Robust Process Development and Scientific Molding - Theory and Practice
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| Verlag | Hanser Fachbuchverlag |
| Auflage | 2024 |
| Seiten | 442 |
| Format | 17,7 x 3,0 x 24,6 cm |
| Gewicht | 1175 g |
| Artikeltyp | Englisches Buch |
| EAN | 9781569909089 |
| Bestell-Nr | 56990908UA |
This book introduces the reader to the concepts of Scientific Molding and Scientific Processing for Injection Molding, geared towards developing a robust, repeatable, and reproducible (3Rs) molding process. It explains the underlying principles of polymer science: the properties that are important to injection molding and their application to molding process development. The effects of polymer morphology, thermal transitions, drying, and rheology on the injection molding process are explained in detail. The development of a robust molding process is broken down into two sections: the Cosmetic Process and the Dimensional Process. Scientific molding procedures to establish a 3R process are provided.
The concept of Design of Experiments (DOEs) for and in injection molding is explained, giving insight into the cosmetic and dimensional process windows. A plan to release qualified molds into production with troubleshooting tips is also provided. Topics that impact a robust proces s such as the use of regrind, mold cooling, and venting are also described.
Readers will be able to utilize the knowledge gained from the book in their day-to-day operations immediately.
This third edition includes a completely new subchapter covering melt preparation, as well as much additional, revised, and updated material throughout the book. The revisions are deeply informed by the author's long and ongoing experience as a trainer, resulting in improved ways to conduct a study, perform experiments, or explain a concept.
Leseprobe:
1 Introduction to Scientific Processing
2 Properties of Polymers and Plastics That Influence Injection Molding
3 Polymer Rheology
4 Plastic Drying
5 Common Plastic Materials and Additives
6 Injection Molding and Molding Machines
7 Scientific Processing, Scientific Molding, and Molding Parameters
8 Introduction to Process Development
9 Process Development Part 1: The Melt Preparation 197
10 Process Development Part 2: The 6-Step Study - Exploring the CosmeticProcess
11 Process Development Part 3: Exploring the Dimensional Process via Design of Experiments
12 Mold Qualification Flowchart, Production Release, and Troubleshooting
13 Role of Mold Cooling, Venting, and Regrind in Process Development
14 Related Technologies and Topics
15 Quality Concepts
Appendix A Materials Data Sheet
Appendix B Conversion Tables for Commonly Used Process Parameters
Appendix C Water Flow Tables
Appendix D Part Design Checklist
Appendix E Mold Desi gn Checklist
Appendix F Mold Qualification Checklist
Appendix G Regrind Tables - Percentage of Regrind in Total Shot
Appendix H Calculation of Melt Density
Index
