Private Sub Command1_Click()
Dim L1, L2, L3, L4 As Double
Dim s1_Degree, s2_Degree, s3_Degree, s1, s2, s3 As Double Dim w1, w2, w3 As Double
Dim a1, a2, a3 As Double
Dim A, B, C As Double
Dim i As Integer
pi = 3.1415926
L1 = Val(Text1.Text)
L2 = Val(Text2.Text)
L3 = Val(Text3.Text)
L4 = Val(Text4.Text)
w1 = Val(Text5.Text)
Text6.Text = Text6.Text & " s1" & "
" & "s3" & Chr(13) & Chr(10)
Text7.Text = Text7.Text & " w1" & "
" & "w3" & Chr(13) & Chr(10)
Text8.Text = Text8.Text & " a1" & "
" & "a3" & Chr(13) & Chr(10)
i = 0
For s1_Degree = 0 To 360 Step 30
i = i + 1 " & "s2" & " " & "w2" & " " & "a2" & "
s1 = s1_Degree * pi / 180
A = L4 - L1 * Cos(s1)
B = -L1 * Sin(s1)
C = (A ^ 2 + B ^ 2 + L3 ^ 2 - L2 ^ 2) / (2 * L3)
s3 = 2 * Atn((B + Sqr(A * A + B * B - C * C)) / (A - C))
s2 = Atn((B + L3 * Sin(s3)) / (A + L3 * Cos(s3)))
s2_Degree = s2 * 180 / pi
s3_Degree = s3 * 180 / pi
w3 = w1 * ((L1 * Sin(s1 - s2)) / (L3 * Sin(s3 - s2)))
w2 = -w1 * ((L1 * Sin(s1 - s3)) / (L2 * Sin(s2 - s3)))
a1 = 0
a3 = (L2 * w2 * w2 + L1 * w1 * w1 * Cos(s1 - s2) - L3 * w3 * w3 * Cos(s3 - s2)) / (L3 * Sin(s3 - s2))
a2 = (L3 * w3 * w3 - L1 * w1 * w1 * Cos(s1 - s3) - L2 * w2 * w2 * Cos(s2 - s3)) / (L2 * Sin(s2 - s3))
Text6.Text = Text6.Text & Format(s1_Degree, "0.000") & " " & Format(s2_Degree, "0.000") & " " & Format(s3_Degree, "0.000") & Chr(13) & Chr(10)
Text7.Text = Text7.Text & Format(w1, "0.000") & " " & Format(w2, "0.000") & " " & Format(w3, "0.000") & Chr(13) & Chr(10)
Text8.Text = Text8.Text & Format(a1, "0.000") & " " &
Format(a2, "0.000") & " " & Format(a3, "0.000") & Chr(13) & Chr(10)
Next s1_Degree
End Sub
Private Sub Command2_Click()
Unload Form1
End Sub
Private Sub Command1_Click()
Dim p1, p2, p3 As Double
Dim e, rb, rr, h As Double
Dim s, s0 As Double
Dim x, y, x1, y1, dxdp, dydp As Double
pi = 3.1415926
e = Val(Text1.Text)
rb = Val(Text2.Text)
rr = Val(Text3.Text)
h = Val(Text4.Text)
p1 = Val(Text5.Text)
p2 = Val(Text6.Text)
p3 = Val(Text7.Text)
Text8.Text = Text8.Text & "D" & " " & "x" & " " & "y" & " " & "x1" & " " & "y1" & Chr(13) & Chr(10) s0 = Sqr(rb * rb - e * e)
Dim Theat_Deg As Integer
For Theat_Deg = 0 To 360 Step 30
If (Theat_Deg >= 0 And Theat_Deg <= p1) Then
s = h * Theat_Deg / p1
Theat_Rad = Theat_Deg * pi / 180
x = (s0 + s) * Sin(Theat_Rad) + e * Cos(Theat_Rad) y = (s0 + s) * Cos(Theat_Rad) - e * Sin(Theat_Rad) dxdp = (s0 + s) * Cos(Theat_Rad) - e * Sin(Theat_Rad) dydp = -(s0 + s) * Sin(Theat_Rad) - e * Cos(Theat_Rad) x1 = x + rr * (dydp / Sqr(dxdp * dxdp + dydp * dydp))
y1 = y - rr * (dxdp / Sqr(dxdp * dxdp + dydp * dydp)) ElseIf (Theat_Deg > p1 And Theat_Deg <= p2) Then s = h
Theat_Rad = Theat_Deg * pi / 180
x = (s0 + s) * Sin(Theat_Rad) + e * Cos(Theat_Rad) y = (s0 + s) * Cos(Theat_Rad) - e * Sin(Theat_Rad)
dxdp = (s0 + s) * Cos(Theat_Rad) - e * Sin(Theat_Rad) dydp = -(s0 + s) * Sin(Theat_Rad) - e * Cos(Theat_Rad) x1 = x + rr * (dydp / Sqr(dxdp * dxdp + dydp * dydp)) y1 = y - rr * (dxdp / Sqr(dxdp * dxdp + dydp * dydp))
ElseIf (Theat_Deg > p2 And Theat_Deg <= p3) Then s = h - h * (Theat_Deg - p2) / (p3 - p2)
Theat_Rad = Theat_Deg * pi / 180
x = (s0 + s) * Sin(Theat_Rad) + e * Cos(Theat_Rad) y = (s0 + s) * Cos(Theat_Rad) - e * Sin(Theat_Rad)
dxdp = (s0 + s) * Cos(Theat_Rad) - e * Sin(Theat_Rad) dydp = -(s0 + s) * Sin(Theat_Rad) - e * Cos(Theat_Rad) x1 = x + rr * (dydp / Sqr(dxdp * dxdp + dydp * dydp)) y1 = y - rr * (dxdp / Sqr(dxdp * dxdp + dydp * dydp))
ElseIf (Theat_Deg > p3 And Theat_Deg <= 360) Then s = 0
Theat_Rad = Theat_Deg * pi / 180
x = (s0 + s) * Sin(Theat_Rad) + e * Cos(Theat_Rad) y = (s0 + s) * Cos(Theat_Rad) - e * Sin(Theat_Rad)
dxdp = (s0 + s) * Cos(Theat_Rad) - e * Sin(Theat_Rad) dydp = -(s0 + s) * Sin(Theat_Rad) - e * Cos(Theat_Rad) x1 = x + rr * (dydp / Sqr(dxdp * dxdp + dydp * dydp)) y1 = y - rr * (dxdp / Sqr(dxdp * dxdp + dydp * dydp))
End If
Text8.Text = Text8.Text & Format(Theat_Deg, "0.0") & " " & Format(x, "0.000") & " " & Format(y, "0.000") & " " & Format(x1, "0.000") & " " & Format(y1, "0.000") & " " & Chr(13) & Chr(10) Next Theat_Deg
End Sub
Private Sub Command2_Click()
End
End Sub
Private Sub Command3_Click() Text1.Text = ""
Text2.Text = ""
Text3.Text = ""
Text4.Text = ""
Text5.Text = ""
Text6.Text = ""
Text7.Text = ""
Text8.Text = ""
End Sub
Option Explicit
Dim n As Single, z1 As Single, z2 As Single, m As Single, A_Real
As Single, A_Theory As Single
Dim p As Single, r1 As Single, r2 As Single
Dim s As Single, e As Single, alpha_1 As Single
Dim s1 As Single
Dim rf1 As Single, rf2 As Single, ra1 As Single, ra2 As Single, rb1 As Single, rb2 As Single
Dim ha As Single, c As Single
Dim pi As Single
Dim ep As Single
Dim x1min, x1 As Single, x2min, x2 As Single, x0 As Single Dim y, delta_y As Single
Dim ha1, ha2, hf1, hf2 As Single
Dim alpha, alpha_20 As Single
Dim inv_alpha, inv_alpha_1 As Single
Dim sa1 As Single
Private Sub Command1_Click()
Dim TempX, TempY As Single
z1 = Text2.Text
z2 = Text3.Text
A_Real = Text4.Text
m = Text5.Text
alpha_20 = 20
pi = 3.1415926
ha = 1
c = 0.25
A_Theory = m * (z1 + z2) / 2
If A_Real = A_Theory Then
Call j1(r1, r2, rf1, rf2, ra1, ra2)
Picture1.Print "这对齿轮是标准安装。"
Picture1.Print "标准压力角是:" + Str(alpha_20) + "°" Picture1.Print "模数是:" + Str(m)
Picture1.Print "齿轮1的齿数是:" + Str(z1)
Picture1.Print "齿轮1的分度圆半径是:" + Str(r1) + "mm"
Picture1.Print "齿轮1的齿顶圆半径是:" + Str(ra1) + "mm"
Picture1.Print "齿轮1的齿根圆半径是:" + Str(rf1) + "mm"
Picture1.Print "齿轮2的齿数是:" + Str(z2)
Picture1.Print "齿轮2的分度圆半径是:" + Str(r2) + "mm"
Picture1.Print "齿轮2的齿顶圆半径是:" + Str(ra2) + "mm"
Picture1.Print "齿轮2的齿根圆半径是:" + Str(rf2) +
"mm"
Else
alpha = alpha_20 * pi / 180
r1 = m * z1 / 2
r2 = m * z2 / 2
rb1 = r1 * Cos(alpha)
rb2 = r2 * Cos(alpha)
TempX = A_Theory * Cos(alpha) / A_Real TempY = Sqr(1 - TempX ^ 2)
alpha_1 = Atn(TempY / TempX)
inv_alpha = Tan(alpha) - alpha
inv_alpha_1 = Tan(alpha_1) - alpha_1
x0 = (inv_alpha_1 - inv_alpha) * (z1 + Tan(alpha))
x1min = (17 - z1) / 17
x2min = (17 - z2) / 17
If x0 = 0 Then
Picture1.Print "这对齿轮是 零 传动!" ElseIf x0 > 0 Then
Picture1.Print "这对齿轮是 正 传动!" ElseIf x0 < 0 Then
Picture1.Print "这对齿轮是 负 传动!" z2) / (2 *
End If
Call j2(rf1, rf2, ra1, ra2, s, alpha_1, sa1, x1, x2, x0)
Picture1.Print "啮合角：" + Str(alpha_1 * 180 / pi) + "度" Picture1.Print "总变位系数x0=" + Str(x0)
Picture1.Print "变位系数x1=" + Str(x1)
Picture1.Print "齿轮1最小变位系数x1min=" + Str(x1min)
Picture1.Print "齿轮1的分度圆半径是:" + Str(r1) + "mm"
Picture1.Print "齿轮1的齿顶圆半径是:" + Str(ra1) + "mm"
Picture1.Print "齿轮1的齿根圆半径是:" + Str(rf1) + "mm"
Picture1.Print "齿轮1的齿顶齿厚是:" + Str(sa1) + "mm" Picture1.Print "变位系数x2=" + Str(x2)
Picture1.Print "齿轮2最小变位系数x2min=" + Str(x2min)
Picture1.Print "齿轮2的分度圆半径是:" + Str(r2) + "mm"
Picture1.Print "齿轮2的齿顶圆半径是:" + Str(ra2) + "mm"
Picture1.Print "齿轮2的齿根圆半径是:" + Str(rf2) +
"mm"
Picture1.Print "齿轮的重合度为：" + Str(ep)
End If
End Sub
Private Sub Command2_Click()
Text1.Text = ""
Text2.Text = ""
Text3.Text = ""
Text4.Text = ""
Text5.Text = ""
Picture1.Cls
End Sub
Private Sub Command3_Click()
Unload Form1
End Sub
Private Sub j1(r1 As Single, r2 As Single, rf1 As Single, rf2 As Single, ra1 As Single, ra2 As Single)
r1 = m * z1 / 2
r2 = m * z2 / 2
ra1 = (z1 + 2 * ha) * m / 2
ra2 = (z1 + 2 * ha) * m / 2
rf1 = (z1 - 2 * ha - 2 * c) * m / 2
rf2 = (z2 - 2 * ha - 2 * c) * m / 2
End Sub
Private Sub j2(rf1 As Single, rf2 As Single, ra1 As Single, ra2 As Single, s As Single, alpha_1 As Single, sa1 As Single, x1 As Single, x2 As Single, x0 As Single) '子程序2
Dim step_x1, Temp_s1, Temp_c1, Temp_s2, Temp_c2 As Single
Dim alpha_a1, inv_alpha_a1, alpha_a2, i As Single
step_x1 = (x0 - x2min - x1min) / 10
For i = 0 To 10 Step 1
x1 = x1min + i * step_x1
x2 = x0 - x1
y = (A_Real - A_Theory) / m
delta_y = x1 + x2 - y
ha1 = (ha + x1 - delta_y) * m
hf1 = (ha + c - x1) * m
ra1 = r1 + ha1
rf1 = r1 - hf1
ha2 = (ha + x2 - delta_y) * m
hf2 = (ha + c - x2) * m
ra2 = r2 + ha2
rf2 = r2 - hf2
s1 = (pi / 2 + 2 * x1 * Tan(alpha)) * m
Temp_s1 = rb1 / ra1
Temp_c1 = Sqr(1 - Temp_s1 ^ 2)
alpha_a1 = Atn(Temp_c1 / Temp_s1)
inv_alpha_a1 = Tan(alpha_a1) - alpha_a1
Dim alpha11 As Single
alpha11 = alpha_a1 * 180 / pi
sa1 = s1 * ra1 / r1 - 2 * ra1 * (inv_alpha_a1 - inv_alpha) Temp_s2 = rb2 / ra2
Temp_c2 = Sqr(1 - Temp_s2 ^ 2)
alpha_a2 = Atn(Temp_c2 / Temp_s2)
Dim alpha22 As Single
alpha22 = alpha_a2 * 180 / pi
ep = (z1 * (Tan(alpha_a1) - Tan(alpha_1)) + z2 * (Tan(alpha_a2) - Tan(alpha_1))) / (2 * pi)
If ep > 1.1 And ep < 1.981 And sa1 > 0.4 * m Then Exit For
Next i
End Sub
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