Analyzing and Troubleshooting Single Screw Extruders

Analyzing and Troubleshooting Single Screw Extruders
Author: Gregory A. Campbell,Mark A. Spalding
Publsiher: Carl Hanser Verlag GmbH Co KG
Total Pages: 800
Release: 2013-04-04
ISBN 10: 3446432663
ISBN 13: 9783446432666
Language: EN, FR, DE, ES & NL

Analyzing and Troubleshooting Single Screw Extruders Book Review:

Prior extrusion books are based on barrel rotation physics—this is the first book that focuses on the actual physics of the process—screw rotation physics. In the first nine chapters, theories and math models are developed. Then, these models are used to solve actual commercial problems in the remainder of the book. Realistic case studies are presented that are unique in that they describe the problem as viewed by a typical plant engineer and provide the actual dimensions of the screws. Overall, there is not a book on the market with this level of detail and disclosure. The new knowledge in this book will be highly useful for production engineers, technical service engineers working with customers, consultants specializing in troubleshooting and process design, and process researchers and designers that are responsible for processes that running at maximum rates and maximum profitability. Contents: o Introduction & Troubleshooting o Polymer Materials o Introduction to Polymer Rheology for Extrusion o Resin Physical Properties Related to Processing o Solids Conveying o The Melting Process o Fluid Flow in Metering Channels o Mixing Processes for Single-Screw Extruders o Scaling of Single-Screw Extrusion Processes o Introduction to Troubleshooting the Extrusion Process o Contaminations in the Finished Product o Flow Surging o Rate-Limited Extrusion Processes o Barrier and High-Performance Screws o Melt-Fed Extruders

Analyzing and Troubleshooting Single Screw Extruders

Analyzing and Troubleshooting Single Screw Extruders
Author: Gregory A. Campbell,Mark A. Spalding
Publsiher: Unknown
Total Pages: 864
Release: 2021-01-05
ISBN 10: 9781569907849
ISBN 13: 1569907846
Language: EN, FR, DE, ES & NL

Analyzing and Troubleshooting Single Screw Extruders Book Review:

Prior extrusion books are based on barrel rotation physics--this is the first book that focuses on the actual physics of the process--screw rotation physics. In the first nine chapters, theories and math models are developed. Then, these models are used to solve actual commercial problems in the remainder of the book. Realistic case studies are presented that are unique in that they describe the problem as viewed by a typical plant engineer and provide the actual dimensions of the screws. Overall, there is not a book on the market with this level of detail and disclosure. The new knowledge in this book will be highly useful for production engineers, technical service engineers working with customers, consultants specializing in troubleshooting and process design, and process researchers and designers that are responsible for processes that running at maximum rates and maximum profitability. The second edition is brought up to date with a significant amount of new content, as well as minor improvements and correction of errors throughout.The new content includes transfer lines, percolation theory, fillers, and several more case studies.

Extrusion

Extrusion
Author: Harold F. Giles Jr,John R. Wagner, Jr.,Eldridge M. Mount
Publsiher: William Andrew
Total Pages: 636
Release: 2013-09-21
ISBN 10: 1437734820
ISBN 13: 9781437734829
Language: EN, FR, DE, ES & NL

Extrusion Book Review:

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

Engineering Principles of Plasticating Extrusion

Engineering Principles of Plasticating Extrusion
Author: Zehev Tadmor,Imrich Klein
Publsiher: Krieger Publishing Company
Total Pages: 500
Release: 1978
ISBN 10:
ISBN 13: PSU:000009060043
Language: EN, FR, DE, ES & NL

Engineering Principles of Plasticating Extrusion Book Review:

Extrusion of Polymers

Extrusion of Polymers
Author: Chan I. Chung
Publsiher: Carl Hanser Verlag GmbH Co KG
Total Pages: 488
Release: 2019-10-07
ISBN 10: 1569907382
ISBN 13: 9781569907382
Language: EN, FR, DE, ES & NL

Extrusion of Polymers Book Review:

The author presents single-screw extrusion technology together with the relevant polymer fundamentals, with an emphasis on screw design. The presentation begins on a physical level, providing an in-depth conceptual understanding, followed by an analytical level with mathematical models. Practical applications of the mathematical models are illustrated by numerous examples. A brief description of twin-screw extrusion technology is also presented. New in the third edition: a novel patented barrier screw design that eliminates shortcomings of all previous barrier screw designs, more descriptive specific screw design guidelines, a scientifically designed pineapple mixing section, and general improvements and corrections. Contents: • Physical Description of Single-Screw Extrusion • Fundamentals of Polymers and Melt Rheology • Theories of Single-Screw Extrusion and Scale-Up • Screw Design and High Performance Screws • Gear Pumps, Static Mixers, and Dynamic Mixers • Die Design • Viscoelastic Effects in Melt Flow • Special Single-Screw Extruder with Channeled Barrel • Physical Description of Twin-Screw Extruders

Screw Extrusion

Screw Extrusion
Author: James Lindsay White
Publsiher: Unknown
Total Pages: 444
Release: 2003
ISBN 10: 9783446196247
ISBN 13: 3446196242
Language: EN, FR, DE, ES & NL

Screw Extrusion Book Review:

Screw extruders are the most important of all polymer processing machines There is a need for a comprehensive book on this subject. This book emphazises the understanding of the underlaying principles of screw extrusion, the design and behavior of screw based machines. It helps the enineer t optimize his equipment and enhance production rates. Contents: · Introduction · Fundamentals · Screw Extrusion Technology · Technology of Single Screw Extrusion with Reciprocating Screws · Single Screw Extruder Analysis and Design · Twin and Multiscrew Extrusion

Troubleshooting the Extrusion Process

Troubleshooting the Extrusion Process
Author: Maria del Pilar Noriega E.,Chris Rauwendaal
Publsiher: Carl Hanser Verlag GmbH Co KG
Total Pages: 366
Release: 2019-10-07
ISBN 10: 1569907765
ISBN 13: 9781569907764
Language: EN, FR, DE, ES & NL

Troubleshooting the Extrusion Process Book Review:

Troubleshooting extrusion problems is one of the most challenging tasks in extrusion operations, requiring a good understanding of the extrusion process and the material properties, good instrumentation, good analysis tools, and a systematic and logical approach. This book addresses all issues crucial in extrusion troubleshooting. Additionally, it includes industrial case studies, richly illustrated with photographs and photomicrographs, used to provide exemplary approaches to efficient problem analysis and problem solving. The interconnectivity between the different relevant knowledge areas such as materials engineering, processing technology, and product development is emphasized. This revised third edition comprises a very significant update, with a great deal of new content, especially focusing on additional case studies as well as new sections on collection and interpretation of extrusion process data, rotational rheometry, the smartphone, how screw design can affect extruder performance, melt temperature variation, recent research on automatic optimization of extruder barrel temperatures, process signal analysis using Fast Fourier Transform, among other topics.

Extruder Principles and Operation

Extruder Principles and Operation
Author: M.J. Stevens,Jose Covas
Publsiher: Springer Science & Business Media
Total Pages: 494
Release: 1995-10-31
ISBN 10: 9780412635908
ISBN 13: 0412635909
Language: EN, FR, DE, ES & NL

Extruder Principles and Operation Book Review:

Thoroughly updated since the publication of the first edition, with new chapters on die design for operators, solids conveying and melting and twin-screw extruders, this book bridges the gap between theoretical studies and the practical experience of the processor in the extrusion of thermoplastic polymers and rubbers. Theoretical discussions generally give little attention to practical considerations, such as the conflict between productivity and product quality. Here however the authors give a clear representation of the physical mechanisms on which so much of the polymer processing industry depends, followed by guidance on operational strategies and the likely effects in terms of output, quality, uniformity and stability. Practical information is given on start-up trials, scale-up, product changing, dismantling and cleaning. Supported by over 40 tables and 176 figures, Extruder Principles and Operation will provide commercial processors with a logical background based on theory and experience, which will help them to obtain the best performance from their equipment, to recognize its limitations and to face new problems with confidence.

Understanding Extrusion

Understanding Extrusion
Author: Chris Rauwendaal
Publsiher: Unknown
Total Pages: 251
Release: 2018-12-10
ISBN 10: 9781569906989
ISBN 13: 156990698X
Language: EN, FR, DE, ES & NL

Understanding Extrusion Book Review:

"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"--

Handbook of Industrial Polyethylene and Technology

Handbook of Industrial Polyethylene and Technology
Author: Mark A. Spalding,Ananda Chatterjee
Publsiher: John Wiley & Sons
Total Pages: 1410
Release: 2017-10-12
ISBN 10: 1119159784
ISBN 13: 9781119159780
Language: EN, FR, DE, ES & NL

Handbook of Industrial Polyethylene and Technology Book Review:

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 Extrusion

Polymer Extrusion
Author: Chris Rauwendaal
Publsiher: Carl Hanser Verlag GmbH Co KG
Total Pages: 950
Release: 2014-01-16
ISBN 10: 1569905398
ISBN 13: 9781569905395
Language: EN, FR, DE, ES & NL

Polymer Extrusion Book Review:

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 of Metals Polymers and Food Products

Extrusion of Metals  Polymers  and Food Products
Author: Sayyad Zahid Qamar
Publsiher: BoD – Books on Demand
Total Pages: 220
Release: 2018-02-28
ISBN 10: 9535138375
ISBN 13: 9789535138372
Language: EN, FR, DE, ES & NL

Extrusion of Metals Polymers and Food Products Book Review:

Extrusion is a very popular manufacturing process, especially because of its versatility in terms of materials and shapes. Representing the vast and multifaceted field of extrusion, this book contains write-ups on latest developments from experts in the field. Part (A) on Metal Extrusion contains chapters on spur gear manufacturing, stiff vacuum extrusion, and indirect extrusion for subsurface tubular expansion. Part (B) on Food and Polymer Extrusion includes chapters on extrusion cooking of functional foods, changes in nutritional properties in extrusion of cereals, physicochemical changes of starch in extrusion of corn flour, extruded aquaculture feed, optimal design of polymer extrusion dies, and extrusion cooking technology for food products.

Mixing in Single Screw Extrusion

Mixing in Single Screw Extrusion
Author: Martin Gale
Publsiher: Smithers Rapra Technology
Total Pages: 300
Release: 2009
ISBN 10: 9781847351296
ISBN 13: 1847351298
Language: EN, FR, DE, ES & NL

Mixing in Single Screw Extrusion Book Review:

Extrusion is used for about half of all plastics product manufacture, mostly using single screw extruders. Very often part of their role is the incorporation of one or more of a very wide range of additives, mainly in the form of masterbatches. These range from very visible colours to the invisible traces of anti-block and slip additives. There are also continuing pressures to improve overall economics and these require increased mixing performance in many cases. The situation that mixing in conventional single screw extruders can easily be sub-standard for the application is illustrated in the book's first chapter which describes a number of real examples of inadequate mixing. The book explains why these typical shortcomings occur and the application of mixing principles plus various practical approaches to eliminating such problems. With the growing pressures to increase the amount of plastics recycling, both the limitations and success in blending the mainly incompatible polymer combinations are explained. The development of 'add-on' cavity mixers and floating ring mixers, together with their methodology are described, whilst the associated innovative techniques using liquid injection of colours, tackifiers, lubricants, crosslinking agents and foaming agents, (particularly carbon dioxide) are included. Developments in controlled levels of blending by 'chaotic mixing' to produce products with very specific properties such as barrier films is briefly described. Extrusion tests for carbon black dispersion are included and the book concludes with a practical guide to the preparation of microtomed plastics specimens for evaluation by optical microscopy.

Extrusion

Extrusion
Author: Harold F. Giles Jr,Eldridge M. Mount III,John R. Wagner, Jr.
Publsiher: William Andrew
Total Pages: 560
Release: 2004-12-31
ISBN 10: 0815517114
ISBN 13: 9780815517115
Language: EN, FR, DE, ES & NL

Extrusion Book Review:

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.

Polymer Extrusion

Polymer Extrusion
Author: Pierre G. Lafleur,Bruno Vergnes
Publsiher: John Wiley & Sons
Total Pages: 352
Release: 2014-05-09
ISBN 10: 1118827171
ISBN 13: 9781118827178
Language: EN, FR, DE, ES & NL

Polymer Extrusion Book Review:

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.

Hot Melt Extrusion

Hot Melt Extrusion
Author: Dennis Douroumis
Publsiher: John Wiley & Sons
Total Pages: 400
Release: 2012-04-24
ISBN 10: 1118307879
ISBN 13: 9781118307878
Language: EN, FR, DE, ES & NL

Hot Melt Extrusion Book Review:

Hot-melt extrusion (HME) - melting a substance and forcing it through an orifice under controlled conditions to form a new material - is an emerging processing technology in the pharmaceutical industry for the preparation of various dosage forms and drug delivery systems, for example granules and sustained release tablets. Hot-Melt Extrusion: Pharmaceutical Applications covers the main instrumentation, operation principles and theoretical background of HME. It then focuses on HME drug delivery systems, dosage forms and clinical studies (including pharmacokinetics and bioavailability) of HME products. Finally, the book includes some recent and novel HME applications, scale -up considerations and regulatory issues. Topics covered include: principles and die design of single screw extrusion twin screw extrusion techniques and practices in the laboratory and on production scale HME developments for the pharmaceutical industry solubility parameters for prediction of drug/polymer miscibility in HME formulations the influence of plasticizers in HME applications of polymethacrylate polymers in HME HME of ethylcellulose, hypromellose, and polyethylene oxide bioadhesion properties of polymeric films produced by HME taste masking using HME clinical studies, bioavailability and pharmacokinetics of HME products injection moulding and HME processing for pharmaceutical materials laminar dispersive & distributive mixing with dissolution and applications to HME technological considerations related to scale-up of HME processes devices and implant systems by HME an FDA perspective on HME product and process understanding improved process understanding and control of an HME process with near-infrared spectroscopy Hot-Melt Extrusion: Pharmaceutical Applications is an essential multidisciplinary guide to the emerging pharmaceutical uses of this processing technology for researchers in academia and industry working in drug formulation and delivery, pharmaceutical engineering and processing, and polymers and materials science. This is the first book from our brand new series Advances in Pharmaceutical Technology. Find out more about the series here.

Extrusion Cooking Techniques

Extrusion Cooking Techniques
Author: Leszek Moscicki
Publsiher: John Wiley & Sons
Total Pages: 234
Release: 2011-01-11
ISBN 10: 352763410X
ISBN 13: 9783527634101
Language: EN, FR, DE, ES & NL

Extrusion Cooking Techniques Book Review:

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

Pharmaceutical Extrusion Technology Second Edition

Pharmaceutical Extrusion Technology  Second Edition
Author: Isaac Ghebre-Sellassie,Charles E. Martin,Feng Zhang,James DiNunzio
Publsiher: CRC Press
Total Pages: 413
Release: 2018-03-05
ISBN 10: 1351129007
ISBN 13: 9781351129008
Language: EN, FR, DE, ES & NL

Pharmaceutical Extrusion Technology Second Edition Book Review:

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.

Extrusion in Ceramics

Extrusion in Ceramics
Author: Frank Händle
Publsiher: Springer Science & Business Media
Total Pages: 413
Release: 2009-08-12
ISBN 10: 9783540271000
ISBN 13: 3540271007
Language: EN, FR, DE, ES & NL

Extrusion in Ceramics Book Review:

Frank Handle ̈ 1.1 What to Expect For some time now, I have been toying around with the idea of writing a book about “Ceramic Extrusion”, because to my amazement I have been unable to locate a single existing, comprehensive rundown on the subject – much in contrast to, say, plastic extrusion and despite the fact that there are some outstanding contributions to be found about certain, individual topics, such as those in textbooks by Reed [1], Krause [2], Bender/Handle ̈ [3] et al. By way of analogy to Woody Allen’s wonderfully ironic movie entitled “Eve- thing You Always Wanted to Know about Sex”, I originally intended to call this book “Everything You Always Wanted to Know about Ceramic Extrusion”, but - ter giving it some extra thought, I eventually decided on a somewhat soberer title. Nevertheless, my companion writers and I have done our best – considering our target group and their motives – not to revert to the kind of jargon that people use when they think the less understandable it sounds, the more scienti c it appears. This book addresses all those who are looking for a lot or a little general or selective information about ceramic extrusion and its sundry aspects. We realize that most of our readers will not be perusing this book just for fun or out of intellectual curiosity, but because they hope to get some use out of it for their own endeavours.

Thermoplastic Starch

Thermoplastic Starch
Author: Leon Janssen,Leszek Moscicki
Publsiher: John Wiley & Sons
Total Pages: 255
Release: 2009-09-03
ISBN 10: 9783527628223
ISBN 13: 3527628223
Language: EN, FR, DE, ES & NL

Thermoplastic Starch Book Review:

This first book on this new green material collates all the information hitherto scattered in journal articles and on websites, thus meeting the application-oriented needs of the reader. The contents stretch between many important areas, such as production and applications of biopolymeric material, fundamental knowledge and practical applications, and includes valuable experimental case studies, which can be directly used in industrial practice. All the data satisfies EU environmental regulations, which are the most stringent worldwide.