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標(biāo)題: 基于autocad的齒輪參數(shù)化源程序 [打印本頁(yè)]

作者: 圣歌    時(shí)間: 2011-5-25 11:34
標(biāo)題: 基于autocad的齒輪參數(shù)化源程序
Imports System.Math. q+ C2 A7 T- l$ r& Z4 v
Public Class Form1
4 j$ W- p* N# ?    Dim AcadApp As AutoCAD.AcadApplication
( j* U7 l, R/ k' p0 o    Dim 刀具 As Object1 T4 z% J6 o# Q& L* g" y/ [! t
    Dim Da, D0, D1, D2, D3, D4, n1, B, C As Double
! ]# P1 g0 o/ e3 H! q9 C    Dim Z, m, Af As Double
6 r1 u( t; ]( O: b$ d* X, a    Const Pi = 3.141592* @* M6 b: {; m% D  B+ Q* ~6 d8 G
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load# e/ `+ C& N) b" p& b
        Me.Text = "齒輪結(jié)構(gòu)參數(shù)化三維造型"
/ r4 W7 S. J2 s) R* i' a        Me.GroupBox1.Text = ""
& _5 h6 m% J, a  M, y        Me.Label1.Text = "齒數(shù)Z"% |8 R+ f' }  n" z' q5 L& A
        Me.Label2.Text = "模數(shù)m"# z9 I- I, u4 F+ |2 w" h  v/ F
        Me.Label3.Text = "壓力角Af"# T) [; F/ V2 K) P- {
        Me.Label4.Text = "軸徑D4"5 d. f9 `$ l8 f: p, X( ^0 \
        Me.Label5.Text = "齒寬B"
4 K  ?6 z% i& m6 a3 i        Me.Label6.Text = "D0"
/ B4 w: n& D# y% B& @4 Y. \        Me.Label7.Text = "D3"( {: l( f! P% I% O  m5 j+ e! z
        Me.TextBox1.Text = 40
+ ^& x' g. v9 ^- E7 Q        Me.TextBox2.Text = 6
# G( U1 T8 m5 L8 D        Me.TextBox3.Text = 20
4 |# l5 [8 ~2 ]- y9 u. t2 L' k        Me.TextBox4.Text = CInt(Val(Me.TextBox1.Text) * Val(Me.TextBox2.Text) * 0.3)
# Q( I( h9 Z6 v0 U+ `        D4 = Val(Me.TextBox4.Text). `* Q+ w/ ?+ w2 W
        Me.TextBox5.Text = CInt(1.2 * Val(Me.TextBox4.Text))
3 J8 ~- ~9 {0 J2 E  R1 Q9 U        Da = Val(Me.TextBox1.Text) * Val(Me.TextBox2.Text) + 2 * Val(Me.TextBox2.Text)+ i$ R5 `/ ^. K, ]
        Me.TextBox6.Text = Da - 12 * Val(Me.TextBox2.Text)
; P  g: U' d/ M/ w        Me.TextBox7.Text = 1.6 * D43 p7 k  C: X- q8 z/ I4 o5 R
        Me.CheckBox1.Text = "畫(huà)腹板孔"
* P; h; {; g( m, x: [  F8 E" o% _        Me.CheckBox1.Checked = True
) z, E5 N( v! p* |  |        Me.Button1.Text = "齒輪結(jié)構(gòu)造型"
, c  a- A0 u+ {5 `9 L. @        Me.Button2.Text = "結(jié)束"* [6 e% s& _: J% z
    End Sub
( w" p. |% Z* Y9 j. Z" n    Sub 連接AutoCAD()$ o% A) Z, z& H  k
        On Error Resume Next
. C( n" i2 [' }        AcadApp = GetObject(, "AutoCAD.Application")
, V& G/ b, E! r! V9 L+ J- O        If Err.Number Then
& d. l5 I) g$ x# i            Err.Clear()
% B( W5 m5 F* U            AcadApp = CreateObject("AutoCAD.Application")
: A4 T8 g2 R+ m/ Z2 ~9 c            If Err.Number Then; n/ {$ P, s9 x9 r% R
                MsgBox("不能運(yùn)行AutoCAD,請(qǐng)檢查是否安裝了AutoCAD")6 M$ V1 v/ i9 `$ q% H
                Exit Sub
0 U' @3 W! r2 X8 |            End If
8 \" O* u- N  g, t  X% D; s- ?) X        End If
+ U" {* t, Q, C4 N  \        AcadApp.Visible = True '界面可視6 U" m+ b3 ?& z# l8 `1 f* Z% e2 x+ U
        AcadApp.WindowState = AutoCAD.AcWindowState.acMax '界面最大化
: {$ V: c8 {- F) ?6 @        AppActivate(AcadApp.Caption) '顯示AutoCAD界面
% M8 b' ^* O' w$ d+ W    End Sub
8 a9 p- i& R: y+ ~6 Z- ]    Sub 齒輪刀具()5 M2 L' G. N4 q/ z( m% ]
        Dim R, Rf, Rb, Ra As Single) W: T1 U0 ?# O
        R = m * Z / 29 a, y. C& T" E5 o4 J' s5 y  ?
        Rf = (R - 1.25 * m)
1 ~( w1 I6 [* t3 q% _9 G1 K        Rb = R * Cos(Af)
' Y5 q/ ]9 E! [2 w        Ra = R + m
: t5 a: ^5 `# V+ X2 \        Dim Sb, th(3)
& s* o: `! b/ k8 k% [        Sb = Cos(Af) * (3.14 * m / 2 + m * Z * (Tan(Af) - (Af)))  o9 z. _8 }% d# z' B4 c0 V$ P# h( o
        th(1) = (3.14 * m * Cos(Af) - Sb) / (2 * Rb)
6 Z& q  m5 C" O7 J: ~  ]        th(0) = th(1) / 3
5 {$ f' u/ d( y3 n' Z) p/ G        th(2) = th(1) + Tan(Af) - Af0 O) w- f  X, @
        th(3) = th(1) + Tan(Acos(Rb / Ra)) - Acos(Rb / Ra), [& v& s9 e2 s- m
        Dim curves(5) As AutoCAD.AcadEntity1 k' r: \, Z3 H+ \* ^# H
        Dim points0(5) As Double
4 Z9 u- Z" i/ i        Dim points1(8) As Double0 g: O, g+ F8 [( P) t5 d6 V! @, k0 h
        Dim points2(5) As Double/ C) @( {9 o% Y2 d* ^
        points0(0) = 0 : points0(1) = Rf/ F* A2 s4 V+ u& t' d* p. W
        points0(2) = Rf * Sin(th(0)) : points0(3) = Rf * Cos(th(0))/ S# S9 A6 Q8 e. A" s: w8 h; h
        points0(4) = Rb * Sin(th(1)) : points0(5) = Rb * Cos(th(1)), R/ G( M- y7 r7 {: K- Z; s
        Dim startTan(2) As Double2 P) N; ]  K* I* v
        Dim endTan(2) As Double
6 p+ G* F& C- o        startTan(0) = 0 : startTan(1) = 0 : startTan(2) = 0- |. |, D0 _% V! g: C
        endTan(0) = 0.5 : endTan(1) = 0.5 : endTan(2) = 0) i* u3 F& a! O3 W3 Q" I
        points1(0) = points0(4) : points1(1) = points0(5) : points1(2) = 01 U$ V! p( V  a  d  }9 F
        points1(3) = R * Sin(th(2)) : points1(4) = R * Cos(th(2)) : points1(5) = 0" _+ E& N0 I( Y+ u
        points1(6) = Ra * Sin(th(3)) : points1(7) = Ra * Cos(th(3)) : points1(8) = 0
8 }- }& L$ I1 W: b5 B. ]        points2(0) = points1(6) : points2(1) = points1(7)% i! R& K; z6 D9 j! m5 Z, Y9 w
        points2(2) = points1(6) : points2(3) = points1(7) + 2.25 * m
3 P9 P% T9 H; _' m9 C) n, ]4 p        points2(4) = 0 : points2(5) = points2(3)
. {$ i9 `' D& b6 X: |& A        If Rb < Rf Then2 R! s! g/ s: {9 {% V3 s
            points0(2) = points1(3) * 0.2 : points0(3) = points0(1) + 0.25 * m * 0.03
( ?4 T5 t/ e0 c5 ~) w7 j+ N8 [            points0(4) = points1(3) * 0.7 : points0(5) = points0(1) + 0.25 * m * 0.8' F$ [" ^- d% h( Z5 P( d2 y8 O
            points1(0) = points0(4) : points1(1) = points0(5) : points1(2) = 0& Y6 d% D4 q# Q
        End If: T+ v$ E- @% Q' L4 R8 w
        curves(0) = AcadApp.ActiveDocument.ModelSpace.AddLightWeightPolyline(points0)
9 w. G2 Z$ _) p        curves(0).SetBulge(1, 0.2)0 X; q4 y: p# ^1 E
        curves(1) = AcadApp.ActiveDocument.ModelSpace.AddSpline(points1, startTan, endTan)
; O: e& b- s+ R3 N! _' b        curves(2) = AcadApp.ActiveDocument.ModelSpace.AddLightWeightPolyline(points2): Q" a; S5 @1 k( {3 a2 p$ c
        Dim point1(2) As Double8 Y3 F- m$ m& q7 C! |
        Dim point2(2) As Double
7 T% H% a8 ]: k5 W        point1(0) = 0 : point1(1) = 0 : point1(2) = 0, r2 X6 z5 \( U5 @, y, x( N
        point2(0) = 0 : point2(1) = 1 : point2(2) = 0
5 ?2 ^9 o2 j& c9 ?6 D5 B; R; m        curves(3) = curves(2).Mirror(point1, point2)
. A+ x% l& \2 [% q" M3 h" _        curves(4) = curves(1).Mirror(point1, point2)
1 Y7 x7 t+ m( d$ O: P        curves(5) = curves(0).Mirror(point1, point2)) O" |: x) K! J8 o( `1 B
        刀具 = AcadApp.ActiveDocument.ModelSpace.AddRegion(curves)( w8 G  H' ?8 z8 T/ W
        Dim taperAngle As Double
7 f  i2 ]& u$ |9 Y! F0 l* R4 ]* u        taperAngle = 08 [1 J. Z  c/ ~" i2 t+ t" G4 Q
        Dim solidObj As AutoCAD.Acad3DSolid! T4 k: ~3 I. {; ~  {
        solidObj = AcadApp.ActiveDocument.ModelSpace.AddExtrudedSolid(刀具(0), B * 1.1, taperAngle)
* U- ~  {& E1 z0 J) p. |* ]        Dim center(2) As Double  d5 K0 r9 B( @( K' j  D# J1 i! ?
        center(0) = 0 : center(1) = solidObj.Centroid(1) : center(2) = 0
, D6 X7 L/ j+ \6 w, I& Z        solidObj.Move(solidObj.Centroid, center)
, G' S( H% Q7 j0 G0 b9 o        Dim basePnt(2) As Double
5 ]/ s; E6 g6 {6 l% e        basePnt(0) = 0 : basePnt(1) = 0 : basePnt(2) = 0.0#' t8 l5 M1 o2 T: w, b* p2 d
        刀具 = solidObj.ArrayPolar(Z + 1, 2 * Pi, basePnt)
0 J; G/ H" x# e" s    End Sub+ Z8 q$ b( M; t. z; H1 p
    Private Sub TextBox1_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.TextChanged, TextBox2.TextChanged
" Y% x' W( r+ E- B& s# U        Me.TextBox4.Text = CInt(Val(Me.TextBox1.Text) * Val(Me.TextBox2.Text) * 0.3), W  {/ P8 C$ ^( \' v
        D4 = Val(Me.TextBox4.Text)5 K) _& e4 `' `% C$ ^5 H$ |
        Me.TextBox5.Text = CInt(1.2 * Val(Me.TextBox4.Text)); r/ g+ K. Y; L. @% v4 B
        Da = Val(Me.TextBox1.Text) * Val(Me.TextBox2.Text) + 2 * Val(Me.TextBox2.Text): O) |, T7 y9 l' U6 d6 y
        Me.TextBox6.Text = Da - 12 * Val(Me.TextBox2.Text)3 }/ U. S$ G# y& P( ~- ^& ]+ }7 L
        Me.TextBox7.Text = 1.6 * D4" P% O; O- a( X, u' A
    End Sub
$ a. h0 w5 k, i9 h+ q) m( B    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
3 G- v+ p- i- a' {        Call 連接AutoCAD()5 l' t* u- m- ~) X2 C% d$ I& H
        Dim entry As AutoCAD.AcadEntity# i# x% S! a0 F  O  D$ L
        For Each entry In AcadApp.ActiveDocument.ModelSpace
& j% {' r0 a+ @% Q) ^( f            entry.Delete()$ `4 U2 {" w5 O  R3 U
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