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基于autocad的齿轮参数化源程序

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发表于 2011-5-25 11:34:51 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
Imports System.Math9 ]  ]: ]$ C( u& }- |5 e& y
Public Class Form1
( ?& q  t8 R. u/ X# G1 e( r    Dim AcadApp As AutoCAD.AcadApplication
# C  b& k4 _6 Q5 X* l4 u  E    Dim 刀具 As Object* v, k: }# L, E
    Dim Da, D0, D1, D2, D3, D4, n1, B, C As Double, }4 ]; v0 U" O) e& c. O
    Dim Z, m, Af As Double$ r  G# x: ?2 J, ^5 Z3 V5 n
    Const Pi = 3.141592, }7 J; p/ k# \$ i! {" i
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
" G$ W& B; _6 Q5 \        Me.Text = "齿轮结构参数化三维造型"1 W+ i' T) f+ G4 F" d
        Me.GroupBox1.Text = ""
* w! b7 C) n4 b2 ?( _        Me.Label1.Text = "齿数Z"% P) u* {; o6 R! {3 M
        Me.Label2.Text = "模数m"
* d4 S* w" h; ~2 R/ ?        Me.Label3.Text = "压力角Af"
& g" t+ X3 T8 f        Me.Label4.Text = "轴径D4"
- c. N- J$ s( A        Me.Label5.Text = "齿宽B"
% F. k8 d. G8 B9 V4 b        Me.Label6.Text = "D0"; ~* o0 X) ~" o3 y+ q* w
        Me.Label7.Text = "D3"
$ h8 S: u8 Z  }  t) Z3 d( {        Me.TextBox1.Text = 406 {! `2 S0 n& Z( }: ~$ V
        Me.TextBox2.Text = 67 N) q. Y* Q' ]7 x6 Y
        Me.TextBox3.Text = 206 c. R9 ?7 z0 D+ v- N5 a
        Me.TextBox4.Text = CInt(Val(Me.TextBox1.Text) * Val(Me.TextBox2.Text) * 0.3)+ m+ R' N; @6 G% m  R
        D4 = Val(Me.TextBox4.Text)7 \  Y& J6 ]8 j+ M+ J
        Me.TextBox5.Text = CInt(1.2 * Val(Me.TextBox4.Text))) z2 @4 ]( H7 N" z
        Da = Val(Me.TextBox1.Text) * Val(Me.TextBox2.Text) + 2 * Val(Me.TextBox2.Text)
5 }5 D5 s2 ~4 p0 ^6 _' N, v/ ?        Me.TextBox6.Text = Da - 12 * Val(Me.TextBox2.Text). Y! z0 M3 w0 u! _$ B
        Me.TextBox7.Text = 1.6 * D4
7 y2 E$ J9 U$ Y  G; _: y        Me.CheckBox1.Text = "画腹板孔". }# i; F3 h! V
        Me.CheckBox1.Checked = True
- Z, \+ p8 p4 p) W$ X) h        Me.Button1.Text = "齿轮结构造型"! r2 X) T" v& ~
        Me.Button2.Text = "结束"5 t. N" U  ~) W
    End Sub
( i* u! o( I) v# C    Sub 连接AutoCAD()0 i% h8 h8 e1 Q$ E# d" `+ b) r
        On Error Resume Next4 q4 a; y4 {% X. S( @
        AcadApp = GetObject(, "AutoCAD.Application")# E( f/ J$ J/ ?1 I$ C& X  d" @
        If Err.Number Then
% B" D2 ]2 N* e: v  {            Err.Clear()' z  m) G2 _$ h' f, O
            AcadApp = CreateObject("AutoCAD.Application")
  |' m7 h8 |+ H, Y% Q            If Err.Number Then
* p: c) I+ N# L8 X1 r1 x( j7 `                MsgBox("不能运行AutoCAD,请检查是否安装了AutoCAD")
! X; V' }- r% o' d4 Y                Exit Sub
  @1 }- @$ q+ k7 x            End If
9 k9 P8 [5 e% n0 h        End If
* I7 \4 D! u  S6 c/ q  w        AcadApp.Visible = True '界面可视
. x5 g0 y) p) j5 i+ y( @        AcadApp.WindowState = AutoCAD.AcWindowState.acMax '界面最大化- I! t* M' H; y5 s0 v4 ?3 p7 H
        AppActivate(AcadApp.Caption) '显示AutoCAD界面8 o6 T, `2 n; x% d+ ~) o
    End Sub
. V4 U/ e! o( {8 p( v( |9 ?! c7 M( Z    Sub 齿轮刀具(), j* r  u$ i3 {+ H3 Z9 g
        Dim R, Rf, Rb, Ra As Single
& W, ?7 h" R& C. ~        R = m * Z / 29 T/ s% G0 d) _" X; H6 Z
        Rf = (R - 1.25 * m)
; z1 ?1 @( P* e- r2 S, D4 Q        Rb = R * Cos(Af)
5 g2 J" G/ p% i4 s        Ra = R + m
2 s9 A' n% q% T0 P- e. ]        Dim Sb, th(3)
7 a& Q  J5 I4 [  c' _" v2 L( N        Sb = Cos(Af) * (3.14 * m / 2 + m * Z * (Tan(Af) - (Af)))
* u" P4 K4 S- ~$ x' j9 [  }6 C        th(1) = (3.14 * m * Cos(Af) - Sb) / (2 * Rb)
! W8 B2 O$ f" r        th(0) = th(1) / 3
9 m3 \/ L( X5 z3 ]1 ^$ G/ s        th(2) = th(1) + Tan(Af) - Af
  d# J% h" N5 h        th(3) = th(1) + Tan(Acos(Rb / Ra)) - Acos(Rb / Ra)8 d* P3 ~8 F0 v$ ^
        Dim curves(5) As AutoCAD.AcadEntity
( G7 e) p  d  H4 A        Dim points0(5) As Double
& R( J! Y& |% [2 ^        Dim points1(8) As Double
) H5 l9 N3 [! o. F( ~% `; P        Dim points2(5) As Double
$ ~+ ?. c) z0 G! F6 I' Z6 ?( M! j. j7 [        points0(0) = 0 : points0(1) = Rf
/ t2 c( K8 O( V7 g2 {+ N! m+ p        points0(2) = Rf * Sin(th(0)) : points0(3) = Rf * Cos(th(0))
3 Z$ `+ N" L: R5 I4 ~" N2 {        points0(4) = Rb * Sin(th(1)) : points0(5) = Rb * Cos(th(1))
- k4 r7 L( \# m  ?" j/ R5 G  A+ Z0 z        Dim startTan(2) As Double
1 x) y  [4 L) q8 e9 e) ?3 \7 |        Dim endTan(2) As Double2 L0 r- ]# G& D  W
        startTan(0) = 0 : startTan(1) = 0 : startTan(2) = 0+ q, S! a, b3 g* ?5 h( M2 |
        endTan(0) = 0.5 : endTan(1) = 0.5 : endTan(2) = 0) j' c: r4 {% M6 d8 t0 |% v
        points1(0) = points0(4) : points1(1) = points0(5) : points1(2) = 0- U1 I$ d3 P' G% E# i# r4 R" [7 K6 i
        points1(3) = R * Sin(th(2)) : points1(4) = R * Cos(th(2)) : points1(5) = 0
! t, b' F5 E/ W- s( {        points1(6) = Ra * Sin(th(3)) : points1(7) = Ra * Cos(th(3)) : points1(8) = 0' [) o5 V  {! p( Z/ M% G) i. U, P
        points2(0) = points1(6) : points2(1) = points1(7)- u9 z$ _# ?7 m. w- c
        points2(2) = points1(6) : points2(3) = points1(7) + 2.25 * m
' ^. a+ j8 l4 _4 E        points2(4) = 0 : points2(5) = points2(3)( g3 |6 f% d: m4 g- ]
        If Rb < Rf Then# W% Q% X! b, c. u- H/ H# l8 w. m
            points0(2) = points1(3) * 0.2 : points0(3) = points0(1) + 0.25 * m * 0.03" A0 H9 Y" t4 ~" O! h7 P
            points0(4) = points1(3) * 0.7 : points0(5) = points0(1) + 0.25 * m * 0.8
9 d  s( }- D8 s! ~' L* v1 f            points1(0) = points0(4) : points1(1) = points0(5) : points1(2) = 0
" ^7 k  h8 q1 S% R/ P        End If
# Z2 U- Y6 X# ~) L+ O        curves(0) = AcadApp.ActiveDocument.ModelSpace.AddLightWeightPolyline(points0)
$ g2 f  o: _) @( a8 J+ @+ H" N        curves(0).SetBulge(1, 0.2)
' h9 Z7 h7 c' f' }- f0 n6 e8 n( b        curves(1) = AcadApp.ActiveDocument.ModelSpace.AddSpline(points1, startTan, endTan)
$ F0 Y4 W' ~+ ^$ [$ Y        curves(2) = AcadApp.ActiveDocument.ModelSpace.AddLightWeightPolyline(points2)
% ~, B6 }7 ?. {6 f4 k) ?0 Y9 D        Dim point1(2) As Double% O1 Z% [& y. y" ]
        Dim point2(2) As Double$ I  v: W" D3 v  A! z+ ^& s  d
        point1(0) = 0 : point1(1) = 0 : point1(2) = 0
( t. d1 v4 }' z6 I7 x* I        point2(0) = 0 : point2(1) = 1 : point2(2) = 0( l# y& [$ b& U; e  t8 X& e
        curves(3) = curves(2).Mirror(point1, point2)
( T0 H! x6 W) i4 r8 g7 t        curves(4) = curves(1).Mirror(point1, point2)  f5 _7 b6 \8 z5 Y7 H4 W) g
        curves(5) = curves(0).Mirror(point1, point2)4 v+ D% ]9 z, l% l7 j
        刀具 = AcadApp.ActiveDocument.ModelSpace.AddRegion(curves)# ^& v5 M5 ?2 F7 @+ f& N) ~! v
        Dim taperAngle As Double! ~" I3 _$ S! b
        taperAngle = 0' S# }+ p9 D* X- Q  m
        Dim solidObj As AutoCAD.Acad3DSolid) R7 {" I6 p  r0 D
        solidObj = AcadApp.ActiveDocument.ModelSpace.AddExtrudedSolid(刀具(0), B * 1.1, taperAngle)
  S3 F$ P7 P& E4 L        Dim center(2) As Double
% b0 T! G* t" K# x) `6 {) L/ P        center(0) = 0 : center(1) = solidObj.Centroid(1) : center(2) = 0* L/ \' J* k0 g) J; {
        solidObj.Move(solidObj.Centroid, center)
7 J% @6 Q; A' L2 b/ y, a3 f        Dim basePnt(2) As Double$ B: T! P) I. P  B
        basePnt(0) = 0 : basePnt(1) = 0 : basePnt(2) = 0.0#% j7 q) t- }+ d, g% o9 B
        刀具 = solidObj.ArrayPolar(Z + 1, 2 * Pi, basePnt)( g# @) ]7 Z) K5 c
    End Sub
  a# q/ w# v! I    Private Sub TextBox1_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.TextChanged, TextBox2.TextChanged  Y( g$ q6 G$ D
        Me.TextBox4.Text = CInt(Val(Me.TextBox1.Text) * Val(Me.TextBox2.Text) * 0.3)- f4 w- X' a4 m" G1 F6 g+ X2 k# Z
        D4 = Val(Me.TextBox4.Text)
+ t) M2 O5 X8 p. j4 b        Me.TextBox5.Text = CInt(1.2 * Val(Me.TextBox4.Text))' @; Z; x! Z$ p3 H
        Da = Val(Me.TextBox1.Text) * Val(Me.TextBox2.Text) + 2 * Val(Me.TextBox2.Text)
+ L# W. g; z* l2 q/ O        Me.TextBox6.Text = Da - 12 * Val(Me.TextBox2.Text)4 g# [4 U- Q9 F/ x3 n8 j5 v1 `
        Me.TextBox7.Text = 1.6 * D4
$ ~) Z# o8 u4 R$ B5 V7 ]    End Sub
9 V/ u+ |5 Y; z1 c7 k0 p- I    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click. _* v$ n/ Z" z) a0 i% X$ w' Z
        Call 连接AutoCAD()
, u. g. j7 r% `$ W; I        Dim entry As AutoCAD.AcadEntity; n# N3 C; H, D3 ]7 s4 c
        For Each entry In AcadApp.ActiveDocument.ModelSpace: g, x* l/ |4 n$ n5 N
            entry.Delete()
+ e- [/ N5 w/ l+ u3 z
, y9 V! \7 P9 X' J! j; d( Y
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