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標題: 基于autocad的齒輪參數化源程序 [打印本頁]
作者: 圣歌    時間: 2011-5-25 11:34
標題: 基于autocad的齒輪參數化源程序
Imports System.Math
- l/ N7 T  j) x$ ]: T8 G# f6 ?Public Class Form1
& \: H9 J) p8 N# @8 L7 {    Dim AcadApp As AutoCAD.AcadApplication3 A5 ?" {- O. u/ a6 T- L# Y7 l
    Dim 刀具 As Object
" \7 Z- C$ c% A+ |$ u/ w6 ~    Dim Da, D0, D1, D2, D3, D4, n1, B, C As Double
5 H# g% o: @5 _    Dim Z, m, Af As Double
" o2 h6 @! t$ Y    Const Pi = 3.141592
/ d* x- J% n: }    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
6 |8 y7 w+ B0 N8 ^        Me.Text = "齒輪結構參數化三維造型"
  U1 B2 g' E4 V        Me.GroupBox1.Text = ""
  }5 s1 w  u& a% o+ h' k        Me.Label1.Text = "齒數Z"
$ [3 B& C/ @. s; e0 n        Me.Label2.Text = "模數m", g$ Y) n- g% C: [* J9 S/ D$ S3 B
        Me.Label3.Text = "壓力角Af"
! a: g/ N; [- m9 o7 h, d/ N        Me.Label4.Text = "軸徑D4"
9 p0 l9 t5 H" q* T. @+ K        Me.Label5.Text = "齒寬B"
' ~6 [" _3 J1 I1 |+ @* c4 S/ R        Me.Label6.Text = "D0"6 _8 c4 o+ e, c0 V/ V2 j
        Me.Label7.Text = "D3"
* p% f! Y' T+ t' t  f+ I: T$ W        Me.TextBox1.Text = 400 ]5 i# }2 l- w  L
        Me.TextBox2.Text = 6
7 w; c$ Y' b1 u  z+ a        Me.TextBox3.Text = 20  z; _5 i7 a+ I' J
        Me.TextBox4.Text = CInt(Val(Me.TextBox1.Text) * Val(Me.TextBox2.Text) * 0.3)3 i' A1 w' ^, q0 P
        D4 = Val(Me.TextBox4.Text)
! r8 Y" D% Z" u' [# b6 P        Me.TextBox5.Text = CInt(1.2 * Val(Me.TextBox4.Text))3 z4 P9 p8 H. _" g! X- X- I, ~) m) d5 U
        Da = Val(Me.TextBox1.Text) * Val(Me.TextBox2.Text) + 2 * Val(Me.TextBox2.Text)
9 b" F" ~/ s9 g0 p- A5 |) m! u        Me.TextBox6.Text = Da - 12 * Val(Me.TextBox2.Text)
% @# s9 U% g4 B* |( Z        Me.TextBox7.Text = 1.6 * D4; k- r4 G3 O8 i( x1 W
        Me.CheckBox1.Text = "畫腹板孔"
( d5 @/ X, e+ P$ N* A        Me.CheckBox1.Checked = True
- n3 G& `; s: W0 n% q4 O) v5 y        Me.Button1.Text = "齒輪結構造型", Y1 K! q# q  l
        Me.Button2.Text = "結束"3 g. l- L1 |, F5 W' Y
    End Sub& ]0 R3 t( |( V+ N
    Sub 連接AutoCAD()8 t( W8 \3 i8 P9 |* k2 \3 S
        On Error Resume Next' X% ~* \! @0 i) F/ [3 f- c5 z( q
        AcadApp = GetObject(, "AutoCAD.Application")2 x" A$ b$ \/ O7 u! m; l' \
        If Err.Number Then
7 ^0 y3 [% u5 A4 L9 O# V5 X  C            Err.Clear()
* e4 z) E! ^- ?3 }3 w7 n            AcadApp = CreateObject("AutoCAD.Application")/ E7 {; d" O- w) ]1 X* g
            If Err.Number Then$ H# @2 ]- Q/ F" |! y
                MsgBox("不能運行AutoCAD，請檢查是否安裝了AutoCAD")
6 F  }" X; X8 e7 [                Exit Sub! @3 v1 G' Y, Y& Y) s" @
            End If2 M% T6 k! Q& f6 j0 ~0 v( T# p
        End If! [7 e& k( Q( y% u: s3 Z. o
        AcadApp.Visible = True '界面可視8 U' e; t- q% Y/ p8 ^4 @
        AcadApp.WindowState = AutoCAD.AcWindowState.acMax '界面最大化% f& C  A0 d0 J8 E6 a3 ^6 |
        AppActivate(AcadApp.Caption) '顯示AutoCAD界面! }# [# O7 R8 Y1 D
    End Sub/ ]" y9 v2 c5 B- `& R: L
    Sub 齒輪刀具()
% U. n* m3 e7 b6 D( `        Dim R, Rf, Rb, Ra As Single% f9 Z8 K$ `6 ?- Y
        R = m * Z / 2* X' V4 L1 O8 P- Z& p; s
        Rf = (R - 1.25 * m)9 R/ _/ u! o/ Z2 Q$ W. |5 V/ z
        Rb = R * Cos(Af)
2 V# m4 s2 y3 a, E& w5 `# M        Ra = R + m( x/ `0 j3 l8 R1 d# E: O
        Dim Sb, th(3)
* W$ Y0 P  W7 w" s' a/ f1 B        Sb = Cos(Af) * (3.14 * m / 2 + m * Z * (Tan(Af) - (Af)))
( v8 @% X5 S( p5 I6 {        th(1) = (3.14 * m * Cos(Af) - Sb) / (2 * Rb): C# W0 O7 U, d# N5 p
        th(0) = th(1) / 3
. |- u( d: l% P( I. J4 L        th(2) = th(1) + Tan(Af) - Af
6 i" x! @9 h# X+ n3 {7 q        th(3) = th(1) + Tan(Acos(Rb / Ra)) - Acos(Rb / Ra)
9 z: x& o! _/ v2 E        Dim curves(5) As AutoCAD.AcadEntity! e$ v; y! l) m' c0 O
        Dim points0(5) As Double. K3 [: _" |' a+ A" F
        Dim points1(8) As Double4 N* y. x9 Y7 U9 k. B2 H' s
        Dim points2(5) As Double
3 d& U" _4 @7 n9 e# e        points0(0) = 0 : points0(1) = Rf. |1 d0 I" y% Y, [
        points0(2) = Rf * Sin(th(0)) : points0(3) = Rf * Cos(th(0))
4 Q- Z! h% b: H/ E) _! X        points0(4) = Rb * Sin(th(1)) : points0(5) = Rb * Cos(th(1))6 Y. V2 v: f' z- q) g+ g6 {
        Dim startTan(2) As Double! f3 e, V2 q. c# w. q
        Dim endTan(2) As Double( r0 t: D* k0 L& @: |! S; {1 q3 X9 J- F
        startTan(0) = 0 : startTan(1) = 0 : startTan(2) = 0
5 R& V/ F( s' ]. }  [3 V        endTan(0) = 0.5 : endTan(1) = 0.5 : endTan(2) = 0) U' H+ n0 b* B; r7 t
        points1(0) = points0(4) : points1(1) = points0(5) : points1(2) = 0
# K7 h" U0 V+ A8 w- o1 Y/ ^. C        points1(3) = R * Sin(th(2)) : points1(4) = R * Cos(th(2)) : points1(5) = 0
% z* B$ E5 O; W) N/ M) ]        points1(6) = Ra * Sin(th(3)) : points1(7) = Ra * Cos(th(3)) : points1(8) = 0
% |7 x* `; Z' v* U# t& ^/ ^; q/ [        points2(0) = points1(6) : points2(1) = points1(7)
1 r4 ?, m, O" z6 L6 ]$ T        points2(2) = points1(6) : points2(3) = points1(7) + 2.25 * m) w" ^0 i8 x3 h7 M* s3 j; w
        points2(4) = 0 : points2(5) = points2(3)
) n( {0 P" S( o/ B$ w6 X! J9 `        If Rb < Rf Then9 p. N, P3 g, o% V# C: G
            points0(2) = points1(3) * 0.2 : points0(3) = points0(1) + 0.25 * m * 0.03) v* {& w- f( T) O
            points0(4) = points1(3) * 0.7 : points0(5) = points0(1) + 0.25 * m * 0.8" k7 L' i6 x  I: _' c
            points1(0) = points0(4) : points1(1) = points0(5) : points1(2) = 0
9 E% X" ~! S1 U$ d        End If
; B8 i# m4 y% b6 A$ Y9 Q1 P; I        curves(0) = AcadApp.ActiveDocument.ModelSpace.AddLightWeightPolyline(points0)
6 r/ {" k3 k# H' c7 k# A        curves(0).SetBulge(1, 0.2)
: ?* f, `' T, c* O* m        curves(1) = AcadApp.ActiveDocument.ModelSpace.AddSpline(points1, startTan, endTan)5 D3 u: g- R+ m+ D3 K+ b  L
        curves(2) = AcadApp.ActiveDocument.ModelSpace.AddLightWeightPolyline(points2)
# W7 D' n2 ?+ e  q        Dim point1(2) As Double
" c4 \1 ?  o1 n% {! t        Dim point2(2) As Double
$ ~# i! P; [$ L& t6 }& {- D  M! t        point1(0) = 0 : point1(1) = 0 : point1(2) = 0
8 {% t0 G! W( ?# p( F9 u, |        point2(0) = 0 : point2(1) = 1 : point2(2) = 0! T  s4 ~/ r* w+ y8 r. [
        curves(3) = curves(2).Mirror(point1, point2)
* T3 ^& Y$ u, C  K( a3 n        curves(4) = curves(1).Mirror(point1, point2)" h& O1 G* P3 E. r% N5 M7 G
        curves(5) = curves(0).Mirror(point1, point2)
. L7 g" d, X/ B9 E1 s" A9 C! a        刀具 = AcadApp.ActiveDocument.ModelSpace.AddRegion(curves)# z! I3 v5 K, _  g) C2 v
        Dim taperAngle As Double
" X: R# A9 t( y& Z& m        taperAngle = 06 i2 R# v( }* h; q7 G; ~1 Q
        Dim solidObj As AutoCAD.Acad3DSolid+ ~  H1 p" `: a4 k8 Z: g3 Q. g
        solidObj = AcadApp.ActiveDocument.ModelSpace.AddExtrudedSolid(刀具(0), B * 1.1, taperAngle)
+ G. L6 u* T! G: {7 T- L& ~" m        Dim center(2) As Double
3 j8 d& Q8 t' H7 ]) A        center(0) = 0 : center(1) = solidObj.Centroid(1) : center(2) = 0: g& D8 a, t; C6 u* \
        solidObj.Move(solidObj.Centroid, center)
3 a5 h" C$ J& m( b( V5 f        Dim basePnt(2) As Double: b: n6 W5 m. [- R8 B, I. ]
        basePnt(0) = 0 : basePnt(1) = 0 : basePnt(2) = 0.0#
3 w: s3 H: _6 q2 Q: B  U        刀具 = solidObj.ArrayPolar(Z + 1, 2 * Pi, basePnt)6 \) k2 }  \' f6 H; @3 T- D  F! F5 }
    End Sub4 O2 b( `4 I$ U! T
    Private Sub TextBox1_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.TextChanged, TextBox2.TextChanged5 m- ]/ x0 M1 I+ x
        Me.TextBox4.Text = CInt(Val(Me.TextBox1.Text) * Val(Me.TextBox2.Text) * 0.3)
9 `" S5 F$ X* u" A0 c. x( h7 [        D4 = Val(Me.TextBox4.Text)
6 k" A9 j+ H5 d9 O: A        Me.TextBox5.Text = CInt(1.2 * Val(Me.TextBox4.Text))
1 `2 g$ p8 n- D        Da = Val(Me.TextBox1.Text) * Val(Me.TextBox2.Text) + 2 * Val(Me.TextBox2.Text)* g6 U& c% l9 D  r$ b7 B& e( X
        Me.TextBox6.Text = Da - 12 * Val(Me.TextBox2.Text)
6 ?0 I2 E+ H6 W% ?' b) I+ e0 c        Me.TextBox7.Text = 1.6 * D4
* v) k3 ]" N  |% `8 m6 l    End Sub2 k5 a& p2 }  h5 O8 B$ o
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click( i  N8 C5 s0 F! ?8 a, a$ r7 b% ?
        Call 連接AutoCAD()4 K$ n5 o8 q6 S$ ]2 p; K' t
        Dim entry As AutoCAD.AcadEntity+ B" s3 ?8 L; W  m
        For Each entry In AcadApp.ActiveDocument.ModelSpace
# w+ h, v$ Y1 r            entry.Delete()) a5 g: d/ ^9 O+ ]8 Q) }% S

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