Injection Mold Design Engineering (eBook)

David O. Kazmer (Autor)

eBook Download: PDF

2012 | 1. Auflage
444 Seiten
Carl Hanser Fachbuchverlag
978-3-446-43419-6 (ISBN)

Infos

This book provides a vision and structure to finally synergize all the engineering disciplines that converge in the mold design process. The topics are presented in a top-down manner, beginning with introductory definitions and the 'big picture' before proceeding to layout and detailed design of molds. The book provides very pragmatic analysis with worked examples that can be readily adapted to 'real world' mold design applications. It should help students and practitioners to understand the inner workings of injection molds and encourage them to think 'outside the box' in developing innovative and highly functional mold designs.
Contents:
·Introduction to mold functions, types, and components
·Review of design for injection molding
·Cost estimation and optimization
·Mold layout design including cavity layout, sizing, and materials selection
·Cavity, runner system, and gating analysis and design
·Cooling system analysis and design
·Venting, shrinkage, and warpage analysis and strategies
·Ejection force analysis and ejection system designs
·Stress and deflection analysis with structural system designs
·A survey of advanced mold designs

Inhalt

Preface 6
Contents 8
Nomenclature 16
1 Introduction 22
1.1 Overview of the Injection Molding Process 22
1.2 Mold Functions 24
1.3 Mold Structures 25
1.4 Other Common Mold Types 30
1.5 The Mold Development Process 34
1.6 Chapter Review 36
2 Plastic Part Design 38
2.1 The Product Development Process 38
2.2 Design Requirements 41
2.3 Design for Injection Molding 49
2.4 Chapter Review 56
3 Mold Cost Estimation 58
3.1 The Mold Quoting Process 58
3.2 Cost Drivers for Molded Parts 60
3.3 Mold Cost Estimation 64
3.4 Part Cost Estimation 81
3.5 Chapter Review 87
4 Mold Layout Design 88
4.1 Parting Plane Design 88
4.2 Cavity and Core Insert Creation 95
4.3 Mold Base Selection 98
4.4 Mold Material Selection 105
4.5 Chapter Review 110
5 Cavity Filling Analysis and Design 112
5.1 Overview 112
5.2 Objectives in Cavity Filling 113
5.3 Viscous Flow 115
5.4 Validation 123
5.5 Cavity Filling Analyses and Designs 125
5.6 Chapter Review 138
6 Feed System Design 140
6.1 Overview 140
6.2 Objectives in Feed System Design 140
6.3 Feed System Types 144
6.4 Feed System Analysis 153
6.5 Practical Issues 171
6.6 Chapter Review 179
7 Gating Design 182
7.1 Objectives of Gating Design 182
7.2 Common Gate Designs 184
7.3 The Gating Design Process 196
7.4 Chapter Review 203
8 Venting 206
8.1 Venting Design Objectives 206
8.2 Venting Analysis 207
8.3 Venting Designs 213
8.4 Chapter Review 218
9 Cooling System Design 220
9.1 Objectivesin Cooling System Design 220
9.2 The Cooling System Design Process 222
9.3 Cooling System Designs 240
9.4 Chapter Review 253
10 Shrinkage and Warpage 254
10.1 The Shrinkage Analysis Process 256
10.2 Shrinkage Analysis and Validation 268
10.3 Warpage 273
10.4 ChapterReview 278
11 Ejection System Design 280
11.1 Objectives in Ejection System Design 282
11.2 The Ejector System Design Process 286
11.3 Ejector System Analyses and Designs 299
11.4 Chapter Review 317
12 Structural System Design 320
12.1 Objectives in Structural System Design 321
12.2 Analysis and Design of Plates 327
12.3 Analysis and Design of Cores 346
12.4 Fasteners 353
12.5 Review 361
13 Mold Technologies 364
13.1 Introduction 364
13.2 Coinjection Molds 364
13.3 Insert Molds 371
13.4 Injection Blow Molds 376
13.5 Multi-Shot Molds 379
13.6 Feed Systems 385
13.7 Mold Wall Temperature Control 393
13.8 In-Mold Labeling 399
13.9 Ejection 402
13.10 Review 409
Appendix 410
Appendix A: Plastic Material Properties 411
Appendix B: Mold Material Properties 415
Appendix C: Properties of Coolants 419
Appendix D: Statistical Labor Data 420
Appendix E: Unit Conversions 423
Appendix F: Advanced Derivations 426
Bibliography 430
Subject Index 434
The Author 445

Produkt-Details

• Erscheint lt. Verlag: 13.9.2012
• Verlagsort: München
• Sprache: englisch
• Themenwelt: Naturwissenschaften ► Chemie
• Themenwelt: Technik
• Schlagworte: Kunststoffe • Kunststoffverarbeitung • Spritzgiessen • Spritzgiesswerkzeuge
• ISBN-10: 3-446-43419-4 / 3446434194
• ISBN-13: 978-3-446-43419-6 / 9783446434196