INTRODUCTION 1 LITERATURE REVIEW 4 METHODOLOGY 33 RESULT AND DISCUSSION 49

v TABLE OF CONTENTS Abstrak i Abstract ii Dedication iii Acknowledgement iv Table of Contents v List of Tables x List of Figures xii List of Abbreviations, Symbols and Nomenclatures xiv

CHAPTER 1: INTRODUCTION 1

1.1 Background 1 1.2 Problem Statement 2 1.3 Objective 3 1.4 Scope of Project 3

CHAPTER 2: LITERATURE REVIEW 4

2.1 Introduction

4 2.2 Injection Molding Machine 6 2.2.1 Injection system 7 2.2.2 Hydraulic system 9 vi 2.2.3 Mold system 9 2.2.4 Clamping system 11 2.2.5 Control system 11 2.3 Process of Injection Molding 11 2.3.1 Total Design Stage 14 2.4 Gate 15 2.4.1 Sprue Gate 15 2.4.2 Common Edge Gate 16 2.4.3 Fan Gate 16 2.4.4 Film Gate or Flash Gate 17 2.4.5 Ring Gate 17 2.4.6 Diaphragm Gate 18 2.4.7 Tunnel Gate 19 2.4.8 Pin Point Gate 19 2.4.9 Tab Gate 20 2.5 The Importance of Gate 20 2.5.1 Gate Type and Properties 21 2.5.2 Shear Rate and Shear Stress Limits 22 2.6 Plastic Application 23 2.7 Plastic Additives 30 2.7.1 Introduction 30 vii

CHAPTER 3: METHODOLOGY 33

3.1 Project Overview 33 3.2 Define the Problem Statement, Objective, and Scope 34 3.3 Literature Review 34 3.4 Flow Chart 35 3.5 Gant Chart 35 3.6 Process Development of the Product 35 3.7 Software 38 3.7.1 SolidWorks 38 3.7.2 CATIA 40 3.7.3 Autodesk Simulation Moldflow Adviser 2014 41 3.7.3.1 Moldflow Analysis Flow Chart 42 3.7.3.2 Procedure Autodesk Simulation Moldflow Adviser 2014 44 3.7.3.2.1 Step 1 44 3.7.3.2.2 Step 2 44 3.7.3.2.3 Step 3 45 3.7.3.2.4 Step 4 45 3.7.3.2.5 Step 5 46 3.7.3.2.6 Step 6 46 3.7.3.2.7 Step 7 47 3.8 Ranking Concept 47 3.9 Result Analysis of the Product 47 3.10 Discussion and Conclusion 48 viii

CHAPTER 4: RESULT AND DISCUSSION 49

4.1 Autodesk Simulation Moldflow Adviser 2014 on Plastic Name Card Holder Applied 49 4.1.1 Manipulated Variables 50 4.1.2 Controlled Variables 51 4.2 Simulation Analysis with Autodesk Simulation Moldflow Adviser 52 4.2.1 Phase 1 53 4.2.1.1 Ranking Table for Cycle Time s 58 4.2.1.2 Ranking Table for Confident of fill 59 4.2.1.3 Ranking Table for Quality Prediction 60 4.2.1.4 Ranking Table for Injection Pressure Mpa 61 4.2.1.5 Ranking Table for Max. Clamp Force during Filling Tonne62 4.2.1.6 Final Ranking Phase 1 63 4.2.2 Phase 2 64 4.2.3 Phase 3 67 4.2.3.1 New Design Gate Position 67 4.2 3.2 Ranking Table for Cycle Time s 71 4.2.3.3 Ranking Table for Confident of fill 72 4.2.3.4 Ranking Table for Quality Prediction 73 4.2.3.5 Ranking Table for Injection Pressure Mpa 74 4.2.3.6 Ranking table for Max. Clamp Force during Filling Tonne 75 4.2.3.7 Final Ranking 76 ix

CHAPTER 5: CONCLUSION AND FUTURE WORK 77