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  • Sampling of Injection Molds

    Structured and Analytical Process
    • 1st Edition
    • Andreas Schötz + 1 more
    • English
    This is the first book focusing on the subject of injection mold sampling. A standardized, structured, and systematic procedure for sampling injection molds is essential for a successful injection molding process. This work provides everything you need to know, guiding you from the placing of an order for a mold sampling to the transfer to series production. With the complete sequence of the individual sampling steps, lots of background information, notes, practical examples and tips, and a colorful, well-illustrated design, the sampling procedure is conveyed in a reader-friendly way. The main topics covered are the structured procedure of a mold sampling, taking into account energy efficiency, documentation, and communication; a mold sampling analysis; optimum machine setup using strategic procedures and methods on the injection molding machine; process optimization with subsequent investigation of process capability; and a Run@Rate process. This book is ideally suited for practical users working at the injection molding machine as well as serving as a textbook at vocational schools, further education institutions, and universities.

  • Understanding Polymer Processing

    Processes and Governing Equations
    • 3rd Edition
    • Tim A Osswald + 1 more
    • English
    This book provides the background needed to understand not only the wide field of polymer processing, but also the emerging technologies associated with the plastics industry in the 21st century. It combines practical engineering concepts with modeling of realistic polymer processes. Divided into three sections, it provides the reader with a solid knowledge base in polymer materials, polymer processing, and modeling. "Understanding Polymer Processing" is intended for the person who is entering the plastics manufacturing industry and as a textbook for students taking an introductory course in polymer processing. It also serves as a guide to the practicing engineer when choosing a process, determining important parameters and factors during the early stages of process design, and when optimizing such a process. Practical examples illustrating basic concepts are presented throughout the book. New in the third edition are chapters on data-driven modeling and physics-driven modeling, as well as new sections on manufacturing and dimentional analysis. In addition to a number of other smaller improvements and corrections throughout the book, bonus code downloads are also providided

  • Polymer Extrusion

    Black-Box Reveal
    • 1st Edition
    • Anthony Chi-Ying Wong
    • English
    Plastics extrusion is one of the most important industrial processes wordwide. Over past decades, understanding of extrusion technologies has advanced by the global research efforts, but, due to the fact that the metal barrel hinders direct visualizations to be made by the naked eye, the "true" dynamic processing characteristics of extrusion processes remain unclear. Analytical attempts have thus been carried out either by indirect, static empirical approaches or theoretical mathematical analyses. None of them offer a realistic depiction of what takes place inside the barrel during an extrusion process. As such, the barrel can be considered as a "black-box". This book reveal the “true” dynamic extrusion processing characteristics, accumulated from years of research experience based on the novel visualization technique developed by Professor Zhu of the Beijing University of Chemical Technology. The qualitative discussions within provide not only insight into the scientific aspects of the subject, but also information of practical significance for those in the industry who need to perform process and hardware designs and optimizations. Included are conventional mathematical representations of the single- and twin-screw extrusion technologies. This provides a comprehensive foundation for undergraduate courses in, e.g., plastics processing engineering. Other topics covered are specifically selected to provide a comprehensive technical background and market trend to readers at all levels. Emphasis on the current status and future potential of sustainable and biodegradable polymers will also form part of the discussions.

  • Robust Process Development and Scientific Molding

    Theory and Practice
    • 3rd Edition
    • Suhas Kulkarni
    • English
    The 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. 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 and is described as 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, providing an 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 process 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. The third edition includes a completely new subchapter "Melt Preparation", as well as much additional, revised, and updated material throughout the book. The revisions are deeply informed by the authors long and ongoing experience as a trainer, result in improved ways to conduct a study, perform experiments, or explain a concept.

  • A Practical Approach to Scientific Molding

    • 2nd Edition
    • Gary F. Schiller
    • English

  • Simulation in Injection Molding

    • 1st Edition
    • Thomas Schröder
    • English
    In plastics technology, a wide variety of computer programs are used for the design and optimization of plastic molded parts and for mold design. These programs calculate the filling process, the holding pressure phase and the cooling phase of the molded part in the mold. The results include pressures, temperatures, weld lines, and voids. The shrinkage and warpage behavior of the molded part can also be predicted. Understanding and interpreting these simulation results is not trivial, although they are colorful representations with numerical values. Regardless of whether one has many years of experience as a designer, mold maker or injection molder, or whether one is in training or studying, simulation is becoming increasingly important. For this reason, experts who know how to use these programs correctly are increasingly sought on the market. This book is intended to help increase the reader’s knowledge of simulation, which will increase the ability to detect and avoid molding errors at an early stage. Readers should learn to draw the right conclusions from the simulation results and to develop their own solutions.

  • Laser Sintering with Plastics

    Technology, Processes, and Materials
    • 2nd Edition
    • Manfred Schmid
    • English
    Powder bed-based additive manufacturing with polymers (PBF-P) has a special position in the world of 3D printing. On the one hand, the components are manufactured without support structures, and on the other hand, the property profile of the components is similar to that of series components, as is also known from injection molding, but with clear advantages in terms of component complexity.In laser sintering (LS), individual component layers are fused with the aid of suitable laser radiation. In recent years, LS components have gained widespread use in industrial applications, so that today one can already speak of an established technology. Nevertheless, there are still many hurdles for LS to overcome in the future in order to free itself from the status of a niche technology. Material diversity and industry-compliant, quality-assurance measures are among the challenges to be mentioned here.To this end, the second edition of this book sheds light on the current state of the art in terms of machine technology and process flow, and specifically on the requirements for the materials used. In addition, the following topics are presented:- Implementation of LS in industrial process chains- Status of international standardization- Innovations in the field of LS materials- Properties of LS components- Selected application examplesThe second edition has been updated throughout; in particular, the material and machine specifications have been extensively revised.

  • Designing Plastic Parts for Assembly

    • 10th Edition
    • Paul A. Tres
    • English
    For 30 years, "Designing Plastic Parts for Assembly" has been the definitive guide for both seasoned part designers and novices to the field, facilitating cost-effective design decisions and ensuring that the plastic parts and products will stand up under use. The detailed yet simplified discussion of material selection, manufacturing techniques, and assembly procedures enables the reader to evaluate plastic materials and design plastic parts with confidence. Good joint design and implementation, the geometry and nature of the component parts, the types of load involved, and other fundamental information necessary for a successful outcome are all included. Throughout, the treatment is practice-oriented and focused on everyday problems and situations. The 10th edition includes an extensive revision of the chapter on welding techniques for plastics, including a new subchapter on hot gas welding. There are also many more minor updates, improvements, and corrections throughout.

  • Applications of Biomass-Derived Materials for Bioproducts and Bioenergy

    • 1st Edition
    • Farid Chejne Janna + 2 more
    • English
    This book offers a unique overview of usage of biomass, biomaterials, and bioproducts, including biopolymers. Included are materials, processes, usage as an energy source, and, particularly, applications. It is intended to educate both professionals and graduate students, who typically must acquire knowledge outside of traditional academic disciplines to gain an appreciation of these systems. While the growing need for renewable energy can be satisfied from other renewable sources, biomass is our only real source of a renewable carbon base chemicals and fuels. More and more companies are becoming aware moving toward using these materials, investment in new technology based on renewable resources to develop their businesses in a sustainable way. Despite this, few scientists and engineers have been appropriately trained to work in the interdisciplinary field of biomass economy. Traditional academic disciplines are not well organized to train engineers and scientists to develop new bio-refinery concepts and bio-based products (including bio-based polymers) in industry, nor to develop and integrate pathways to convert biomass into other forms of energy and useful products. The integration of old and new pathways to satisfy global and local markets is the basic skill required to create new biomass processing alternatives. This book is written to fill this gap.

  • Automotive High Speed Communication Technologies

    SerDes and Ethernet for Sensor and Display Applications
    • 1st Edition
    • Kirsten Matheus + 1 more
    • English
    The demands for processing power, software, and communication are continuously increasing; in all industries and also in the automotive one. In vehicles, the need for higher data rates is driven by more electronic functions in general, but especially by ever more potent (camera) sensors, displays, and high performance ECUs. This book provides a holistic view on new SerDes and Ethernet high-speed communication solutions for cars. It addresses core physical components such as cables, connectors, or PCB design, as well as physical layer processing, use-case-specific protocols, and the use cases as such. It is important to the authors not only to explain the technologies, but also to provide context and background in respect to various technical choices. The intent is to help readers understand the current eco-system end-to-end, whether they are new to the automotive industry or experts who want to deepen their understanding on specific items, whether they are working for a car manufacturer directly or any of the suppliers, whether they are already involved or evaluating to get involved. This is the first book to address the following topics:- the >10 Gbps Automotive Ethernet technologies IEEE 802.3cy and IEEE 802.3cz- asymmetric Ethernet- the new automotive SerDes Standard, the ASA Motion Link- the MIPI Automotive SerDes Solutions ( MASS )- power supply over coaxial data cables- design for testability in an automotive context

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