Human development is a long and steady process that began with stone tool making. Because of this skill, humans were able to adapt to climate changes, discover new territories, and invent new technologies. "Pressure knapping" is the common term for one method of creating stone tools, where a larger device or blade specifically made for this purpose is use to press out the stone tool. Pressure knapping was invented in different locations and at different points in time, representing the adoption of the Neolithic way of life in the Old world.

Recent research on pressure knapping has led for the first time to a global thesis on this technique. The contributors to this seminal work combine research findings on pressure knapping from different cultures around the globe to develope a cohesive theory. This contributions to this volume represents a significant development to research on pressure knapping, as well as the field of lithic studies in general.

This work will be an important reference for anyone studying the Paleolithic, Mesolithic, and Neolithic periods, lithic studies, technologies, and more generally, cultural transmission.

This book presents the recent research results of the application of arc spectrum in the welding process. It sheds light on the fundamentals of monitoring welding quality using arc spectral information. By analyzing the topic both from a global and local perspective, it establishes a knowledge base of features characterizing welding statuses. Researchers, scientists and engineers in the field of intelligent welding can benefit from the book. As such, this book provides valuable knowledge, useful methods, and practical algorithms that are applicable in real-time detection of welding defects.

This book covers all aspects and elements of rolling technology in one volume with even the most technical jargon being communicated in an easy to understand language. The book is exhaustive as topics ranging from rolls, rolls cooling, roll turning, roll reclamation, investigation of roll breakage, roll management and roll bearing all have been dealt in detail as these constitute the most important element of production cost. A separate chapter has been dedicated to operational management of a rolling mill, which includes safety and inventory. Packaging of the finished products and modern operating mill practices and technologies are also discussed in detail. This book will be a useful tool for shop floor personnel and for all senior management operating in the rolling mill industry; it is also a must read for all polytechnic / engineering students of metallurgical / mechanical / process engineering. This book may also be useful as reference book for students/professionals of rolling technology. Note: T&F does not sell or distribute the Hardback in India, Pakistan, Nepal, Bhutan, Bangladesh and Sri Lanka.

Written by an engineer with decades of practical manufacturing experience, this new edition has been thoroughly revised and is a complete modern guide to sheet metal forming processes and die design - still the most commonly used methodology for the mass-production manufacture of aircraft, automobiles, and complex high-precision parts. Included are the "hows" and "whys" of product analysis, as well as the techniques for blanking, punching, bending, deep drawing, stretching, material economy, strip design, movement of metal during stamping, and tooling. Its focus is on simple, applicable engineering methods rather than complex numerical techniques. Part I: Theoretical Fundamentals - The Structure of Materials. Mechanical Behavior of Metals. Part II: Manufacturing Procesess - Searing Process. Blanking and Punching. Bending. Deep Drawing. Various Forming Processes. Part III: Die Design - Basic Die Classifications and Components. Blanking and Punching Dies. Bending Dies. Deep Drawing Dies. Various Forming Dies. Tool and Die Materials. Quick Die Change Systems and Die Design. Appendix 1: Blank Diameter of Drawn Shells. Appendix 2: Metric System Tolerances. Appendix 3: Miscellaneous Information. Appendix 4: Technical Specifications of the Helical and Belleville Springs. Glossary. Bibliography. Index.

The NABCEP PV Installation Professional (PVIP) Exam is the gold standard certification exam for PV professionals and is famously difficult to pass. As the industry grows and jobs have become more specialized, the Board has responded to this with NABCEP Specialist Certification Exams. As well as the content of the PVIP, this book also covers the material in the Design, Installer and Commissioning & Maintenance Specialist Certification Exams, and provides test-taking strategy that can be used to most effectively study for and pass these assessments. Code and theory is explained in the first half of this guide, acting as a useful background for the second half, which consists of practice exam questions and answers, complete with detailed explanations. It also contains essential strategy tools, short-term memory tips and recommended reading which will be invaluable for anyone studying for the exams. The material covered in this book is not limited to those taking the test, but will also act as a valuable tool for career progression, helping the reader to work safely with code-compliant PV systems. This second edition has been fully revised and updated to reflect the new developments in solar and energy storage systems and new technologies.

Micro Electro Discharge Machining (EDM) is a prominent technology for the fabrication of micro components in many fields. Nowadays, it is used like a conventional machine tool due to favorable characteristics. This book provides the fundamental knowledge of the principles of the process and its variants, the different process parameters, the role of machine components and systems, the challenges, and how to eliminate processing errors. It also includes real life applications of micro EDM in different areas with the most relevant examples.

This edited book contains extended research papers from AIMTDR 2014. This includes recent research work in the fields of friction stir welding, sheet forming, joining and forming, modeling and simulation, efficient prediction strategies, micro-manufacturing, sustainable and green manufacturing issues etc. This will prove useful to students, researchers and practitioners in the field of materials forming and manufacturing.

Within manufacturing, welding is by far the most widely used fabrication method used for production, leading to a rise in research and development activities pertaining to the welding and joining of different, similar, and dissimilar combinations of the metals. This book addresses recent advances in various welding processes across the domain, including arc welding and solid-state welding process, as well as experimental processes. The content is structured to update readers about the working principle, predicaments in existing process, innovations to overcome these problems, and direct industrial and practical applications. Key Features: Describes recent developments in welding technology, engineering, and science Discusses advanced computational techniques for procedure development Reviews recent trends of implementing DOE and meta-heuristics optimization techniques for setting accurate parameters Addresses related theoretical, practical, and industrial aspects Includes all the aspects of welding, such as arc welding, solid state welding, and weld overlay

One of a new series of Haynes DIY Manuals. Welding is an art that goes back to the days of the village blacksmith, but until recently the tools and materials needed were too expensive for DIY use. Nowadays, however, equipment that was once considered

This edited monograph presents a selection of research contributions on eco-factories of the future. The topical focus lies on cutting-edge solutions from academia and industry that enable and support companies in their efforts towards sustainable manufacturing. The authors provide an overview over recent developments, aiming at a comprehensive understanding of eco- and cost-efficient manufacturing from machine to factory level. The solutions contributed by leading research institutions and companies have been mostly implemented and evaluated in industrial pilot projects across Europe. The methodological approaches cover topics such as factory planning, manufacturing simulation, energy management as well as life cycle evaluation. The target audience comprises industry experts and decision makers as well as researchers in the field of sustainable manufacturing.

This book focuses exclusively on ergonomics in the design and use of hand tools. Hand tools have been an integral supplement to the human hand since the beginning of civilization. Recently, they have been pinpointed as a prominent cause of workplace disease. Cumulative Trauma Disorders such as Tendonitus, Carpal Tunnel Syndrome, and Raynaud's Syndrome are caused by the specialization of motion employed when using a screw driver, the shock to the hand and wrist when a hammer strikes a nail, or the vibration of a power saw. Ergonomics and Safety in Hand Tool Design explores the relationship between Biomechanics, Safety, and Ergonomics allowing the reader to recognize, evaluate, and control ergonomic risk factors and improve hand tool design. After a history of hand tool use and design, the book is broken down by the various disciplines as they apply to hand tools, taking a broad approach. The author gives special attention to safe design and use, illustrated with detailed diagrams. The text serves as a guide to the human factors in safety and ergonomics for safety professionals.

This book lays out the fundamentals of friction stir welding and processing and builds toward practical perspectives. The authors describe the links between the thermo-mechanical aspects and the microstructural evolution and use of these for the development of the friction stir process as a broader metallurgical tool for microstructural modification and manufacturing. The fundamentals behind the practical aspects of tool design, process parameter selection and weld related defects are discussed. Local microstructural refinement has enabled new concepts of superplastic forming and enhanced low temperature forming. The collection of friction stir based technologies is a versatile set of solid state manufacturing tools.

These lesson plans were devised as a result of the author's experience of teaching carpentry toolmaking in East Africa, and include guidelines for lessons on theoretical aspects of toolmaking, as well as practical demonstrations. Students should already be familiar with basic woodworking techniques, including the preparation of timber, marking out and cutting joints, and the construction of simple items of furniture. There is also advice on simple blacksmithing techniques followed by demonstration plans for the metal parts of tools to aid the teaching of this aspect of toolmaking. The book is intended for students of woodworking and metal-working skills in developing countries, and their teachers and trainers.

Geometry of Single-Point Turning Tools and Drills outlines clear objectives of cutting tool geometry selection and optimization, using multiple examples to provide a thorough explanation. It addresses several urgent problems that many present-day tool manufacturers, tool application specialists, and tool users, are facing. It is both a practical guide, offering useful, practical suggestions for the solution of common problems, and a useful reference on the most important aspects of cutting tool design, application, and troubleshooting practices.

Covering emerging trends in cutting tool design, cutting tool geometry, machining regimes, and optimization of machining operations, Geometry of Single-Point Turning Tools and Drills is an indispensable source of information for tool designers, manufacturing engineers, research workers, and students.

Advances in Reconfigurable Mechanisms and Robots I provides a selection of key papers presented in The Second ASME/IFToMM International Conference on Reconfigurable Mechanisms and Robots (ReMAR 2012) held on 9th -11th July 2012 in Tianjin, China. This ongoing series of conferences will be covered in this ongoing collection of books. A total of seventy-eight papers are divided into seven parts to cover the topology, kinematics and design of reconfigurable mechanisms with the reconfiguration theory, analysis and synthesis, and present the current research and development in the field of reconfigurable mechanisms including reconfigurable parallel mechanisms. In this aspect, the recent study and development of reconfigurable robots are further presented with the analysis and design and with their control and development. The bio-inspired mechanisms and subsequent reconfiguration are explored in the challenging fields of rehabilitation and minimally invasive surgery. Advances in Reconfigurable Mechanisms and Robots I further extends the study to deployable mechanisms and foldable devices and introduces applications of reconfigurable mechanisms and robots. The rich-content of Advances in Reconfigurable Mechanisms and Robots I brings together new developments in reconfigurable mechanisms and robots and presents a new horizon for future development in the field of reconfigurable mechanisms and robots. A total of seventy-eight papers are divided into seven parts to cover the topology, kinematics and design of reconfigurable mechanisms with the reconfiguration theory, analysis and synthesis, and present the current research and development in the field of reconfigurable mechanisms including reconfigurable parallel mechanisms. In this aspect, the recent study and development of reconfigurable robots are further presented with the analysis and design and with their control and development. The bio-inspired mechanisms and subsequent reconfiguration are explored in the challenging fields of rehabilitation and minimally invasive surgery. Advances in Reconfigurable Mechanisms and Robots I further extends the study to deployable mechanisms and foldable devices and introduces applications of reconfigurable mechanisms and robots. The rich-content of Advances in Reconfigurable Mechanisms and Robots I brings together new developments in reconfigurable mechanisms and robots and presents a new horizon for future development in the field of reconfigurable mechanisms and robots. A total of seventy-eight papers are divided into seven parts to cover the topology, kinematics and design of reconfigurable mechanisms with the reconfiguration theory, analysis and synthesis, and present the current research and development in the field of reconfigurable mechanisms including reconfigurable parallel mechanisms. In this aspect, the recent study and development of reconfigurable robots are further presented with the analysis and design and with their control and development. The bio-inspired mechanisms and subsequent reconfiguration are explored in the challenging fields of rehabilitation and minimally invasive surgery. Advances in Reconfigurable Mechanisms and Robots I further extends the study to deployable mechanisms and foldable devices and introduces applications of reconfigurable mechanisms and robots. The rich-content of Advances in Reconfigurable Mechanisms and Robots I brings together new developments in reconfigurable mechanisms and robots and presents a new horizon for future development in the field of reconfigurable mechanisms and robots. A total of seventy-eight papers are divided into seven parts to cover the topology, kinematics and design of reconfigurable mechanisms with the reconfiguration theory, analysis and synthesis, and present the current research and development in the field of reconfigurable mechanisms including reconfigurable parallel mechanisms. In this aspect, the recent study and development of reconfigurable robots are further presented with the analysis and design and with their control and development. The bio-inspired mechanisms and subsequent reconfiguration are explored in the challenging fields of rehabilitation and minimally invasive surgery. Advances in Reconfigurable Mechanisms and Robots I further extends the study to deployable mechanisms and foldable devices and introduces applications of reconfigurable mechanisms and robots. The rich-content of Advances in Reconfigurable Mechanisms and Robots I brings together new developments in reconfigurable mechanisms and robots and presents a new horizon for future development in the field of reconfigurable mechanisms and robots.

A collection of 15 additions to the model engineer's armoury of tools and equipment from the former editor of Model Engineer's Workshop magazine. This practical collection covers benchwork, the lathe and milling operations, and includes: marking-out and machining aids; a simple motorized filing machine; an unusual and improved milling vice; a micrometer stand; internal and external chuck stops; cross drilling jigs; a hand turning rest; rear mounted toolposts; and a self-releasing mandrel handle.

From car manufacturing to production of niche products, welding is one of the most widespread and successful applications of industrial robotics. This book is an overview of robotic welding at the beginning of this century. The last few years-worth of evolution in robotic welding are described, illustrating their rapid innovations and featuring: Welding Technology;Sensors and Sensing Techniques;Industrial robotic welding systems; andActual industrial application of modern-day robotic welding techniques. Containing worked examples and problems, this book will be of value to students of robotics and manufacturing engineering who wish to understand the latest robot welding technologies while also being a useful reference for active researchers and those working in industry. The book signposts future developments and aims to give readers the information they need to contribute to the next wave of development in the area of manufacturing technology.

The book is aimed at those wishing to gain a basic knowledge of the practical aspects of the four most widely used welding processes: manual metal arc (MMA), metal inert/active gas (MIG/AG), tungsten inert gas (TIG) and oxy-acetylene welding and cutting. In addition to a detailed treatment of these four methods, further sections deal with the various angles at which welding can be carried out, the effect of the different materials, and quality assessment. Important safety information is collected into a preliminary section whilst highlighted safety warnings carry the safety theme through the entire text. Features to aid comprehension include a glossary of welding terms and symbols, self-assessment questions and a guide to current welder qualifications in the light of recent European standardisation.

Gives full details on how to build and use a versatile machine for working sheet metal

This book aims to assist anyone about to start or to expand a small scale foundry to consider the various available processes, and to select the most appropriate for the circumstances. Technical aspects covered include pattern-making, moulding, coremaking, melting cast iron, steel castings, non-ferrous metal castings, cleaning castings, safety, planning and wources of foundry equipment and materials.

Friction-Induced Vibration in Lead Screw Drives covers the dynamics of lead screw drives with an emphasis on the role of friction. Friction-induced vibration in lead screws can be the cause of unacceptably high levels of audible noise as well as loss of operation accuracy and shortened life. Although lead screw drives have a long history and their mechanical design and manufacturing aspects are very well understood, the role of friction in their dynamical behavior has not been comprehensively treated. The book draws on the vast body of work on the subject of dynamical systems with friction (such as disk brake systems) and offers said treatment, along with: * Unique coverage of modeling of multi-DOF lead screw systems with friction * Detailed analysis of negative damping, mode coupling, and kinematic constraint instability mechanisms in lead screws drives * A practical parameter identification approach for the velocity dependent coefficient of friction in lead screw drives Friction-Induced Vibration in Lead Screw Drives serves as the definitive text on the friction-induced vibration of lead screws, and includes a practical case study where the developed methods are used to study the excessive noise problem of a lead screw drive system and to put forward design modifications that eliminate the friction-induced vibrations.