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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.Math2 J$ v" G( w, S5 u' A3 K& q
Public Class Form1% I9 a5 n! ^: a8 _/ k
    Dim AcadApp As AutoCAD.AcadApplication
( W  f  [  D, }% O2 X    Dim 刀具 As Object
0 A8 [7 d' q7 w. I    Dim Da, D0, D1, D2, D3, D4, n1, B, C As Double
! H# o6 V2 ]" B( L/ t. \% y4 P0 H' C    Dim Z, m, Af As Double) s" H* ~8 ?+ f& i- n" q2 x
    Const Pi = 3.141592* L$ B6 @1 V; h# w  y
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load6 v" f; f( B2 s
        Me.Text = "齒輪結構參數化三維造型"- V* j' _4 \8 H5 q
        Me.GroupBox1.Text = "": h  t, v- f( s) l( d
        Me.Label1.Text = "齒數Z"
! ]: ^; u# [+ W8 K8 n8 n% p        Me.Label2.Text = "模數m"
, P% B) X& \6 M2 K" y2 E. U        Me.Label3.Text = "壓力角Af"4 n0 l  n5 j2 {& M
        Me.Label4.Text = "軸徑D4"7 {" \1 ~# ^/ X  `) V7 o
        Me.Label5.Text = "齒寬B"- H+ E& p* {: O5 |5 m
        Me.Label6.Text = "D0"4 j3 k( z; C1 M( A5 \( k3 n
        Me.Label7.Text = "D3"
/ ^2 m4 o# c0 g3 R$ Z% v4 ^4 Q        Me.TextBox1.Text = 40
; f  z1 \8 E; U: `        Me.TextBox2.Text = 65 }! y9 H+ B9 E& U: L: q1 j, x$ J
        Me.TextBox3.Text = 20# Z  {" ?3 t# \' s  S
        Me.TextBox4.Text = CInt(Val(Me.TextBox1.Text) * Val(Me.TextBox2.Text) * 0.3)
1 [0 _& S) L9 y) `1 Y% c. B        D4 = Val(Me.TextBox4.Text)
8 k; t3 o6 `6 G        Me.TextBox5.Text = CInt(1.2 * Val(Me.TextBox4.Text))4 `& S$ ?" @2 ]8 V0 _7 J
        Da = Val(Me.TextBox1.Text) * Val(Me.TextBox2.Text) + 2 * Val(Me.TextBox2.Text)
( n" Z! ]8 V& p+ D  z        Me.TextBox6.Text = Da - 12 * Val(Me.TextBox2.Text)
- f  h. G' u8 A+ B/ ]4 y& l( c        Me.TextBox7.Text = 1.6 * D4" E7 s) y) v8 t& a% I
        Me.CheckBox1.Text = "畫腹板孔"9 P' W9 ^  _8 F+ ?+ M4 g% Y6 I$ M
        Me.CheckBox1.Checked = True
2 c- ?- e( p6 F7 y5 E1 I; ^9 N        Me.Button1.Text = "齒輪結構造型"/ I: F, \+ P$ i) {2 `; f' Z' }
        Me.Button2.Text = "結束"# h% R6 O6 @$ {3 Z7 f
    End Sub0 X0 }! O* q: R# a( G
    Sub 連接AutoCAD()
$ E4 @! O" u- ?2 P        On Error Resume Next; r. S) k. R! Y
        AcadApp = GetObject(, "AutoCAD.Application")/ D5 u9 ~4 Y5 q0 k, w2 F& s
        If Err.Number Then
, b! z6 ^& p, Y- y% O7 [, c7 g            Err.Clear()1 n, G0 S& S1 t/ i4 k
            AcadApp = CreateObject("AutoCAD.Application")# y) z' S1 v3 A* a4 z
            If Err.Number Then
8 v: c3 E: @6 t& b3 z                MsgBox("不能運行AutoCAD,，請檢查是否安裝了AutoCAD")7 H$ E. n' X/ T. p4 \
                Exit Sub
  `/ Y3 H8 j8 s9 {% m7 P# _# F            End If# K0 J0 Q$ `( i' c5 A1 S$ _; V
        End If
7 v! a4 i+ f+ s$ x) R        AcadApp.Visible = True '界面可視
$ a4 _# i  a7 k  @, b; U        AcadApp.WindowState = AutoCAD.AcWindowState.acMax '界面最大化0 a( O2 C8 D; R/ j* X  l
        AppActivate(AcadApp.Caption) '顯示AutoCAD界面
( l' q2 e; X# l3 ?& _    End Sub( @+ F  j. v3 a$ j
    Sub 齒輪刀具()
3 |7 Q9 V1 U/ Q$ U: Z! J  N1 [        Dim R, Rf, Rb, Ra As Single' \2 w& n9 v" k* y" V
        R = m * Z / 2( ]4 v+ Y" X6 B( }2 G. T
        Rf = (R - 1.25 * m)
8 \/ u  M& l# l        Rb = R * Cos(Af)
5 f) P3 p$ p* X  x6 M6 K( G! a        Ra = R + m( }( D0 \1 {9 y# V" |7 d, J" N; M1 Q
        Dim Sb, th(3)
- s3 z/ b( n0 e( r) k. @* @' [+ M        Sb = Cos(Af) * (3.14 * m / 2 + m * Z * (Tan(Af) - (Af)))
- N) o% K  \- X; w: E( A        th(1) = (3.14 * m * Cos(Af) - Sb) / (2 * Rb)
9 H' d( o( v7 J' l: L0 k        th(0) = th(1) / 3
; M4 x1 w+ l' R        th(2) = th(1) + Tan(Af) - Af
" i7 r: L: f, q0 l( R        th(3) = th(1) + Tan(Acos(Rb / Ra)) - Acos(Rb / Ra)
7 V* l! E0 b/ k! B, \        Dim curves(5) As AutoCAD.AcadEntity
& e8 [! K2 o! j' r- h& G4 Z        Dim points0(5) As Double
: x% U: r! f; j% a5 F        Dim points1(8) As Double$ E/ q" S. i; O, W: L+ A+ i
        Dim points2(5) As Double
+ a- L# c' ~1 x/ R5 g5 N        points0(0) = 0 : points0(1) = Rf
" V' f5 z6 ~1 R# a5 b7 Y        points0(2) = Rf * Sin(th(0)) : points0(3) = Rf * Cos(th(0))2 W5 Y" O9 D* l3 i
        points0(4) = Rb * Sin(th(1)) : points0(5) = Rb * Cos(th(1))
4 \9 h7 {4 x) \9 X! f        Dim startTan(2) As Double
. C3 [) ?2 N: K  a        Dim endTan(2) As Double2 m3 q4 d1 o& U
        startTan(0) = 0 : startTan(1) = 0 : startTan(2) = 0
9 h; A  n- {. n% \- D0 z2 o6 \6 F$ o        endTan(0) = 0.5 : endTan(1) = 0.5 : endTan(2) = 0$ N- b- t+ ~3 H7 \, N
        points1(0) = points0(4) : points1(1) = points0(5) : points1(2) = 0: _* d) v4 l( T5 p- @# J' o
        points1(3) = R * Sin(th(2)) : points1(4) = R * Cos(th(2)) : points1(5) = 0. P/ C' p9 m1 Y8 `( f, Y" Z
        points1(6) = Ra * Sin(th(3)) : points1(7) = Ra * Cos(th(3)) : points1(8) = 0
0 ~$ p. i4 F4 R1 U  g        points2(0) = points1(6) : points2(1) = points1(7): _$ ?7 E! @0 S$ D: Y% e/ z
        points2(2) = points1(6) : points2(3) = points1(7) + 2.25 * m
: n  u( t- r, x$ F        points2(4) = 0 : points2(5) = points2(3)' L. }0 }& P# @: c0 ~' g1 _
        If Rb < Rf Then# S, A) A6 v; k# s* K2 t
            points0(2) = points1(3) * 0.2 : points0(3) = points0(1) + 0.25 * m * 0.03& X6 P6 m+ x* j( C) Z  K9 a
            points0(4) = points1(3) * 0.7 : points0(5) = points0(1) + 0.25 * m * 0.83 R+ X5 b  h( g
            points1(0) = points0(4) : points1(1) = points0(5) : points1(2) = 06 w6 l1 x5 a8 d3 D2 w. Y; |7 c
        End If
# m7 N! I+ |/ L2 B1 \        curves(0) = AcadApp.ActiveDocument.ModelSpace.AddLightWeightPolyline(points0)8 i1 |7 s: K) h" s, s5 m
        curves(0).SetBulge(1, 0.2)% V8 K/ u/ c* x0 Y" e2 ]
        curves(1) = AcadApp.ActiveDocument.ModelSpace.AddSpline(points1, startTan, endTan). O: s* j0 |5 c
        curves(2) = AcadApp.ActiveDocument.ModelSpace.AddLightWeightPolyline(points2)
# X9 |. |! q  u9 E/ f/ k' d: b        Dim point1(2) As Double
' @0 e4 N8 Y. q( z1 \1 i        Dim point2(2) As Double5 p4 ?% `& h( u" r( l" ?
        point1(0) = 0 : point1(1) = 0 : point1(2) = 0. r: y& r8 v* C- q
        point2(0) = 0 : point2(1) = 1 : point2(2) = 0* J5 `* D" n2 Y8 x" G# \7 a- }; G: C
        curves(3) = curves(2).Mirror(point1, point2)
& N1 K- [- C! F& ~2 H        curves(4) = curves(1).Mirror(point1, point2)
) T3 P+ A& s# D3 D' a        curves(5) = curves(0).Mirror(point1, point2): L3 L& y0 }/ o
        刀具 = AcadApp.ActiveDocument.ModelSpace.AddRegion(curves): X# N! W& }& _$ y. j* B# @
        Dim taperAngle As Double6 u- T7 {4 Z  w" f
        taperAngle = 0
1 |- e. T9 Z2 {8 {- Q% M+ H  Z/ p        Dim solidObj As AutoCAD.Acad3DSolid
$ z+ t* h4 \; a4 m, h& ~/ V        solidObj = AcadApp.ActiveDocument.ModelSpace.AddExtrudedSolid(刀具(0), B * 1.1, taperAngle)# g* n7 a! U4 x5 Y# G4 d+ |$ ?# ?
        Dim center(2) As Double, G2 C/ m" a  {: _! m
        center(0) = 0 : center(1) = solidObj.Centroid(1) : center(2) = 0- A" M, M9 h5 u) e  d8 n5 I% i2 A: N
        solidObj.Move(solidObj.Centroid, center)
$ B9 {' G) }% h8 A3 T; `& Q        Dim basePnt(2) As Double. L# v- {, A! I. E6 H: C6 z# E# A
        basePnt(0) = 0 : basePnt(1) = 0 : basePnt(2) = 0.0#
* n1 h4 X9 y4 I! U        刀具 = solidObj.ArrayPolar(Z + 1, 2 * Pi, basePnt). K7 m# F7 D6 H. r; U) y
    End Sub
2 z" E! [4 @: J- G' p* V9 u& ~    Private Sub TextBox1_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.TextChanged, TextBox2.TextChanged
% |0 R6 h, A! u        Me.TextBox4.Text = CInt(Val(Me.TextBox1.Text) * Val(Me.TextBox2.Text) * 0.3)
; \9 X/ @0 b" N5 @. n6 @        D4 = Val(Me.TextBox4.Text)
: U8 u; i2 U  ]        Me.TextBox5.Text = CInt(1.2 * Val(Me.TextBox4.Text))+ J' _' r) q# f5 }% S
        Da = Val(Me.TextBox1.Text) * Val(Me.TextBox2.Text) + 2 * Val(Me.TextBox2.Text)
- T% ]) ^5 L) ?        Me.TextBox6.Text = Da - 12 * Val(Me.TextBox2.Text)7 X7 ]: m. l. J0 Z0 P
        Me.TextBox7.Text = 1.6 * D49 P. ~1 p# U* \! g6 t; H" I
    End Sub
7 u% b) `  _* y- t. X5 P+ l: G. U: A    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click: E: u+ P% Y6 K3 Z
        Call 連接AutoCAD()) S( x7 y& d2 D2 r
        Dim entry As AutoCAD.AcadEntity
$ P: o4 a5 N! m2 Q        For Each entry In AcadApp.ActiveDocument.ModelSpace" D. M: D) J2 z' X
            entry.Delete()  T, y. i( u# c8 b5 Z4 ^/ W

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