An expert system of die design for multi stage deep drawing process

An Expert System of Die Design for Multi Stage Deep Drawing Process Procedia Engineering 173 ( 2017 ) 1650 – 1657 1877 7058 © 2017 The Authors Published by Elsevier Ltd This is an open access article[.]

Procedia Engineering 173 ( 2017 ) 1650 – 1657

1877-7058 © 2017 The Authors Published by Elsevier Ltd This is an open access article under the CC BY-NC-ND license

( http://creativecommons.org/licenses/by-nc-nd/4.0/ ).

Peer-review under responsibility of the organizing committee of Implast 2016

doi: 10.1016/j.proeng.2016.12.257

ScienceDirect

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Research Scholar, R K University, Rajkot, Gujarat, India

b

Assistant Vice President, Reliance Industries, Ahmedabad, Gujarat, India

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© 2017 The Authors Published by Elsevier Ltd This is an open access article under the CC BY-NC-ND license

( http://creativecommons.org/licenses/by-nc-nd/4.0/ ).

Peer-review under responsibility of the organizing committee of Implast 2016

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Private Sub userForm_Activate()

drawN.Text = ""

t1.Text = ""

t2.Text = "Simulation (KN)"

t3.Text = "Formulation (KN)"

drawN.Text = Form4.number_t.Text

Pai = 3.14159265359

D = Val(Form3.blankd_t.Text)

Dd = Val(Form1.diameter_t.Text)

blankD1 = D

t = Val(Form1.thickness_t.Text)

blankT1 = t

height1_t = Form4.height1_t

ClearanceV = Val(Form3.clearance_t.Text)

h = Val(Form1.height_t.Text)

ShearM = Val(Form2.ultimate_t.Text)

Select Case (Val(drawN.Text))

Case 2:

i1.Enabled = True: f1.Enabled = True

t1.Enabled = True

If Form2.Combo1.ListIndex = 0 Then

D1 = Round(D / 1.6, 2)

dieD1 = D1 + (2 * ClearanceV)

punchD1 = D1

Fmax = Round(Pai * D1 * t * ShearM * ((D / D1) - 0.7) / 1000, 2)

t1.Text = Fmax

D2 = Dd

dieD2 = D2 + (2 * ClearanceV)

punchD2 = D2

Fmax = Round(Pai * D2 * t * ShearM * ((D1 / D2) - 0.7) / 1000, 2)

t2.Text = Fmax

ElseIf Form2.Combo1.ListIndex = 1 Then

D1 = Round(D / 1.5, 2)

dieD1 = D1 + (2 * ClearanceV)

punchD1 = D1

Fmax = Round(Pai * D1 * t * ShearM * ((D / D1) - 0.7) / 1000, 2)

t1.Text = Fmax

D2 = Dd

dieD2 = D2 + (2 * ClearanceV)

punchD2 = D2

Fmax = Round(Pai * D2 * t * ShearM * ((D1 / D2) - 0.7) / 1000, 2)

t2.Text = Fmax

ElseIf Form2.Combo1.ListIndex = 2 Then

D1 = Round(D / 1.667, 2)

dieD1 = D1 + (2 * ClearanceV)

punchD1 = D1

Fmax = Round(Pai * D1 * t * ShearM * ((D / D1) - 0.7) / 1000, 2)

t1.Text = Fmax

D2 = Dd

dieD2 = D2 + (2 * ClearanceV)

punchD2 = D2

Fmax = Round(Pai * D2 * t * ShearM * ((D1 / D2) - 0.7) / 1000, 2)

t2.Text = Fmax

End If

End Sub

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