Handbook of Molded Part Shrinkage and Warpage

Author: Jerry Fischer
Publisher: William Andrew
ISBN: 1455730572
Format: PDF, Docs
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How easy life would be if only moldings were the same size and shape as the mold. But they never are, as molders, toolmakers, designers and end users know only too well. Shrinkage means that the size is always different; warpage often changes the shape too. The effects are worse for some plastics than others. Why is that? What can you do about it? The Handbook of Molded Part Shrinkage and Warpage is the first and only book to deal specifically with this fundamental problem. Jerry Fischer’s Handbook explains in plain terms why moldings shrink and warp, shows how additives and reinforcements change the picture, sets out the effect of molding process conditions, and explains why you never can have a single ‘correct’ shrinkage value. It goes on to demonstrate how to alleviate the problem through careful design of the molded part and the mold, and by proper material selection. It also examines computer-aided methods of forecasting shrinkage and warpage. And most important of all, the Handbook gives you the data you need to work with. . Authoritative and rooted in extensive industrial experience, the expert guidance contained in this handbook offers practical understanding to novices, and new insights to readers already skilled in the art of injection molding and mold making. Contains the answers to common problems and detailed advice on how to control mold and post-mold shrinkage and warpage. Case Studies illustrate and enrich the text; Data tables provide the empirical data that is essential for success, but hard to come by.

Handbook of Molded Part Shrinkage and Warpage

Author: Jerry M. Fischer
Publisher:
ISBN: 9780815517573
Format: PDF, ePub, Mobi
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The handbook explains in plain terms why moldings shrink and warp, shows how additives and reinforcements change the picture, sets out the effect of molding process conditions, and tells why you never can have a single ""correct"" shrinkage value. But that's not all. The handbook shows how to alleviate the problem by careful design of the molded part and the mold and by proper material selection. It also examines computer-aided methods of forecasting shrinkage and warpage. And most important of all, the handbook gives you the data you need to work with. This is the most complete collection of shrinkage data ever made and includes an extensive compilation of hard-to-find multi-point information on how processing, part design, mold design, material and post mold treatment affect the part's final dimensions. Manufacturers' figures for thousands of grades, along with an exhaustive search of magazines, journals, conference papers, books, web sites and brochures combine to make this a powerful resource. A lot depends on a dimensionally correct molding. Quality, speed to market, profit margins for the molder and toolmaker, the efficiency of secondary and assembly operations, reputation; all these are on the line. The Mold Shrinkage and Warpage Handbook is the book for people who have to live with shrinkage and warpage. It is the only book for people who have to commit themselves.

DuBois and Pribble s plastics mold engineering handbook

Author: Eric L. Buckleitner
Publisher: Kluwer Academic Publishers
ISBN:
Format: PDF, ePub, Mobi
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Since 1946 Plastics Mold Engineering Handbook has been a valued reference for engineers involved in one of the fastest growing and changing areas of technology. The fifth edition continues the tradition by providing basic information on the aspects of plastics mould construction and the moulding processes that utilize moulds producing the multitude of plastic parts in production today. The handbook has been extensively revised to provide new information on methods, materials and means to meet the needs of today's moulders.

Injection Molding Handbook

Author: D.V. Rosato
Publisher: Springer Science & Business Media
ISBN: 1461545978
Format: PDF, Docs
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This third edition has been written to thoroughly update the coverage of injection molding in the World of Plastics. There have been changes, including extensive additions, to over 50% of the content of the second edition. Many examples are provided of processing different plastics and relating the results to critiCal factors, which range from product design to meeting performance requirements to reducing costs to zero-defect targets. Changes have not been made that concern what is basic to injection molding. However, more basic information has been added concerning present and future developments, resulting in the book being more useful for a long time to come. Detailed explanations and interpretation of individual subjects (more than 1500) are provided, using a total of 914 figures and 209 tables. Throughout the book there is extensive information on problems and solutions as well as extensive cross referencing on its many different subjects. This book represents the ENCYCLOPEDIA on IM, as is evident from its extensive and detailed text that follows from its lengthy Table of CONTENTS and INDEX with over 5200 entries. The worldwide industry encompasses many hundreds of useful plastic-related computer programs. This book lists these programs (ranging from operational training to product design to molding to marketing) and explains them briefly, but no program or series of programs can provide the details obtained and the extent of information contained in this single sourcebook.

Injection Molding

Author: Rong Zheng
Publisher: Springer Science & Business Media
ISBN: 9783642212635
Format: PDF, ePub
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This book covers fundamental principles and numerical methods relevant to the modeling of the injection molding process. As injection molding processing is related to rheology, mechanical and chemical engineering, polymer science and computational methods, and is a rapidly growing field, the book provides a multidisciplinary and comprehensive introduction to the subjects required for an understanding of the complex process. It addresses the up-to-date status of fundamental understanding and simulation technologies, without losing sight of still useful classical approaches. The main chapters of the book are devoted to the currently active fields of flow-induced crystallization and orientation evolution of fiber suspensions, respectively, followed by detailed discussion of their effects on mechanical property, shrinkage and warpage of injection-molded products. The level of the proposed book will be suitable for interested scientists, R&D engineers, application engineers, and graduate students in engineering.

SPI Plastics Engineering Handbook of the Society of the Plastics Industry Inc

Author: Michael L. Berins
Publisher: Springer Science & Business Media
ISBN: 1461576040
Format: PDF, Mobi
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I am pleased to present the Fifth Edition of the Plastics Engineering Handbook. Last published in 1976, this version of the standard industry reference on plastics processing incorporates the numerous revisions and additions necessitated by 14 years of activity in a dynamic industry. At that last printing, then-SPI President Ralph L. Harding, Jr. anticipated that plastics pro duction would top 26 billion pounds in 1976 (up from 1.25 billion in 1947, when the First Edition of this book was issued). As I write, plastics production in the United States had reached almost 60 billion pounds annually. Indeed, the story of the U.S. plastics industry always has been one of phenomenal growth and unparalleled innovation. While these factors make compilation of a book such as this difficult, they also make it necessary. Thus I acknowledge all those who worked to gather and relate the information included in this 1991 edition and thank them for the effort it took to make the Plastics Engineering Handbook a definitive source and invaluable tool for our industry. Larry L. Thomas President The Society of the Plastics Industry, Inc.

Injection Mold Design Engineering

Author: David O. Kazmer
Publisher: Carl Hanser Verlag GmbH Co KG
ISBN: 1569905711
Format: PDF, Kindle
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This book provides a structured methodology and scientific basis for engineering injection molds. The topics are presented in a top-down manner, beginning with introductory definitions and the big picture before proceeding to layout and detailed design of molds. The book provides very pragmatic analysis with worked examples that can be readily adapted to real-world product design applications. It will help students and practitioners to understand the inner workings of injection molds and encourage them to think outside the box in developing innovative and highly functional mold designs. This new edition has been extensively revised with new content that includes more than 80 new and revised figures and tables, coverage of development strategy, 3D printing, in-mold sensors, and practical worksheets, as well as a completely new chapter on the mold commissioning process, part approval, and mold maintenance.

Fluoroelastomers Handbook

Author: Jiri George Drobny
Publisher: William Andrew
ISBN: 0815517262
Format: PDF, Docs
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Fluoroelastomers Handbook: The Definitive User's Guide and Databook is a comprehensive reference on fluoroelastomer chemistry, processing technology, and applications. This is a must-have reference for materials scientists and engineers in the automotive, aerospace, chemical, chemical process, and power generation industries. Fluoroelastomers meet rigorous performance requirements in harsh environments, enhancing reliability, safety, and environmental friendliness. Fluoroelastomers are growing as products of choice for critical components such as O-rings, hoses, and seals in hostile fluid and temperature conditions. The first part of this book is an overview of fluorocarbon elastomers, including descriptions of the nature of fluoroelastomers, properties of various compositions, developmental history, and major uses. The second part provides more details of fluoroelastomer technology, including monomer properties and synthesis, polymerization and production processes, cure systems, and processing methods. The third and last part covers fluid resistance of various fluoroelastomer families, major applications of fluoroelastomers, and safety and disposal.

Injection Molding Handbook

Author: Tim A. Osswald
Publisher: Hanser Verlag
ISBN: 9781569904206
Format: PDF, ePub
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The Injection Molding Handbook provides engineers, professionals and other involved in this important industry sector with a thorough up-to-date overview of injection molding processing equipment and techniques, including the basic fundamental information on chemistry, physics, material science and process engineering. It covers all components of the injection molding machine and the various process steps. Topics directly affecting injection molding, such as material selection, process control, simulation, design and troubleshooting complete this reference book for the injection molder. The updated second edition handbook presents a well-rounded overview of the underlying theory governing the various injection molding processes without loosing its practical flavor.

The Complete Part Design Handbook

Author: E. Alfredo Campo
Publisher:
ISBN: 9781569903759
Format: PDF, ePub
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This indispensable, all inclusive reference guide to plastic part design is compiled with the product designer in mind, who is looking for more detailed information on plastic resins, the rules and geometries underlying their use in product design, and the advantages and limitations of their use in industrial applications. The designer will also find valuable advice on resin and tool selection and processing parameters that will allow fast and successful product development and manufacture. Thousands of hours of research and cross-referencing have gone into the completion of this work. In addition, the hands-on knowledge of a plastics expert with more than 35 years experience incorporated in this handbook makes it in invaluable tool for any product designer facing the challenges of our global plastics industry.