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Extrusion

Extrusion
  • Author : Harold F. Giles Jr,John R. Wagner, Jr.,Eldridge M. Mount
  • Publisher :Unknown
  • Release Date :2013-09-21
  • Total pages :636
  • ISBN : 9781437734829
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Summary : The second edition of Extrusion is designed to aid operators, engineers, and managers in extrusion processing in quickly answering practical day-to-day questions. The first part of the book provides the fundamental principles, for operators and engineers, of polymeric materials extrusion processing in single and twin screw extruders. The next section covers advanced topics including troubleshooting, auxiliary equipment, and coextrusion for operators, engineers, and managers. The final part provides applications case studies in key areas for engineers such as compounding, blown film, extrusion blow molding, coating, foam, and reprocessing. This practical guide to extrusion brings together both equipment and materials processing aspects. It covers basic and advanced topics, for reference and training, in thermoplastics processing in the extruder. Detailed reference data are provided on such important operating conditions as temperatures, start-up procedures, shear rates, pressure drops, and safety. A practical guide to the selection, design and optimization of extrusion processes and equipment Designed to improve production efficiency and product quality Focuses on practical fault analysis and troubleshooting techniques

Extrusion

Extrusion
  • Author : Harold F. Giles Jr,Eldridge M. Mount III,John R. Wagner, Jr.
  • Publisher :Unknown
  • Release Date :2004-12-31
  • Total pages :560
  • ISBN : 9780815517115
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Summary : Why is it important to get to equilibrium and how long does it take? Are there problems running polypropylene profiles on a single screw extruder? Does the job involve compounding color concentrates on a corotating twin screw extruder? This unique reference work is designed to aid operators, engineers, and managers in quickly answering such practical day-to-day questions in extrusion processing. This comprehensive volume is divided into 7 Parts. It contains detailed reference data on such important operating conditions as temperatures, start-up procedures, shear rates, pressure drops, and safety. This reference is a practical guide to extrusion bringing together both the equipment and materials processing aspects. It provides basic and advanced topics about the thermoplastics processing in the extruder, for reference and training. Parts 1 û 3, emphasize the fundamentals, for operators and engineers, of polymeric materials extrusion processing in single and twin screw extruders. Parts 4 û 7 treat advanced topics including troubleshooting, auxiliary equipment, and coextrusion for operators, engineers, and managers. Extensive applications in Part 7 cover such contemporary areas as compounding, blown film, extrusion blow molding, coating, foam, and reprocessing. Each chapter includes review topics.

Extrusion Problems Solved

Extrusion Problems Solved
  • Author : M N Riaz,G J Rokey
  • Publisher :Unknown
  • Release Date :2011-11-09
  • Total pages :184
  • ISBN : 9780857095206
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Summary : Extrusion is widely used for the preparation of a variety of foodstuffs including breakfast cereals, snack food and pasta, as well as pet food and animal and aquaculture feed. Extrusion problems solved provides responses to more than 300 frequently asked questions about the process of food extrusion and the techniques and equipment involved, in a practical question-and-answer format. The book is divided into twelve chapters for ease of reference: the opening chapters concentrate on introductory queries and on different components of an extruder system, followed by two chapters that help the reader select the correct type of extruder for a product. Chapters five and six discuss the impact of factors such as protein content and particle size on the extrusion process, while the use of pre-conditioners is discussed in chapter seven. The latter part of the book discusses specific types of extruder and die and knife assemblies, followed by a chapter on issues relating to drying extruded food products. The final chapter offers practical guidelines and rules of thumb for the most common issues relating to food and feed extrusion. Written by two leading experts in the field, Extrusion problems solved is an essential reference source and troubleshooting guide for professionals working in food, pet food and feed extrusion. It will also be a valuable training resource for students of extrusion. Offers practical guidelines and rules of thumb for the most common food and feed extrusion problems Chapters concentrate on introductory queries, types of extruder and components of extruder systems, knife assemblies, the use of pre-conditioners and issues in drying extruded food products Provides responses to more than 300 frequently asked questions about the processes, equipment and techniques of food extrusion in a practical question-and-answer format

Aluminum Extrusion Technology

Aluminum Extrusion Technology
  • Author : Pradip K. Saha
  • Publisher :Unknown
  • Release Date :2000
  • Total pages :185
  • ISBN : 9781615032457
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Polymer Extrusion

Polymer Extrusion
  • Author : Chris Rauwendaal
  • Publisher :Unknown
  • Release Date :2014-01-16
  • Total pages :950
  • ISBN : 9781569905166
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Summary : Initially published "to bridge the gap between theory and practice in extrusion," this 5th edition of Polymer Extrusion continues to serve the practicing polymer engineer and chemist, providing the theoretical and the practical tools for successful extrusion operations. In its revised and expanded form, it also incorporates the many new developments in extrusion theory and machinery over the last years. Contents · Different Types of Extruders · Extruder Hardware · Instrumentation and Control · Fundamental Principles · Important Polymer Properties · Functional Process Analysis · Extruder Screw Design · Die Design · Twin Screw Extruders · Troubleshooting Extruders · Modeling and Simulation of the Extrusion Process

Extrusion

Extrusion
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :2006
  • Total pages :592
  • ISBN : 9781615032631
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Foam Extrusion

Foam Extrusion
  • Author : Shau-Tarng Lee
  • Publisher :Unknown
  • Release Date :2000-07-19
  • Total pages :368
  • ISBN : 1420014129
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Summary : Foam Extrusion: Principles and Practice combines the science of foam with the engineering of extrusion processes in one comprehensive volume, joining scientific principles and engineering practice. Starting with the fundamentals and then moving to phase separation, the text lays the scientific foundation in such a manner that the microscopic transition from a nucleus to a void (nucleation) and macroscopic movement from a void to an object (formation) are plausibly addressed. The last section of the book presents interesting foam extrusion developments, demonstrating how scientific findings can be applied to the engineering field, from principles to batch experimentation and continuous foaming. Each chapter concludes with a section of references for further study, and most include a nomenclature section and/or summary section as well. Drawing from the experience of the editor and the authors, Foam Extrusion: Principles and Practice captures the interesting evolution of foam extrusion, and offers a solid foundation for future developments. It is an informative guide for anyone involved with this field.

Pharmaceutical Extrusion Technology

Pharmaceutical Extrusion Technology
  • Author : Isaac Ghebre-Selassie,Charles Martin
  • Publisher :Unknown
  • Release Date :2003-05-14
  • Total pages :420
  • ISBN : 9780824755201
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Summary : Pharmaceutical Extrusion Technology is the only resource to provide in-depth descriptions and analyses of the key parameters of extruders and extrusion processes. The book highlights the applicability of melt extrusion in pharmaceutical drug development and product manufacturing, including controlled release, dissolution rate and bioavailability enhancement, and granulation technology. It brings together the technical information necessary to develop and market pharmaceutical dosage forms that meet current quality and regulatory requirements and details extruder hardware and controls, process definition and troubleshooting of single and twin screw extrusion processes, and more.

The Mechanics of Metal Extrusion

The Mechanics of Metal Extrusion
  • Author : William Johnson,Hideaki Kudō
  • Publisher :Unknown
  • Release Date :1962
  • Total pages :226
  • ISBN : 1230987654XX
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Developments in the European Extrusion Industry

Developments in the European Extrusion Industry
  • Author : R. Hudson
  • Publisher :Unknown
  • Release Date :1995
  • Total pages :183
  • ISBN : 1859570356
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Summary : This report provides the reader with not only a review of technology developments but also a consideration of end-use market factors.

Understanding Extrusion

Understanding Extrusion
  • Author : Chris Rauwendaal
  • Publisher :Unknown
  • Release Date :2018-12-10
  • Total pages :251
  • ISBN : 156990698X
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Summary : "The book provides a practical understanding of basic information on extrusion in a way useful to readers without an engineering degree as well as to those new to the field. It is primarily written for extruder operators, supervisors, technical service personnel, and process engineers. Designed for on-the-job use, it guides the reader step by step through material issues, machinery, processing, and troubleshooting. This revised and extended third edition now also covers interpretation of extrusion process data, analysis of shrink void formation, dimensional variation by melt temperature fluctuations, efficient extrusion, grooved barrel extruder technology, and more. Contents: Extrusion Machinery Instrumentation and Control Complete Extrusion Lines Plastics and Their Properties Important in Extrusion How an Extruder Works How to Run an Extruder How to Troubleshoot Extrusion Problems New Developments in Extrusion and Methods to Increase Efficiency"--

Extrusion Cooking

Extrusion Cooking
  • Author : Girish M. Ganjyal
  • Publisher :Unknown
  • Release Date :2020-07-25
  • Total pages :564
  • ISBN : 9780128153611
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Summary : Extrusion Cooking provides a detailed description of extrusion processing with an in-depth exploration of cereal grains processing. In particular, the book addresses the basic principles of extrusion processing, various extruder parts and their design principles, food ingredients and their characteristics as they relate to extrusion. It also discusses physicochemical changes in the different ingredient components as they are processed in an extruder, modeling and control of extrusion process, scale-up aspects, extrusion plant design, food safety in extrusion, new advancements in extrusion, and a look into the future of extrusion. This valuable text serves as a one-volume reference on extrusion processing for food industry professionals and students. Covers the engineering, chemistry, nutrition, and food safety aspects of extrusion cooking Presents both the fundamental and applied aspects of extrusion processing Details the extrusion of whole-grain, high-fiber, and high-protein foods Covers both expanded and texturized products Outlines extrusion processing of different ingredients Addresses new technologies that have expanded the extruder capabilities Analyzes new developments in the area of modeling of extrusion processing

Ultrasonic Extrusion

Ultrasonic Extrusion
  • Author : William B. Tarpley,Kenneth H. Yocom,Richard Pheasant
  • Publisher :Unknown
  • Release Date :1961
  • Total pages :66
  • ISBN : UOM:39015095026210
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Summary : Earlier work on the ultrasonic extrusion of lead and aluminum has been extended to the cold extrusion of plasticized ceramic compositions, resulting in significant improvements in increased extrusion rate (more than 100-fold), decreased extrusion pressure (2 to 10 fold), and in extruded specimen properties. It has also been found possible to extrude materials which are normally nonextrudable because of their low plasticizer or water content. Fused, ground alumina could be ultrasonically extruded with 15% less water than the minimum content without ultrasonics, and only 40 to 60% of that used in normal commercial practice. Significant improvement in the strength of as-extruded shapes, as well as reduced shrinkage and deformation in drying and firing, resulted. Compositions normally using 3 w/o ammonium alginate as a plasticizer can be extruded with 0.2 w/o plastizer when ultrasonically activated. It has been postulated that the ultrasonic effects observed are derived from reduction of surface friction, shear thinning of the thixotropic systems, particle orientation, surface-film rupture, and wetting phenomena. As-extruded specimen improvement was evidenced by a smoother surface and freedom from cracks, tearing, and peeling. When steel dies were used, abrasion of the die surface sometimes caused a superficially discolored surface in nonultrasonic extrusions. The comparable ultrasonic extrusions showed little or no discoloration as the ultrasonic power level was increased. Ultrasonically extruded specimens which were fired in the same kiln loading as their corresponding controls show small but consistent increases in fired density. Water absorption was approximately 75% of the control. The highest moduli of rupture in the fired specimens were found in the ultrasonic specimens even though these required only 25% of the extrusion pressure of the controls.

Reactive Extrusion

Reactive Extrusion
  • Author : Günter Beyer,Christian Hopmann
  • Publisher :Unknown
  • Release Date :2018-01-11
  • Total pages :432
  • ISBN : 9783527340989
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Summary : This first comprehensive overview of reactive extrusion technology for over a decade combines the views of contributors from both academia and industry who share their experiences and highlight possible applications and markets. They also provide updated information on the underlying chemical and physical concepts, summarizing recent developments in terms of the material and machinery used. As a result, readers will find here a compilation of potential applications for reactive extrusion to access new and cost-effective polymeric materials, while using existing compounding machines.

Extrusion of Aluminium Alloys

Extrusion of Aluminium Alloys
  • Author : T. Sheppard
  • Publisher :Unknown
  • Release Date :2013-03-09
  • Total pages :420
  • ISBN : 9781475730012
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Summary : In recent years the importance of extruded alloys has increased due to the decline in copper extrusion, increased use in structural applications, environmental impact and reduced energy consumption. There have also been huge technical advances. This text provides comprehensive coverage of the metallurgical, mathematical and practical features of the process.

Foam Extrusion

Foam Extrusion
  • Author : S.-T. Lee,Chul B. Park
  • Publisher :Unknown
  • Release Date :2014-04-07
  • Total pages :624
  • ISBN : 9781439898598
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Summary : Combining the science of foam with the engineering of extrusion processes, Foam Extrusion: Principles and Practice delivers a detailed discussion of the theory, design, processing, and application of degradable foam extraction. In one comprehensive volume, the editors present the collective expertise of leading academic, research, and industry specialists while laying the scientific foundation in such a manner that the microscopic transition from a nucleus to a void (nucleation) and macroscopic movement from a void to an object (formation) are plausibly addressed. To keep pace with significant improvements in foam extrusion technology, this Second Edition: Includes new chapters on the latest developments in processing/thermal management, rheology/melt strength, and biodegradable and sustainable foams Features extensive updates to chapters on extrusion equipment, blowing agents, polyethylene terephthalate (PET) foam, and microcellular innovation Contains new coverage of cutting-edge foaming mechanisms and technology, as well as new case studies, examples, and figures Capturing the interesting evolution of the field, Foam Extrusion: Principles and Practice, Second Edition provides scientists, engineers, and product development professionals with a modern, holistic view of foam extrusion to enhance research and development and aid in the selection of the optimal screw, die design, and foaming system.

Pharmaceutical Extrusion Technology

Pharmaceutical Extrusion Technology
  • Author : Isaac Ghebre-Sellassie,Charles E. Martin,Feng Zhang,James DiNunzio
  • Publisher :Unknown
  • Release Date :2018-03-05
  • Total pages :413
  • ISBN : 9781498704922
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Summary : The first edition of Pharmaceutical Extrusion Technology, published in 2003, was deemed the seminal book on pharmaceutical extrusion. Now it is expanded and improved, just like the usage of extrusion has expanded, improved and evolved into an accepted manufacturing technology to continuously mix active pharmaceutical ingredients with excipients for a myriad of traditional and novel dosage forms. Pharmaceutical Extrusion Technology, Second Edition reflects how this has spawned numerous research activities, in addition to hardware and process advancements. It offers new authors, expanded chapters and contains all the extrusion related technical information necessary for the development, manufacturing, and marketing of pharmaceutical dosage forms. Key Features: Reviews how extrusion has become an accepted technology to continuously mix active pharmaceutical ingredients with excipients Focuses on equipment and process technology Explains various extrusion system configurations as a manufacturing methodology for a variety of dosage forms Presents new opportunities available only via extrusion and future trends Includes contributions of experts from the process and equipment fields

Extrusion-Cooking Techniques

Extrusion-Cooking Techniques
  • Author : Leszek Moscicki
  • Publisher :Unknown
  • Release Date :2011-01-11
  • Total pages :234
  • ISBN : 9783527634101
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Summary : Offering an engineering perspective and the latest information on the application of this rapidly expanding technique, this practical book covers the technology, engineering, materials and products, as well as economic and ecological aspects. In addition to the theory, it also utilizes case studies that can easily be put into industrial practice. Each step of the process is discussed in terms of sustainability, and all data complies with the EU and FTA environmental regulations. Invaluable reading for food chemists and technologists, process engineers, chemists in industry, agricultural scientists, and chemical engineers. From the Contents: * Engineering Aspects of Extrusion * Raw Materials in the Production of Extrudates * Production of Breakfast Cereals, Snack Pellets, Baby Food and more * Extrusion Technique in Confectionery * Pet Food and Aquafeed * Extrusion-Cooking in Waste Management and Paper Pulp Processing * Thermoplastic Starch * Expanders * Process Automation * Scale-Up of Extrusion-Cooking in Single-Screw Extruders

Extrusion Processing Technology

Extrusion Processing Technology
  • Author : Jean-Marie Bouvier,Osvaldo H. Campanella
  • Publisher :Unknown
  • Release Date :2014-03-31
  • Total pages :536
  • ISBN : 9781118541722
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Summary : The only up-to-date book on this important technology, Extrusion Processing Technology: Food and Non-Food Biomaterials bridges the gap between the principles of extrusion science and the practical "know how" of operational engineers and technicians. Written by internationally renowned experts with over forty years of experience between them, this valuable reference for food scientists, food engineers, chemical engineers, and students includes coverage of new, greener technologies as well as case studies to illustrate the practical, real-world application of the principles in various settings.

Dynapak Extrusion of I & E Fuel Elements

Dynapak Extrusion of I & E Fuel Elements
  • Author : T. J. Graf,Q. C. Carloni,L. Lewis
  • Publisher :Unknown
  • Release Date :1962
  • Total pages :67
  • ISBN : UOM:39015086541243
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Summary :

Polymer Extrusion

Polymer Extrusion
  • Author : Pierre G. Lafleur,Bruno Vergnes
  • Publisher :Unknown
  • Release Date :2014-05-09
  • Total pages :352
  • ISBN : 9781118827178
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Summary : Extrusion is by far the most important and the oldest processing and shaping method for thermoplastic polymers. This process concerns almost all synthetic polymers, as well as elastomers or food materials. Single-screw extrusion is mainly used nowadays to manufacture finished goods or semi-finished products. More than 90 million tons of thermoplastics are therefore processed every year. Twin-screw extrusion may be divided into two systems: contra-rotating systems used within the context of PVC extrusion, for the manufacture of pipes or profiles; and co-rotating systems experiencing nowadays a very significant development, because of their significant adaptability and flexibility, which enables the manufacture of specific materials (polymer alloys, thermoplastic elastomers, filled polymers, nanocomposites). Extrusion is carried out by passing molten polymer through a tool called die that will give the product its final shape (films and sheets, rolled products, and electric cables). Thanks to the design of dies, we obtain at the output a product with controlled dimensions, uniform speeds and homogeneous temperatures. The book will discuss the same production types, but only in the case of coextrusion flows, i.e. multilayer stratified products. First of all, we will present in this book the physics of the mechanisms at stake, then propose more or less complex models in order to describe these mechanisms and then go forward in the interpretation of results and the control of condition flows.