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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
" `) G1 H# w+ s! H9 a7 uPublic Class Form1
1 Z  {& l! L9 b    Dim AcadApp As AutoCAD.AcadApplication
+ M! p5 K: x$ B4 K" `! v7 B3 z    Dim 刀具 As Object$ I1 L7 V  D1 e. j, P  `
    Dim Da, D0, D1, D2, D3, D4, n1, B, C As Double
& h, r3 d; m* |2 R3 ]    Dim Z, m, Af As Double5 Q* p5 j5 |) S! B$ H2 |4 r9 T
    Const Pi = 3.141592& N; j  [$ H6 d1 M# X0 D- l: d
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load- y7 S( J9 @) x9 N" a
        Me.Text = "齒輪結構參數化三維造型"
$ ]% _& P: u5 b5 Q& ?8 b, K        Me.GroupBox1.Text = ""0 J9 C; U% `$ q* r
        Me.Label1.Text = "齒數Z"
( |4 Y5 e" b7 ]' I- m4 R$ d# Z        Me.Label2.Text = "模數m"6 d: w' ^6 L: o5 [, k
        Me.Label3.Text = "壓力角Af"
* z! g9 V8 x9 @; ~        Me.Label4.Text = "軸徑D4"
* I4 F- z( C- ]5 p; z" `. E- Z6 c4 g1 C        Me.Label5.Text = "齒寬B"8 R" R3 @7 N0 g6 Z# I) I) m6 B
        Me.Label6.Text = "D0"
- _% S. s# o  L: n! K- B        Me.Label7.Text = "D3"
& m. n6 b( O! u4 a. C% l" \        Me.TextBox1.Text = 40
, C& q9 K' Z* z! Z! T        Me.TextBox2.Text = 6+ A5 {1 z* R; Y8 {0 |
        Me.TextBox3.Text = 20
- G% L6 s1 R" {# S        Me.TextBox4.Text = CInt(Val(Me.TextBox1.Text) * Val(Me.TextBox2.Text) * 0.3)
4 U; l1 b6 _: p$ L        D4 = Val(Me.TextBox4.Text)3 S( g/ I/ w+ c4 t6 S4 y
        Me.TextBox5.Text = CInt(1.2 * Val(Me.TextBox4.Text))
" h+ i  G! D  m" F2 z        Da = Val(Me.TextBox1.Text) * Val(Me.TextBox2.Text) + 2 * Val(Me.TextBox2.Text)( E) Q7 z6 }5 W$ H5 R% u+ F# ~
        Me.TextBox6.Text = Da - 12 * Val(Me.TextBox2.Text)9 ]% y8 i: U# \
        Me.TextBox7.Text = 1.6 * D4
% C# B1 }8 G  E3 ~8 k- H6 a        Me.CheckBox1.Text = "畫腹板孔"1 {2 y. @6 j# ~  d: z, j, g% \) w* ^
        Me.CheckBox1.Checked = True
+ S4 I% u) Y% s$ d9 Q2 p        Me.Button1.Text = "齒輪結構造型"
! a6 q1 S  `# ?% F1 b        Me.Button2.Text = "結束"
; g# z" V! d: y$ c5 _5 V2 L( Q    End Sub
: L. h9 ?, C  b6 e- v    Sub 連接AutoCAD()  M+ J! o; \& V9 J
        On Error Resume Next
8 a3 z$ Y: ?2 w" w: J$ T3 t2 j+ T        AcadApp = GetObject(, "AutoCAD.Application")8 i9 j" M9 b1 T  R
        If Err.Number Then6 q4 h# w; P) R& q) q+ G- Q
            Err.Clear()4 U+ B# _1 B% s3 C
            AcadApp = CreateObject("AutoCAD.Application")* l5 a" H# g) `8 l& w
            If Err.Number Then
5 R. X7 |" O& r# E5 `$ ~) p  a& q                MsgBox("不能運行AutoCAD，請檢查是否安裝了AutoCAD")+ K0 `+ g, n- v2 M- Q' O5 R" t. B
                Exit Sub" u  T: N, P( d0 V; z3 p
            End If# T7 I7 ?! N, ~7 Z
        End If
$ H) X! a) Q0 f6 O        AcadApp.Visible = True '界面可視
' c7 g8 S6 U  Y/ I# _        AcadApp.WindowState = AutoCAD.AcWindowState.acMax '界面最大化. ~5 a2 x3 A' ]6 a: K" l' U% V
        AppActivate(AcadApp.Caption) '顯示AutoCAD界面
& }7 _: }, u8 l; n  d6 L, U% b    End Sub, t* }3 F6 s; l) u; p; b4 M2 W
    Sub 齒輪刀具()
7 Q3 A7 o/ m0 u) q) z" a) |        Dim R, Rf, Rb, Ra As Single
1 }8 U7 M  c1 y; m; f" [! i- [& N        R = m * Z / 2
) Y+ Y( w$ W0 j6 H        Rf = (R - 1.25 * m)3 Q' S% N+ A; Z4 O3 S% T: J  @
        Rb = R * Cos(Af)
" r% b8 ]  e3 x+ c0 X2 X        Ra = R + m
& @- A/ X: Z7 M1 }- m9 s4 E        Dim Sb, th(3)9 }' G. d0 J  R& R
        Sb = Cos(Af) * (3.14 * m / 2 + m * Z * (Tan(Af) - (Af)))
/ a  J/ t2 @$ E; n- M& g  Q) h        th(1) = (3.14 * m * Cos(Af) - Sb) / (2 * Rb)
" l- n7 X7 l8 m. k; R; M        th(0) = th(1) / 3; N1 j) B2 |( f- e6 Q
        th(2) = th(1) + Tan(Af) - Af1 K, O! y. W7 p! {
        th(3) = th(1) + Tan(Acos(Rb / Ra)) - Acos(Rb / Ra)4 _! W9 F& F' e% ]1 ]+ D
        Dim curves(5) As AutoCAD.AcadEntity
+ W' {7 w; x8 |        Dim points0(5) As Double
7 R0 o) s5 S7 k; J6 E# o        Dim points1(8) As Double* c$ j' c$ @  N( ]0 a/ G: B3 `& ]
        Dim points2(5) As Double, ~) Y, E# @) g3 n
        points0(0) = 0 : points0(1) = Rf
( c/ y! g) N  g% b( d$ A8 F" \        points0(2) = Rf * Sin(th(0)) : points0(3) = Rf * Cos(th(0))2 z$ o4 O( k2 r% ^$ P
        points0(4) = Rb * Sin(th(1)) : points0(5) = Rb * Cos(th(1))6 \8 w- ]4 A( d
        Dim startTan(2) As Double, U- @4 N3 C6 `" U; j
        Dim endTan(2) As Double
0 y9 M# H* w9 D- Z8 M; A        startTan(0) = 0 : startTan(1) = 0 : startTan(2) = 01 L* ]' S/ E5 K2 {* Q: O
        endTan(0) = 0.5 : endTan(1) = 0.5 : endTan(2) = 05 }  L* E* `/ n- U" K. z" g" f+ ^
        points1(0) = points0(4) : points1(1) = points0(5) : points1(2) = 0  m- o. I* x+ X! \: [$ h! R& _# n
        points1(3) = R * Sin(th(2)) : points1(4) = R * Cos(th(2)) : points1(5) = 0" @  ]9 @( T1 `- N, @: R
        points1(6) = Ra * Sin(th(3)) : points1(7) = Ra * Cos(th(3)) : points1(8) = 0
. x& q2 n" U# ?, `3 C, w* m        points2(0) = points1(6) : points2(1) = points1(7)
: x  G7 y3 _: |- W        points2(2) = points1(6) : points2(3) = points1(7) + 2.25 * m
1 \0 ^0 @2 k, o* [% B: L        points2(4) = 0 : points2(5) = points2(3)
/ z: y" z* w8 O9 P        If Rb < Rf Then
# y  p7 y5 x% C            points0(2) = points1(3) * 0.2 : points0(3) = points0(1) + 0.25 * m * 0.03
! ]# ^6 V7 t7 t6 B. K+ P6 S7 f            points0(4) = points1(3) * 0.7 : points0(5) = points0(1) + 0.25 * m * 0.84 Q+ E: o% c7 Y& V0 f
            points1(0) = points0(4) : points1(1) = points0(5) : points1(2) = 0
; R/ _, q' L/ [        End If' m% \8 x: I$ ~5 {6 T/ C, T: D
        curves(0) = AcadApp.ActiveDocument.ModelSpace.AddLightWeightPolyline(points0)' Y2 ~4 O" U* v# f
        curves(0).SetBulge(1, 0.2)
5 ^& s! e1 F; A        curves(1) = AcadApp.ActiveDocument.ModelSpace.AddSpline(points1, startTan, endTan)" e/ ~  Q7 y  J1 t
        curves(2) = AcadApp.ActiveDocument.ModelSpace.AddLightWeightPolyline(points2)
. E8 W" a8 j1 {0 n1 ~  q        Dim point1(2) As Double! d: E; }' R4 f8 |+ z
        Dim point2(2) As Double
; T5 q) l$ j0 U& a5 r        point1(0) = 0 : point1(1) = 0 : point1(2) = 0
9 h1 k0 ~$ p7 O& G' n        point2(0) = 0 : point2(1) = 1 : point2(2) = 0
7 n$ b2 t$ E  L# z/ c4 |        curves(3) = curves(2).Mirror(point1, point2)
# G* i7 I; e, P. J        curves(4) = curves(1).Mirror(point1, point2). s% }# _  N" ~" _4 k! c
        curves(5) = curves(0).Mirror(point1, point2)
$ f/ c3 ~7 Q* D6 |. j+ e        刀具 = AcadApp.ActiveDocument.ModelSpace.AddRegion(curves)9 X* s3 ]9 T/ ~% c* P1 R9 O; c
        Dim taperAngle As Double
! T7 l. o. N  c        taperAngle = 0
! a" C4 S. n1 K: q$ ^" y# D) y  t& u5 d        Dim solidObj As AutoCAD.Acad3DSolid
0 u' P0 ~" w& P& ~8 S# @        solidObj = AcadApp.ActiveDocument.ModelSpace.AddExtrudedSolid(刀具(0), B * 1.1, taperAngle)
0 r+ t7 Z2 ^* ]- F2 b- M        Dim center(2) As Double  s1 t$ L3 a  M+ R: J) o
        center(0) = 0 : center(1) = solidObj.Centroid(1) : center(2) = 0
  n6 L2 B9 L% y1 \. o        solidObj.Move(solidObj.Centroid, center)& B  `+ D% r" K: b; w
        Dim basePnt(2) As Double/ m. \! m9 Y' ^* N! {1 @
        basePnt(0) = 0 : basePnt(1) = 0 : basePnt(2) = 0.0#
0 p( H4 K! D& i7 S, ^3 r& K        刀具 = solidObj.ArrayPolar(Z + 1, 2 * Pi, basePnt)
7 S; P! [$ s2 H( ]$ v, l    End Sub
$ s) Q- }; n2 K6 D# }$ w4 \# J, M5 ^    Private Sub TextBox1_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.TextChanged, TextBox2.TextChanged% j" g) C+ D3 m5 F  f
        Me.TextBox4.Text = CInt(Val(Me.TextBox1.Text) * Val(Me.TextBox2.Text) * 0.3)& C* S  A; Y# Z& f9 ^
        D4 = Val(Me.TextBox4.Text)
1 b; t- ]9 |& T  Y5 s8 ~. R$ _        Me.TextBox5.Text = CInt(1.2 * Val(Me.TextBox4.Text))
& z0 g# p) G2 J% @        Da = Val(Me.TextBox1.Text) * Val(Me.TextBox2.Text) + 2 * Val(Me.TextBox2.Text)
( |. L$ {+ ^; D. j+ }. x        Me.TextBox6.Text = Da - 12 * Val(Me.TextBox2.Text): L* g: F6 K6 B( Y0 r
        Me.TextBox7.Text = 1.6 * D4
* T1 J( K5 Z0 ^' S5 l5 O8 a    End Sub# A1 i$ X) i/ {/ D, A5 `
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click( k0 z! N" ], i5 Q
        Call 連接AutoCAD(), ]; M# v6 V( j+ ?/ o3 R- l1 [
        Dim entry As AutoCAD.AcadEntity( g+ `, g# O9 s2 Y
        For Each entry In AcadApp.ActiveDocument.ModelSpace$ g! x  o, a2 g9 e) H. d( W
            entry.Delete()/ ]; B$ J9 d5 D- a) L
1 _( y9 y7 j: g, Y5 Y' ]+ Q




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