INTRODUCTION 1 LITERATURE REVIEW 7 METHODOLOGY 31 PROCEDURE OF EXPLICIT DYNAMIC ANALYSIS USING ANSYS 50 RESULT 84 DISCUSSION 121

TABLE OF CONTENT Abstrak i Abstract ii Dedication iii Acknowledgement iv Table of Content v List of Tables viii List of Figures ix List of Abbreviations xii

1. INTRODUCTION 1

1.1 Backgrounds

1 1.1.1 Company 1

1.1.2 Deep Drawing Die

2 1.2 Problem Statement 3

1.3 Objectives

4 1.4 Scope 4

1.5 Structure of the Research

4 1.6 Gantt Chart 6

2. LITERATURE REVIEW 7

2.1 Deep Drawing Process

7 2.1.1 Definition 7 2.1.2 History 9 2.2 Parameters of Deep Drawing Die 11 2.2.1 Properties of Sheet Metal 13 2.2.2 Ratio of Blank Diameter to Punch Diameter 13 2.2.3 Sheet Thickness 14 2.2.4 Clearance between Punch and Deep Drawing Die 15 2.2.5 Blank Holder Force 16 2.2.6 Maximum Force of Punch 17 v 2.2.7 Drawn Cup Height 18 2.2.8 Drawn Cup Diameter 21 2.3 Previous Research 22 2.4 Finite Element Analysis FEA 24 2.4.1 Explicit Dynamic Analysis 27

3. METHODOLOGY 31

3.1 Flow Chart 31 3.1.1 Phase 0: Planning 33 3.1.2 Phase 1: Concept Development 33 3.1.3 Phase 2: Detail Design 33 3.1.4 Phase 3: Analysis Refinement 34 3.1.5 Phase 4: Report Submission Presentation 34 3.2 Process to Produce Brass Socket 34 3.3 Concept Generation 37 3.4 Concept Selection 42 3.5 Material Selection 42 3.6 Workpiece 42 3.7 3D-Modeling 43 3.8 Maximum Punch Force 43 3.9 Drawn Cup Height 46 3.10 Drawn Cup Diameter 48 3.11 Simulation Software 49

4. PROCEDURE OF EXPLICIT DYNAMIC ANALYSIS USING ANSYS 50

4.1 Create Analysis System 50 4.2 Engineering Data 55 4.3 Geometry 57 4.4 Stiffness Behaviour 58 4.5 Define Connections 62 4.5.1 Contact Regions 62 4.5.2 Setting Contact Conditions Manually 65 4.6 Meshing 66 vi 4.6.1 Physics Based Meshing 66 4.6.2 Using 3D Rigid Body Contact Meshing 68 4.7 Establish Analysis Settings 70 4.8 Fixed Support 71 4.9 Displacement 72 4.10 Solve 74 4.11 Review Results 79

5. RESULT 84

5.1 Results for Each Conceptual Design 84 5.1.1 Conceptual Design A 85 5.1.2 Conceptual Design B 92 5.1.3 Conceptual Design C 99 5.1.4 Conceptual Design D 107 5.1.5 Conceptual Design E 114

6. DISCUSSION 121

6.1 Total Deformation 121 6.2 Shear Stress 122 6.3 Proposed Design 123 6.4 Energy Evaluation 124

7. CONCLUSION AND RECOMMENDATION 126