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  • A Practical Approach to Scientific Molding

    • 1st Edition
    • Gary F. Schiller
    • English
    This easy-to-understand guide provides the necessary information to implement a scientific molding program. It is a hands-on reference for people on the molding floor, including those previously lacking theoretical background or formal education. The book covers how the injection molding machine prepares the plastic and understanding of plastic flow. The functions of the main machine components are explained and understanding of correct procedures and testing is developed. Each step of the process is clearly explained in a step-by-step manner, and simple examples of important calculations are provided. The practical approach is augmented by useful guides for troubleshooting and machine set-up. An Excel spreadsheet with a process test and a machine performance test is available as bonus material.

  • Structure and Rheology of Molten Polymers

    From Structure to Flow Behavior and Back Again
    • 1st Edition
    • John Dealy + 2 more
    • English
    Recent advances in polymer science have made it possible to relate quantitatively molecular structure to rheological behavior. At the same time, new methods of synthesis and characterization allow the preparation and structural verification of samples having a range of branched polymeric structures. This book unites this knowledge to enable production of polymers with prescribed processability and end-product properties. Methods of polymer synthesis and characterization are described, starting from fundamentals. The foundations of linear viscoelasticity are introduced, and then the linear behavior of entangled polymers is described in detail. This is followed by a discussion of the molecular modeling of linear behavior. Tube models for both linear and branched polymers are presented. The final two chapters deal with nonlinear rheological behavior and tube models to describe nonlinearity. In this second edition, each chapter has been significantly rewritten to account for recent advances in experimental methods and theoretical modeling. It includes new and updated material on developments in polymer synthesis and characterization, computational algorithms for linear and nonlinear rheology prediction, measurement of nonlinear viscoelasticity, entanglement detection algorithms in molecular dynamics, nonlinear constitutive equations, and instabilities.

  • Robust Plastic Product Design

    • 1st Edition
    • Vikram Bhargava
    • English
    With 40+ years of experience, the author has gained a one-of-a-kind depth and breadth of knowledge of plastics. This book offers broad insight into the plastics industry, including tooling, molding, secondary operations, material selection, evaluation and testing, design, project management, costing, value engineering, and international supplier management and enhancement. As a recognized international trainer, Bhargava has a deep understanding of the strengths and weakness of people working in all aspects of plastics as well as the Six Sigma method for process improvement. The book is an essence of all the experience gained along the way—the good, the bad, and the ugly.This book is unique among the many other books available in the field in that it is the perspective of one who has been in the trenches—as opposed to an academician, scientist, or other professional in a field with very narrow scope, such as material science, tooling, or manufacturing.

  • Thermal Analysis in Practice

    • 1st Edition
    • Matthias Wagner
    • English
    Thermal analysis comprises a group of techniques used to determine the physical or chemical properties of a substance as it is heated, cooled, or held at constant temperature. It is particularly important for polymer characterization, but also has major application in analysis of pharmaceuticals and foodstuffs. This comprehensive handbook presents practical and theoretical aspects of the key techniques of DSC, TGA, TMA, DMA, and related methods. It also includes separate chapters on the glass transition, polymers, polymorphism, purity determination, and method development. The large number of practical examples included should inspire readers toward new ideas for applications in their own fields of work. The chapters are independent of one another and can be read individually in any desired order. Based on years of experience in thermal analysis of users, application specialists, consultants, and course instructors, this book provides practical help to newcomers, inexperienced users, and anyone else interested in the practical aspects of thermal analysis.

  • Understanding Polymer Processing

    Processes and Governing Equations
    • 2nd Edition
    • Tim A Osswald
    • English
    Understanding Polymer Processing 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 second edition is a chapter on additive manufacturing, together with associated examples, as well as updates and improvements throughout the book.

  • Die Design for Extrusion of Plastic Tubes and Pipes

    • 1st Edition
    • Sushil Kainth
    • English
    This book is a step-by-step guide to die design for tubes and pipes. It offers unique coverage of the topic from a highly practical perspective. Written for plastics processing and design engineers, technical and manufacturing managers, die designers and manufacturers. This comprehensive guide includes worked examples to illustrate problem solving and detailed drawings of complete dies for various applications. It covers mono- and multilayers pipes, as well as important melt flow variables (e.g., pressure drop, shear stress, shear rate, temperature variations, distribution variations) of key materials determined using FEM software.

  • Basic Polymer Engineering Data

    • 1st Edition
    • Natti S. Rao
    • English
    Much more than a data reference, this book uses numerous examples to show how to apply basic design data to solve practical problems in polymer engineering. It offers both resin and up-to-date machine design data in a concise format and shows how resin-compatible polymer processing equipment can be designed by using easily understandable computational procedures based on thermodynamics and rheology. Basic design data for resins (mechanical, thermal, rheological, electrical, and optical properties), machines, parts, and processes is complemented by demonstrations of how to apply this data for application in extrusion, blown film, thermoforming, and injection molding. It is designed for simplicity, and all calculations can be carried out with a handheld calculator. With a practical and time-saving approach to problem-solving in plastics processing—which in many cases negates the need for complex, expensive software or databases—this book is a handy tool for beginners, practicing engineers, students, instructors in the field of plastics technology, and scientists from other fields with an interest in polymer engineering.

  • Understanding Plastics Recycling

    • 1st Edition
    • Natalie Rudolph
    • English
    Understanding Plastics Recycling shows the true and often-underestimated market potential of plastics recycling, with analysis from economic, ecological, and technical perspectives. It is aimed at both technical and non-technical readers, including decision makers in material suppliers, plastic product manufacturers, governmental agencies, educators, and anyone with a general interest in plastics recycling. An overview of waste handling systems with a focus on the U.S. market is provided. Different methods of waste handling are compared from both economic and ecological perspectives. Since plastic waste recycling is essential from an ecological point of view, common strategies and new approaches to both increase the recycling rate and improve recycling economically and technically are presented. This includes processing and material properties of recycled plastics. Finally, a worldwide outlook of plastic recycling is provided with analysis of additional worldwide markets, encompassing highly developed, fast-developing, and less developed countries.

  • Polymer Processing

    Principles and Modelling
    • 1st Edition
    • Jean-François Agassant + 4 more
    • English
    Engineering of polymers is not an easy exercise: with evolving technology, it often involves complex concepts and processes. This book is intended to provide the theoretical essentials: understanding of processes, a basis for the use of design software, and much more. The necessary physical concepts such as continuum mechanics, rheological behavior and measurement methods, and thermal science with its application to heating-cooling problems and implications for flow behavior are analyzed in detail. This knowledge is then applied to key processing methods, including single-screw extrusion and extrusion die flow, twin-screw extrusion and its applications, injection molding, calendering, and processes involving stretching. With many exercises with solutions offered throughout the book to reinforce the concepts presented, and extensive illustrations, this is an essential guide for mastering the art of plastics processing. Practical and didactic, Polymer Processing: Principles and Modeling is intended for engineers and technicians of the profession, as well as for advanced students in Polymer Science and Plastics Engineering.

  • Designing Plastic Parts for Assembly

    • 8th Edition
    • Paul A. Tres
    • English
    For over 22 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 8th edition introduces a completely new chapter on fasteners, including discussion and evaluation of thread forming and thread cutting screws, with accompanying examples. New case histories in the fields of elasticity and annular snap fits that illustrate the hazardous consequences of inadequate part design are also included.

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