 [
   
/ q# }+ Q4 Z. s0 x* ~; [   ! W6 t! H, w* o& W/ d8 N
   sAng = 3.1415926 / 2 - zAngle
( ^& V5 K  s8 }) X! J: n; P: f   eAng = 3.1415926 / 2 - aveAng7 ~% t+ I  e2 M* J
   
8 q6 u& I! A) o1 G4 w8 E   % S, `) T" P; u% d9 M8 A( U. `% ]
   Set arcfObj = blockObj.AddArc(insPnt, Rf, sAng, eAng)7 t8 K7 t1 \5 |
     f# {* `. n7 U* U
   
- c  r( }7 N; n2 P8 O   0 q+ v8 @' P; j7 t' l6 |
   Dim mirPnt1(0 To 2) As Double
5 V* v" |2 s! ^& d. m& _   Dim mirPnt2(0 To 2) As Double
! a) W7 ?# [) A* c   Dim poly_arc1 As AcadLWPolyline3 P; h) b# i* q( B- a& a* w
   Dim arcfObj1 As AcadArc
! C4 A  K5 ]! x. o8 x   
5 ^' J9 X  p6 H, e   
1 q; y0 p1 b5 b! @% t$ A   
- Y' d7 f% l* A( v   mirPnt1(0) = Xaz: mirPnt1(1) = Yaz: mirPnt1(2) = 0& J3 p2 i. g8 U; |# z8 k
   mirPnt2(0) = 0: mirPnt2(1) = 0: mirPnt2(2) = 0
; D( ^- m  z/ k. w/ N" Q- H   
) D/ q& y6 C/ y7 Z; R( R8 `, e   
( v' ~& G+ O1 p% S6 M3 u   ! P9 f9 w* O! Z+ M; |9 [# ?, H' q
   Set poly_arc1 = poly_arc.Mirror(mirPnt1, mirPnt2)
2 O% g5 r2 I$ u2 Q   
9 T1 @' @4 Q6 x8 f8 J   
- ^& l4 Z- }- Y) Q# @- u8 q   Set arcfObj1 = arcfObj.Mirror(mirPnt1, mirPnt2)7 C3 q0 n% Q9 [, y! N" s
   
% O5 ^4 o9 I% S& ?   3 r6 E- b/ [3 d4 N& [) {9 T, t
   2 U6 Q- V6 Q$ L, J8 y
   
3 d; r3 t) s$ S% Y( W   Dim blkRefObj As AcadBlockReference$ A6 g5 Z( [9 v! @/ ?  u+ K! Q
   Dim insertPnt As Variant, E$ y5 n: R1 I1 p, M) o
   Dim rotangle As Double
/ u1 {  P3 f* f% M8 H, Z/ ~( U   Dim I As Integer
9 Z' H6 u* F2 R; k   
; b, B0 a) j- l' t( Z   ) ?1 C7 k+ a# ?: a, J0 v
   
3 a/ d( `1 {/ P+ n" f   insertPnt = ThisDrawing.Utility.GetPoint(, "选择插入点:")
& Z% H/ z" G* e' |   + r+ C/ G/ M! K7 e# V
   ! i; y' G! j- l# O/ G( v
   ! z. t0 J2 n' y* A' ~8 R8 |
   xscale = 1: yscale = 1: [: I3 j0 e# M) w* r- a
   - ]( I* \. C. d" K! E7 y
   * s1 N4 K; a0 S1 B# [7 t# X: U
   On Error Resume Next; z7 V8 {& {" _- {: s  i
   
( S: K0 o+ G/ o( i   
6 }% z* J1 @& g" \  D- a" Q; G# C   xscale = ThisDrawing.Utility.GetReal("选择X轴比例因子(默认为1):")
. g9 T( `) G% G6 V2 S. p   # H+ I- d1 @% K* A1 L! {( {
   yscale = ThisDrawing.Utility.GetReal("选择Y轴比例因子(默认为1):")
7 N0 M; u7 y# H- N9 P   ! B2 U: t% D& `) s& p4 W% B
   
' S  _1 v$ g4 B; {   
* n& _( ], Q7 E0 n/ i$ e   For I = 0 To zNumber - 1
) m) s- h3 ^: [" \  D& G   4 H: K  `0 e* ~. L0 h) K5 O$ \3 \
         rotangle = I * (360 / zNumber) * 3.1415926 / 180$ Y1 O  Y6 D2 R8 Z+ D8 @! _
         Set blockRefObj = ThisDrawing.ModelSpace.InsertBlock(insertPnt, blkName, xscale, yscale, 1#, rotangle)
5 H9 ^, z5 `% y9 s, X8 y         7 q1 v* n( J( E2 h+ a+ Q6 W& ^
         
0 C" a) d8 M3 A- }5 B3 W6 }    Next  ^8 [, Z5 b* X7 P3 ?5 D
    * X* x8 e  \0 ]4 N: @  a
   
& A# Y# E1 Y* R) }    # T& t5 b% z& p
    ThisDrawing.Regen acActiveViewport6 I4 h4 F/ ~; H  p4 n1 |
   
) T2 n. z6 U2 V  O2 Y   
* b+ X2 W4 m" L. X& i; `: Q    4 K2 w/ c1 w: M$ b6 f% x
   End Sub3 r% s  A! ~5 _! F. t
& h* A% s+ b8 @* q
: U: g: S" f; V5 j& T* L! ?6 ^1 a: v
Private Sub CommandButton2_Click()6 j  R3 B5 Q. ?7 J1 {0 s
4 [  d0 N7 B( T. k+ c& a
       Unload Me
6 v! [! s" Q4 q0 m  {  l7 _" yEnd Sub+ n: V1 J4 o. w- d* k7 b: t
3 f! S6 L/ j5 s" K# r
Private Sub UserForm_Initialize()0 u2 s, v9 p- ]* M2 W$ y6 ~0 y
    '默认时的参数值  ~# F! o+ d: ^6 y  K; K
       mNumber = 0
# p3 w: `0 m. K2 l       zNumber = 0
# @6 o: q( D0 G2 J5 \       aAngle = 20
5 M6 \# [1 E( h  y$ f6 g& t9 ]8 t1 x       ha = 1- l  Q/ t# a, C2 h* M/ |
       c = 0.25
. X6 z% {  N. e$ w; [2 p# m6 _       / g9 f: j: L8 ~9 O
      
7 e8 ~: b; m6 }- D       '添加压力角组合框的值
4 `, ^' ^- T- F+ Y9 p) n# f( x# H- t9 x      
9 ^, J( C2 w- m% h" {: P    UserForm1.ComboBox1.AddItem "20"
. ~# R* P. g7 i    UserForm1.ComboBox1.AddItem "15", E" {+ c% |8 p
    9 F) ~" r( V6 L) M$ K; n; c" @
   
6 M8 O$ o1 |! N* v+ u/ k       '添加顶高系数组合框的值5 n: z; C4 K" A* W4 J- U
   
. `  W9 s) M3 l    UserForm1.ComboBox2.AddItem "1.0"
  w# @5 Q* ~; X0 j* }( w    UserForm1.ComboBox2.AddItem "0.8"7 t2 ^  `4 }( N' x* G, H/ _
    * }# ^! ]4 ]4 C- Y0 h4 M
   
8 ?& T, V8 ^& {4 B. d6 S2 V6 s       '添加顶隙系数组合框的值: s1 O2 n2 P: p1 r& |
   
5 k8 h. O4 b. O    UserForm1.ComboBox3.AddItem "0.25"
6 b* c6 M' e- @1 i  w    UserForm1.ComboBox3.AddItem "0.3"
5 O: p5 E) g- f: A4 @2 [3 L: B. `" z   
% O+ w& Q, P' R  }  c        '设定组合框初始状态显示的值
1 \' x4 |9 i: V' p8 O. s- ^5 e    UserForm1.ComboBox1.Text = "20"
; ]  ^8 U, ^( j9 `8 G* D0 F    UserForm1.ComboBox2.Text = "1.0"& }" P% {: K2 \) K" f! z/ K7 d
    UserForm1.ComboBox3.Text = "0.25"
! _& i3 {+ h' ], W# u    9 G! B0 |) R  Q. P  c
   
. M* S- E/ }/ ?; C- Z. ~    UserForm1.TextBox1.SetFocus7 K6 L4 U* d; ?% D
   
' [, g" ~# R0 l: m1 z    & _- W7 l0 S: K" A2 C" K
    End Sub
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