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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, e# t4 }% J0 a9 T/ S* T* {
Public Class Form1
: R/ m4 U7 Q( C" p    Dim AcadApp As AutoCAD.AcadApplication# u$ m6 _  G8 M
    Dim 刀具 As Object
) a" f' Y9 Y: a: ]! T1 ^: J" D    Dim Da, D0, D1, D2, D3, D4, n1, B, C As Double$ H- Y* w& s8 o. W
    Dim Z, m, Af As Double
( ^3 o; M4 H" q8 z9 t$ d, z    Const Pi = 3.141592+ X7 Q! v8 e9 \; _2 C
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
" O( m9 m, S% F' r        Me.Text = "齒輪結構參數化三維造型"
. N1 o4 T( s9 T6 n0 Z* e, X1 F! A5 n  K        Me.GroupBox1.Text = """ u' ?- N6 T. d( r8 p4 S0 v
        Me.Label1.Text = "齒數Z") q4 E  g# M4 _, i" T( x7 O* U. f
        Me.Label2.Text = "模數m"$ C. z; s7 f& q) Q* @2 j1 I+ j
        Me.Label3.Text = "壓力角Af"
. n: s6 q1 H4 t0 E        Me.Label4.Text = "軸徑D4"
5 w) R* `3 y* i# ~  E        Me.Label5.Text = "齒寬B"
' X9 A& `1 ?3 Y9 H3 j& N" B% N  V5 x        Me.Label6.Text = "D0"+ J  X/ G( O6 j# ~8 d; @) |
        Me.Label7.Text = "D3"- f% ^4 p' Z; R4 P  P
        Me.TextBox1.Text = 40
/ l! U6 A- p" A5 |/ E6 y        Me.TextBox2.Text = 60 a7 |1 O. N% ^6 P' `
        Me.TextBox3.Text = 20- q3 v- \0 ^$ Y( k3 D
        Me.TextBox4.Text = CInt(Val(Me.TextBox1.Text) * Val(Me.TextBox2.Text) * 0.3)8 p+ T. q% L( i6 {+ Y0 W% w
        D4 = Val(Me.TextBox4.Text), h  e; |  l6 b& s9 H1 ]7 r) t
        Me.TextBox5.Text = CInt(1.2 * Val(Me.TextBox4.Text))* a, w" ^7 X6 m' ^2 W. }5 K
        Da = Val(Me.TextBox1.Text) * Val(Me.TextBox2.Text) + 2 * Val(Me.TextBox2.Text)7 X$ s& n6 D4 K- D( u! o0 B: Y
        Me.TextBox6.Text = Da - 12 * Val(Me.TextBox2.Text)# D& T/ [1 @3 W
        Me.TextBox7.Text = 1.6 * D4
/ P8 \& o, l2 H) [5 ~        Me.CheckBox1.Text = "畫腹板孔"  N4 `& E7 E/ J' h( Q
        Me.CheckBox1.Checked = True
- n$ Z6 ~( Q. R, r' d* E8 y* M+ `        Me.Button1.Text = "齒輪結構造型") l4 w, W' ]6 V0 [
        Me.Button2.Text = "結束"
1 B6 V0 k8 Y$ O' ]7 C    End Sub
' a4 X& X: q: w  y" S; Y3 W    Sub 連接AutoCAD()0 q' s% e. z- e$ _7 }4 b# G7 `1 g
        On Error Resume Next3 v  ]$ g2 {8 J: {( {" f
        AcadApp = GetObject(, "AutoCAD.Application")
+ Y: o4 L% c4 x* e- h' q& g% X        If Err.Number Then) U8 |- l$ ?* W! M3 C) y
            Err.Clear()
$ q% d+ u$ b  {( `0 [            AcadApp = CreateObject("AutoCAD.Application")# m, `5 K" Y( S# _' G1 m: ~3 \
            If Err.Number Then
0 E  S1 D0 v/ x$ M4 i) X+ r                MsgBox("不能運行AutoCAD，請檢查是否安裝了AutoCAD")
2 J. X. D6 r3 F1 M, Q- e: R                Exit Sub
9 S- I/ p0 Y; R" Z            End If3 i: X: w) J) ]4 O% ?
        End If  k$ c% [7 A0 Q0 \: q
        AcadApp.Visible = True '界面可視% `/ p  j0 j( `9 K
        AcadApp.WindowState = AutoCAD.AcWindowState.acMax '界面最大化
5 _) g; b, r% F        AppActivate(AcadApp.Caption) '顯示AutoCAD界面9 k: [/ m- ~; w2 `/ o- I, E" P
    End Sub
) O6 E' G0 `* t- v0 v" o* t    Sub 齒輪刀具()
4 W; b8 E$ ]8 }' j0 H! u9 [( o        Dim R, Rf, Rb, Ra As Single$ h; n4 l. G! i! l) z' r5 s7 L
        R = m * Z / 2
1 c6 S% d( x3 j7 Y& E        Rf = (R - 1.25 * m)
/ u- b$ {+ A5 _9 L# l" S- ?        Rb = R * Cos(Af)
! p# k5 `3 i) Y% B        Ra = R + m0 [- I% f% m9 r
        Dim Sb, th(3)
/ u' {, N; u% @9 `7 n7 P  j5 e        Sb = Cos(Af) * (3.14 * m / 2 + m * Z * (Tan(Af) - (Af)))
8 I3 `# S& `3 b  \1 b: e        th(1) = (3.14 * m * Cos(Af) - Sb) / (2 * Rb)& \8 q5 H2 _& z" i0 \
        th(0) = th(1) / 3+ a0 Y4 }4 d* K0 [1 B1 a* a
        th(2) = th(1) + Tan(Af) - Af
. q0 U' O% m1 Q        th(3) = th(1) + Tan(Acos(Rb / Ra)) - Acos(Rb / Ra)
( |2 l+ k: }9 Q# G9 l" x        Dim curves(5) As AutoCAD.AcadEntity! P" _) N, G8 p7 x
        Dim points0(5) As Double! E2 o, U, R1 m8 B" }$ p; r8 g
        Dim points1(8) As Double, u5 q+ k' s+ M" R
        Dim points2(5) As Double
/ R, E) G4 E! h' p& w        points0(0) = 0 : points0(1) = Rf
7 c  I( F8 F9 z4 X3 W% g        points0(2) = Rf * Sin(th(0)) : points0(3) = Rf * Cos(th(0))
2 _- u9 J; `( W+ @6 Y        points0(4) = Rb * Sin(th(1)) : points0(5) = Rb * Cos(th(1))- @% z; x$ L) U0 H: R2 i4 F4 q( b8 P% {
        Dim startTan(2) As Double
4 H+ h3 N# o+ P4 M        Dim endTan(2) As Double
0 D- l: z+ U( X' q        startTan(0) = 0 : startTan(1) = 0 : startTan(2) = 0/ y$ M) I+ G. [4 p& n
        endTan(0) = 0.5 : endTan(1) = 0.5 : endTan(2) = 0
) B2 H& p" h) v5 H, |& t        points1(0) = points0(4) : points1(1) = points0(5) : points1(2) = 06 y% O9 B+ n% W- b9 `1 u+ Z
        points1(3) = R * Sin(th(2)) : points1(4) = R * Cos(th(2)) : points1(5) = 0
" R* d; L  T8 C        points1(6) = Ra * Sin(th(3)) : points1(7) = Ra * Cos(th(3)) : points1(8) = 06 i- a& I( L% s7 h8 q
        points2(0) = points1(6) : points2(1) = points1(7)
; c+ M% l! @; X1 X        points2(2) = points1(6) : points2(3) = points1(7) + 2.25 * m
; k! g: a  u. H5 B2 \8 f$ c        points2(4) = 0 : points2(5) = points2(3)% m7 Y! ?9 r2 ?* Y) F2 d
        If Rb < Rf Then9 e0 W$ w* u) Y, L8 \' }9 t4 D( E+ a
            points0(2) = points1(3) * 0.2 : points0(3) = points0(1) + 0.25 * m * 0.03; U: S8 C4 Z7 D$ C$ A
            points0(4) = points1(3) * 0.7 : points0(5) = points0(1) + 0.25 * m * 0.8  S" L: @9 G5 I/ s! O- {8 D1 _
            points1(0) = points0(4) : points1(1) = points0(5) : points1(2) = 0
: C. H$ ^& o* A! K        End If
( ~7 W% T4 L; r* G        curves(0) = AcadApp.ActiveDocument.ModelSpace.AddLightWeightPolyline(points0)
2 U5 p* ]5 n1 Y# ?$ f0 y( T        curves(0).SetBulge(1, 0.2)' ~. n; z& [# ]7 k" e+ R
        curves(1) = AcadApp.ActiveDocument.ModelSpace.AddSpline(points1, startTan, endTan)/ ?, Z4 p, N# e: \9 a' y
        curves(2) = AcadApp.ActiveDocument.ModelSpace.AddLightWeightPolyline(points2)
7 s- v( k. U+ R  n5 Q        Dim point1(2) As Double2 `; ]1 w. }7 g3 u& w
        Dim point2(2) As Double: o# v% V5 J: J, S1 Y7 e
        point1(0) = 0 : point1(1) = 0 : point1(2) = 07 e8 q5 `. X( }& [' w7 n
        point2(0) = 0 : point2(1) = 1 : point2(2) = 0
1 f( [6 g- h2 j" {' C8 ]! X/ n        curves(3) = curves(2).Mirror(point1, point2)
+ H0 R! z! g3 m3 U8 z3 \        curves(4) = curves(1).Mirror(point1, point2)! @' ?8 E' G) K& q
        curves(5) = curves(0).Mirror(point1, point2)
( d6 g8 C$ p; }( }. o3 c5 ?        刀具 = AcadApp.ActiveDocument.ModelSpace.AddRegion(curves)$ O* ]0 S; o! W+ t, O# f
        Dim taperAngle As Double; g; L: P# A' Z8 ?, M0 ]( ]
        taperAngle = 06 d5 d; N0 y# z- c) Z; o% ]
        Dim solidObj As AutoCAD.Acad3DSolid0 Q& B4 \: ]- X9 j2 Z
        solidObj = AcadApp.ActiveDocument.ModelSpace.AddExtrudedSolid(刀具(0), B * 1.1, taperAngle)
- Z! U6 l8 V: M" e        Dim center(2) As Double3 J$ R! g. d' H# s
        center(0) = 0 : center(1) = solidObj.Centroid(1) : center(2) = 0
! i) W* E: c3 x7 P$ z" o        solidObj.Move(solidObj.Centroid, center)6 L" J) o' ]: ^& B. ~
        Dim basePnt(2) As Double
- z8 F4 w4 ]6 }        basePnt(0) = 0 : basePnt(1) = 0 : basePnt(2) = 0.0#4 S5 L2 k# I6 Y6 W5 O
        刀具 = solidObj.ArrayPolar(Z + 1, 2 * Pi, basePnt)7 j' k/ ]4 a% }1 }
    End Sub1 p9 I3 W$ ~8 x4 x2 ?
    Private Sub TextBox1_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.TextChanged, TextBox2.TextChanged
6 t3 z5 U+ I8 E* H        Me.TextBox4.Text = CInt(Val(Me.TextBox1.Text) * Val(Me.TextBox2.Text) * 0.3)
" r9 J+ n6 U% U9 O. R        D4 = Val(Me.TextBox4.Text)
* m: ]% ^  K+ [/ {& S! U        Me.TextBox5.Text = CInt(1.2 * Val(Me.TextBox4.Text))$ `1 V$ @9 w8 U6 P4 @" n9 v
        Da = Val(Me.TextBox1.Text) * Val(Me.TextBox2.Text) + 2 * Val(Me.TextBox2.Text)  C/ b  t# g5 z7 a. k2 Y
        Me.TextBox6.Text = Da - 12 * Val(Me.TextBox2.Text)
: k! O& m7 T# R1 p! g* f! j% y        Me.TextBox7.Text = 1.6 * D4
" k! U8 b1 @, V    End Sub% f  b( w, [7 ~1 s) {1 V9 w" o
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click5 p6 K& A9 a+ _8 Q; f# x( @
        Call 連接AutoCAD()
2 l3 }  |; i; I2 N        Dim entry As AutoCAD.AcadEntity
( j) O# ~2 J: L* E, i7 j! ]: p  y        For Each entry In AcadApp.ActiveDocument.ModelSpace
& u: O* ?( y5 Y/ a' i0 R            entry.Delete(): q0 V  ^& ]$ o- ]5 |4 g9 I$ F
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