November 29, 2020

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Specialized Injection Molding Techniques

Specialized Injection Molding Techniques
Author : Hans-Peter Heim
Publisher : William Andrew
Release Date : 2015-11-02
Category : Technology & Engineering
Total pages :262
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Special Injection Molding Techniques covers several techniques used to create multicomponent products, hollow areas, and hard-soft combinations that cannot be produced with standard injection molding processes. It also includes information on the processing techniques of special materials, including foaming agents, bio-based materials, and thermosets. The book describes the most industrially relevant special injection molding techniques, with a detailed focus on understanding the basics of each technique and its main mechanisms, i.e., temperature, mold filling, bonding, residual stresses, and material behavior, also providing an explanation of process routes and their variants, and discussions of the most influencing process parameters. As special molding technologies have the potential to transform plastics processing to a highly-efficient, integrated type of manufacturing, this book provides a timely survey of these technologies, putting them into context, accentuating new opportunities, and giving relevant information on processing. Provides information about the basics needed for understanding several special injection molding techniques, including flow phenomena, bonding mechanisms, and thermal behavior Covers the basics of each technique and its main mechanisms, i.e., temperature, mold filling, bonding, residual stresses, and material behavior Discusses the most relevant processing parameters for each injection molding technique Presents a variety of techniques, including gas and water assisted injection molding, multi component injection molding, hybrid injection molding, injection molding of bio-based materials, and techniques for thermoset

Specialized Molding Techniques

Specialized Molding Techniques
Author : Hans-Peter Heim,H. Potente
Publisher : Cambridge University Press
Release Date : 2008-12-05
Category : Technology & Engineering
Total pages :350
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A surge of new molding technologies is transforming plastics processing and material forms to the highly efficient, integrated manufacturing that will set industry standards in the early years of this century. This book is a survey of these technologies, putting them into context and accentuating opportunities. The relations among these technologies are analyzed in terms of products, materials, processing, and geometry.

The Complete Technology Book on Plastic Extrusion, Moulding And Mould Designs

The Complete Technology Book on Plastic Extrusion, Moulding And Mould Designs
Author : NIIR Board of Consultants and Engineers
Publisher : ASIA PACIFIC BUSINESS PRESS Inc.
Release Date : 2006-10-01
Category :
Total pages :496
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Plastics extrusion is a high volume manufacturing process in which raw plastic material is melted and formed into a continuous profile. Extrusion produces items such as pipe/tubing, weather stripping, fence, deck railing, window frames, adhesive tape and wire insulation. There are fundamentally two different methods of extruding film, namely, below extrusion and slit die extrusion. The design and operation of the extruder up to the die is the same for both methods. The moulding process is one of the most important plastic processing operations. It is an important commercial process whereby a resinous polymeric compound is converted into useful finished articles. The origin of this process is dates back about a century to the invention of a plunger type machine. The mould has its own importance, which give the required shapes of the products. The vast growth of injection moulding is reflected dramatically in many types and sizes of equipment available today. Plastic moulding especially thermoplastic items may be produced by compression moulding methods, but since they are soft at the temperature involved, it is necessary to cool down the mould before they may be ejected. Injection moulding differs from compression moulding is that the plastic material is rendered fluid in a separate chamber or barrel, outside the mould is then forced into the mould cavity by external pressure. Plastic technology is one of the most vigorous manufacturing branches, characterised by new raw materials, changing requirements, and continuous development in processing methods. The injection moulding machines manufacturers plays an important part in the creation of injection moulding technology, process control, to essential mechanical engineering. Even though design is a specialized phase in engineering field, in tool and mould engineering it is totally divided into two wings as product design and tool and die design. This book basically deals with transport phenomena in polymer films, reinforcements for thermosets, miscellaneous thermoset processes, injection molding, blow molding, extrusion, basic principles of injection moulding, correct injection speed is necessary for filling the mould, plastic melt should not suffer degradation, the mould must be controlled for better quality product, logical consideration of moulding profile and material is important than standard setting guide lines, economical setting of the machine, proper maintenance of machine;, safety operations., preliminary checking for moulding, material, component, mould, machine, injection moulding technique, the various type of injection moulding machines, specifications, platen mounting of moulds, locating spigots, mould clamping, etc. The book covers manufacturing processes of extruded and moulded products with the various mould designs. This is very useful book for new entrepreneurs, technocrats, researchers, libraries etc.

Injection Molding Handbook

Injection Molding Handbook
Author : Dominick V. Rosato,Donald V. Rosato,Marlene G. Rosato
Publisher : Springer Science & Business Media
Release Date : 2000
Category : Science
Total pages :1457
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Provides reference information concerning the injection molding operation and each of its aspects. It examines considerable technological advancements, especially those in computer methods, that have been made since the second edition was published.

Processing-Structure-Properties Relationships in Polymers

Processing-Structure-Properties Relationships in Polymers
Author : Roberto Pantani
Publisher : MDPI
Release Date : 2019-12-05
Category : Science
Total pages :400
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This collection of research and review papers is aimed at depicting the state of the art on the possible correlations between processing variables, obtained structure and special properties which this structure induces on the plastic part. The extraordinary capacity of plastics to modify their properties according to a particular structure is evidenced for several transformation processes and for many applications. The final common goal is to take profit of this peculiar capacity of plastics by inducing, through a suitable processing, a specific spatial organization.

ARBURG Practical Guide to Injection Moulding

ARBURG Practical Guide to Injection Moulding
Author : Vannessa Goodship
Publisher : Smithers Rapra
Release Date : 2017-02-27
Category : Science
Total pages :380
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This book details the factors involved in the injection moulding process, from material properties and selection to troubleshooting faults, and includes the equipment types currently in use and machine settings for different types of plastics. Material flow is a critical parameter in moulding and there are sections covering rheology and viscosity. High temperature is also discussed as it can lead to poor quality mouldings due to material degradation.The text is supported by 74 tables, many of which list key properties and processing parameters, and 233 figures; there are also many photographs of machinery and mouldings to illustrate key points. Troubleshooting flow charts are also included to indicate what should be changed to resolve common problems.Injection moulding in the Western World is becoming increasingly competitive as the manufacturing base for many plastic materials has moved to the East. Thus, Western manufacturers have moved into more technically difficult products and mouldings to provide enhanced added value and maintain market share. Technology is becoming more critical, together with innovation and quality control. There is a chapter on advanced processing in injection moulding covering multimaterial and assisted moulding technologies. This guide will help develop good technical skills and appropriate processing techniques for the range of plastics and products in the marketplace.Every injection moulder will find useful information in this text, in addition, this book will be of use to experts looking to fill gaps in their knowledge base as well as those new to the industry.ARBURG has been manufacturing injection moulding machines since 1954 and is one of the major global players. The company prides itself on the support offered to clients, which is exemplified in its training courses. This book is based on some of the training material and hence is based on years of experience.

Computer Modeling for Injection Molding

Computer Modeling for Injection Molding
Author : Huamin Zhou
Publisher : John Wiley & Sons
Release Date : 2013-03-04
Category : Science
Total pages :397
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This book covers a wide range of applications and uses of simulation and modeling techniques in polymer injection molding, filling a noticeable gap in the literature of design, manufacturing, and the use of plastics injection molding. The authors help readers solve problems in the advanced control, simulation, monitoring, and optimization of injection molding processes. The book provides a tool for researchers and engineers to calculate the mold filling, optimization of processing control, and quality estimation before prototype molding.

Handbook of Metal Injection Molding

Handbook of Metal Injection Molding
Author : Donald F Heaney
Publisher : Woodhead Publishing
Release Date : 2018-11-01
Category : Technology & Engineering
Total pages :704
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Metal injection molding combines the most useful characteristics of powder metallurgy and plastic injection molding to facilitate the production of small, complex-shaped metal components with outstanding mechanical properties. Handbook of Metal Injection Molding, Second Edition provides an authoritative guide to this important technology and its applications. Building upon the success of the first edition, this new edition includes the latest developments in the field and expands upon specific processing technologies. Part one discusses the fundamentals of the metal injection molding process with chapters on topics such as component design, important powder characteristics, compound manufacture, tooling design, molding optimization, debinding, and sintering. Part two provides a detailed review of quality issues, including feedstock characterisation, modeling and simulation, methods to qualify a MIM process, common defects and carbon content control. Special metal injection molding processes are the focus of part three, which provides comprehensive coverage of micro components, two material/two color structures, and porous metal techniques, as well as automation of the MIM process and metal injection molding of large components. Finally, part four explores metal injection molding of particular materials, and has been expanded to include super alloys, carbon steels, precious metals, and aluminum. With its distinguished editor and expert team of international contributors, the Handbook of Metal Injection Molding is an essential guide for all those involved in the high-volume manufacture of small precision parts, across a wide range of high-tech industries such as microelectronics, biomedical and aerospace engineering. Provides an authoritative guide to metal injection molding and its applications Discusses the fundamentals of the metal injection molding processes and covers topics such as component design, important powder characteristics, compound manufacture, tooling design, molding optimization, debinding, and sintering Comprehensively examines quality issues such as feedstock characterization, modeling and simulation, common defects and carbon content control

Magnesium Injection Molding

Magnesium Injection Molding
Author : Frank Czerwinski
Publisher : Springer Science & Business Media
Release Date : 2007-12-07
Category : Technology & Engineering
Total pages :592
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The objective of this book, being the first one on magnesium injection molding, is to treat both the scientific background and the technological aspects as they are understood at present. All aspects of material development, manufacturing and engineering are covered. The book provides a single source of information covering the interdisciplinary field of net shape forming of magnesium alloys. It reflects a unique blend of science and industrial practice.

Injection Molding Handbook

Injection Molding Handbook
Author : Donald V. Rosato,D.V. Rosato
Publisher : Springer
Release Date : 1995
Category : Technology & Engineering
Total pages :1145
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This is an extensively revised and reorganized edition of the acknowledged standard work in the field of injection molding.

Handbook of Industrial Polyethylene and Technology

Handbook of Industrial Polyethylene and Technology
Author : Mark A. Spalding,Ananda Chatterjee
Publisher : John Wiley & Sons
Release Date : 2017-10-26
Category : Technology & Engineering
Total pages :1410
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This handbook provides an exhaustive description of polyethylene. The 50+ chapters are written by some of the most experienced and prominent authors in the field, providing a truly unique view of polyethylene. The book starts with a historical discussion on how low density polyethylene was discovered and how it provided unique opportunities in the early days. New catalysts are presented and show how they created an expansion in available products including linear low density polyethylene, high density polyethylene, copolymers, and polyethylene produced from metallocene catalysts. With these different catalysts systems a wide range of structures are possible with an equally wide range of physical properties. Numerous types of additives are presented that include additives for the protection of the resin from the environment and processing, fillers, processing aids, anti-fogging agents, pigments, and flame retardants. Common processing methods including extrusion, blown film, cast film, injection molding, and thermoforming are presented along with some of the more specialized processing techniques such as rotational molding, fiber processing, pipe extrusion, reactive extrusion, wire and cable, and foaming processes. The business of polyethylene including markets, world capacity, and future prospects are detailed. This handbook provides the most current and complete technology assessments and business practices for polyethylene resins.

Polymer Science and Engineering

Polymer Science and Engineering
Author : National Research Council,Division on Engineering and Physical Sciences,Commission on Physical Sciences, Mathematics, and Applications,Committee on Polymer Science and Engineering
Publisher : National Academies Press
Release Date : 1994-01-01
Category : Technology & Engineering
Total pages :192
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Polymers are used in everything from nylon stockings to commercial aircraft to artificial heart valves, and they have a key role in addressing international competitiveness and other national issues. Polymer Science and Engineering explores the universe of polymers, describing their properties and wide-ranging potential, and presents the state of the science, with a hard look at downward trends in research support. Leading experts offer findings, recommendations, and research directions. Lively vignettes provide snapshots of polymers in everyday applications. The volume includes an overview of the use of polymers in such fields as medicine and biotechnology, information and communication, housing and construction, energy and transportation, national defense, and environmental protection. The committee looks at the various classes of polymers--plastics, fibers, composites, and other materials, as well as polymers used as membranes and coatings--and how their composition and specific methods of processing result in unparalleled usefulness. The reader can also learn the science behind the technology, including efforts to model polymer synthesis after nature's methods, and breakthroughs in characterizing polymer properties needed for twenty-first-century applications. This informative volume will be important to chemists, engineers, materials scientists, researchers, industrialists, and policymakers interested in the role of polymers, as well as to science and engineering educators and students.

Materials Forming, Machining and Post Processing

Materials Forming, Machining and Post Processing
Author : Kapil Gupta
Publisher : Springer
Release Date : 2019-06-27
Category : Technology & Engineering
Total pages :268
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This book provides a detailed understanding of various forming, machining, and post processing techniques. Working principle, process mechanism, salient features and latest developments are primarily focused. It presents some basic and specialized processes to produce quality engineered parts. This book also incorporates some investigations on modelling, simulation and optimization of the aforementioned processes to improve quality and performance, productivity, and sustainability.

Injection Molding

Injection Molding
Author : Anonim
Publisher : Unknown
Release Date : 1986
Category : Injection molding of plastics
Total pages :155
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Gas-assist Injection Molding

Gas-assist Injection Molding
Author : Jack Avery
Publisher : Hanser Gardner Publications
Release Date : 2001
Category : Technology & Engineering
Total pages :203
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This book is intended as a description of modern molding simulation technology for users and researchers. The book tries to be self contained and provides the major technologies used and assumptions made by commercial codes so as to provide a guide to users of limitations and a basis for further development. In the latter part of the book some ideas and approaches for improving simulation technology are provided. These are specifically aimed at fiber filled and semi-crystalline materials.