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Ultra precision Bearings

Ultra precision Bearings Book
Author : F Wardle
Publisher : Elsevier
Release : 2015-02-10
ISBN : 0857092189
Language : En, Es, Fr & De

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Book Description :

Ultra-precision bearings can achieve extreme accuracy of rotation, making them ideal for use in numerous applications across a variety of fields, including hard disk drives, roundness measuring machines and optical scanners. Ultraprecision Bearings provides a detailed review of the different types of bearing and their properties, as well as an analysis of the factors that influence motion error, stiffness and damping. Following an introduction to basic principles of motion error, each chapter of the book is then devoted to the basic principles and properties of a specific type of bearing: ball, hydrodynamic, aerodynamic, hydrostatic and aerostatic. The book concludes with a comparison of these types of bearing and their applications. Provides practical information relating to precision bearing design and application Provides an insight into the basic mechanisms that influence precision bearing performance Written by an experienced and well respected bearing specialist

Foundations of Ultra Precision Mechanism Design

Foundations of Ultra Precision Mechanism Design Book
Author : Stuart T. Smith
Publisher : CRC Press
Release : 2003-09-02
ISBN : 0203565509
Language : En, Es, Fr & De

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Book Description :

The realm of ultra precision mechanisms, for example in controlling motion to small fractions of a micrometer, is encroaching into many fields of technology. This book aims to provide a bridge for those moving from either an engineering or physics background towards the challenges offered by ultraprecision mechanisms. Using case study examples, this book provides a guide to basic techniques and gives technical, analytical and practical information.

Precision Engineering

Precision Engineering Book
Author : V C Venkatesh
Publisher : Tata McGraw-Hill Education
Release : 2007
ISBN : 0070620903
Language : En, Es, Fr & De

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Book Description :

Manufacturing generates wealth, whereas high-precision manufacturing is even more lucrative. Mechanical engineers, professionals and students can turn to Precision Engineering for an in-depth understanding on manufacturing of optical, electronic and mechanical products. Starting with an introduction to precision engineering, the book describes theory and design of precision machines as well as mechanics of ultra-precision machining. It also discusses manufacturing based on atomic bit processes as well as topics like atomic force, scanning, electron and optical microscopy, surface finish and clean rooms. The book is designed as per the syllabi of NTU Singapore, UTM Johor Bahru, Malaysia and MMU Melaka, Malaysia.

Ultra precision High Performance Cutting

Ultra precision High Performance Cutting Book
Author : Ekkard Brinksmeier
Publisher : Springer Nature
Release : 2021-09-26
ISBN : 3030837653
Language : En, Es, Fr & De

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Book Description :

Download Ultra precision High Performance Cutting book written by Ekkard Brinksmeier, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Simulation and Experiments of Material Oriented Ultra Precision Machining

Simulation and Experiments of Material Oriented Ultra Precision Machining Book
Author : Junjie Zhang,Bing Guo,Jianguo Zhang
Publisher : Springer
Release : 2018-12-31
ISBN : 9811333351
Language : En, Es, Fr & De

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Book Description :

Ultra-precision machining is a promising solution for achieving excellent machined surface quality and sophisticated micro/nano-structures that influence the applications of components and devices. Further, given the ultrathin layer of material removed, it is a highly coupled process between cutting tool and material. In this book, scientists in the fields of mechanical engineering and materials science from China, Ukraine, Japan, Singapore present their latest research findings regarding the simulation and experiment of material-oriented ultra-precision machining. Covering various machining methods (cutting, grinding, polishing, ion beam and laser machining) and materials (metal, semiconductor and hard-brittle ceramics), it mainly focuses on the evaluation of the fundamental mechanisms and their implementation in processing optimization for different materials. It is of significant theoretical and practical value for guiding the fabrication of ultra-smooth and functional surfaces using ultra-precision machining.

Ultra Precision Machining Technologies CJICUPM2008

Ultra Precision Machining Technologies  CJICUPM2008 Book
Author : Julong Yuan,Shiming Ji,Dong Hui Wen,Ming Chen
Publisher : Trans Tech Publications Ltd
Release : 2009-05-05
ISBN : 3038133035
Language : En, Es, Fr & De

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Book Description :

Volume is indexed by Thomson Reuters CPCI-S (WoS). This special volume presents the very latest findings and ideas in the field of ultra-precision machining.

Materials Characterisation and Mechanism of Micro Cutting in Ultra Precision Diamond Turning

Materials Characterisation and Mechanism of Micro Cutting in Ultra Precision Diamond Turning Book
Author : Sandy Suet To,Hao Wang,Wing Bing Lee
Publisher : Springer
Release : 2017-05-23
ISBN : 3662548232
Language : En, Es, Fr & De

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Book Description :

This book presents an in-depth study and elucidation on the mechanisms of the micro-cutting process, with particular emphasis and a novel viewpoint on materials characterization and its influences on ultra-precision machining. Ultra-precision single point diamond turning is a key technology in the manufacture of mechanical, optical and opto-electronics components with a surface roughness of a few nanometers and form accuracy in the sub-micrometric range. In the context of subtractive manufacturing, ultra-precision diamond turning is based on the pillars of materials science, machine tools, modeling and simulation technologies, etc., making the study of such machining processes intrinsically interdisciplinary. However, in contrast to the substantial advances that have been achieved in machine design, laser metrology and control systems, relatively little research has been conducted on the material behavior and its effects on surface finish, such as the material anisotropy of crystalline materials. The feature of the significantly reduced depth of cut on the order of a few micrometers or less, which is much smaller than the average grain size of work-piece materials, unavoidably means that conventional metal cutting theories can only be of limited value in the investigation of the mechanisms at work in micro-cutting processes in ultra-precision diamond turning.

Proceedings of the 35th International MATADOR Conference

Proceedings of the 35th International MATADOR Conference Book
Author : Srichand Hinduja,Kuang-Chao Fan
Publisher : Springer Science & Business Media
Release : 2007-06-30
ISBN : 1846289882
Language : En, Es, Fr & De

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Book Description :

Presented here are 88 refereed papers given at the 35th MATADOR Conference held at the National University of Taiwan in Taipei, Taiwan in July 2007. The MATADOR series of conferences covers the topics of Manufacturing Automation and Systems Technology, Applications, Design, Organisation and Management, and Research. The proceedings of this conference contains original papers contributed by researchers from many countries on different continents. The papers cover the principles, techniques and applications associated with: manufacturing processes; technology; system design and integration; and computer applications and management. The papers in this volume reflect: • the importance of manufacturing in international wealth creation; • the emerging fields of micro- and nano-manufacture; • the increasing trend towards the fabrication of parts using additive processes; • the growing demand for precision engineering and part inspection techniques; • measurement techniques and equipment.

Modeling and Design of a Miniature High Precision Linear Stage on Ball Bearings

Modeling and Design of a Miniature High Precision Linear Stage on Ball Bearings Book
Author : Anonim
Publisher : Unknown
Release : 2010
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

In actual technological developments, the trend to miniaturization of industrial products requtes micro components. Tool based micro/meso-scale machining is becoming increasingly important, since it cm create 3-D parts in various engineering materials and has many advantages in productivity, efficiency, flexibility and cost effectiveness, etc. Mini-guideways are key components of meso-machine tools.This thesis fuses on the design of an ultra precision miniature linear guideways on bail bearings, able to fulfilling the requirements of ultra predision meso-machine tools with a high stiffness. Two basic design criteria are consider: one is that the bail bearing elements must be able to bear the maximum working load while keeping an elastic behaviour and maximizing the stiffness; the other is that the influence of halls diameter and wall flatness tolerances on peasidc movements must be kept below the maximum error allowed to surface machining. Firstly, based on Hertzian contact theory, an open bearing with geometrical errors is studied. Then a structure of preloaded closed bearing element is proposed for its potential ability to supporting a heavy load with a high stiffness in a limited size. Based on the proposed closed bearing elements, a method of modeling and minimisation of a guideway is developed, targeting at fulfilling the conditions of a limited size of 70x140 mm, load capacity >250N and stiffness >500N/gm. A Theoretical evaluation of straightness error and pitch error of the motion of the mini-guideway with closed bearing elements is developed and is analyzed with various specified preloads, geometrical errors and external loads. Straightness error of motion of the mini-guideway may be reduced to about 1610 times the given fabrication error or even less, for specified appropriate wavelength of surface error of the walls. To lower the puasitic motion and excitation generated by bUls entering or exiting from under the cage, opdMzation of the cage's profiles is discussed to minimize the edge effect on rolling contact. At last, a prototype of mini-guideway for meso machine tools has been design and manufactured. The travel is80 mm. The beuings walls have been made of steel GCr15 and the bans are in ceramics Si4, rince they have a high level of compressive strength and hardness. The dimension of the ni-guideway structure have been dened via evaluations with the Finite Element Method (FEM); thickness of the walls of the ni-guideway should be >11 mm. Fitch errors and straighness error of motion of the prototype have been invesfigated. For a diameter error of balls of about 0.13gm and straightness profile errors of the walls aof about I.0-3.0gm, the straightness motion error of the mini-guideway is about 0.251tm over a travel of 5m with a geometrical preload of 6jrm. These results agree well with the theoretical prédictions.

Bearing Design in Machinery

Bearing Design in Machinery Book
Author : Avraham Harnoy
Publisher : CRC Press
Release : 2002-09-25
ISBN : 9780203909072
Language : En, Es, Fr & De

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Book Description :

Covering the fundamental principles of bearing selection, design, and tribology, this book discusses basic physical principles of bearing selection, lubrication, design computations, advanced bearings materials, arrangement, housing, and seals, as well as recent developments in bearings for high-speed aircraft engines. The author explores unique solutions to challenging design problems and presents rare case studies, such as hydrodynamic and rolling-element bearings in series and adjustable hydrostatic pads for large bearings. He focuses on the design considerations and calculations specific to hydrodynamic journal bearings, hydrostatic bearings, and rolling element bearings.

Manufacturers Symbols and Designations for Anti friction Bearings

Manufacturers  Symbols and Designations for Anti friction Bearings Book
Author : Anonim
Publisher : Unknown
Release : 1956
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Manufacturers Symbols and Designations for Anti friction Bearings book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Mechatronics Soft Cover

Mechatronics  Soft Cover  Book
Author : Hmt
Publisher : Tata McGraw-Hill Education
Release : 2000-04-01
ISBN : 9780074636435
Language : En, Es, Fr & De

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Book Description :

An attempt has been made to make the pedagogy lucid, at the same time blending the elements of mechanics, electronics and information systems in a well-defined way. The book will be very useful for degree and diploma students of mechanical and electronics engineering. Professionals from the machine tool user industry will find the book useful in their activities.

Ultra precision Carriage Positioning of a Quiet Hydraulics Testbed

Ultra precision Carriage Positioning of a Quiet Hydraulics Testbed Book
Author : Hsueh-Chieh Wu
Publisher : Unknown
Release : 2000
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Ultra precision Carriage Positioning of a Quiet Hydraulics Testbed book written by Hsueh-Chieh Wu, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Introduction to Precision Machine Design and Error Assessment

Introduction to Precision Machine Design and Error Assessment Book
Author : Samir Mekid
Publisher : CRC Press
Release : 2008-12-23
ISBN : 0849378877
Language : En, Es, Fr & De

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Book Description :

While ultra-precision machines are now achieving sub-nanometer accuracy, unique challenges continue to arise due to their tight specifications. Written to meet the growing needs of mechanical engineers and other professionals to understand these specialized design process issues, Introduction to Precision Machine Design and Error Assessment places a particular focus on the errors associated with precision design, machine diagnostics, error modeling, and error compensation. Error Assessment and Control The book begins with a brief overview of precision engineering and applications before introducing error measurements and offering an example of a numerical-controlled machine error assessment. The contributors discuss thermal error sources and transfer, modeling and simulation, compensation, and machine tool diagnostics, and then examine the principles and strategies involved in designing standard-size precision machines. Later chapters consider parallel kinematic machines, the precision control techniques covering linear systems and nonlinear aspects, and various types of drives, actuators, and sensors required for machines. Case studies and numerous diagrams and tables are provided throughout the book to clarify material. A Window Into the Future of High-Precision Manufacturing Achieving ultra-high precision in the manufacture of extremely small devices opens up prospects in several diverse and futuristic fields, while at the same time greatly increases our living standards by offering quality and reliability for conventional products and those on the microscale. With contributions by a team of international experts, this work serves as a comprehensive and authoritative reference for professionals aiming to stay abreast of this developing area.

Maintenance of Aeronautical Antifriction Bearings

Maintenance of Aeronautical Antifriction Bearings Book
Author : United States. Bureau of Naval Weapons
Publisher : Unknown
Release : 1965
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Maintenance of Aeronautical Antifriction Bearings book written by United States. Bureau of Naval Weapons, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Intelligent Motorized Spindle Technology

Intelligent Motorized Spindle Technology Book
Author : Yuhou Wu,Lixiu Zhang
Publisher : Springer Nature
Release : 2020-02-22
ISBN : 9811533288
Language : En, Es, Fr & De

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Book Description :

This book presents the latest information on the intelligent CNC machine tool spindle system, which integrates various disciplines such as mechanical engineering, control engineering, computer science and information technology. It describes a prediction method and model for temperature rise and thermal deformation in motorized spindles and proposes an intelligent stator resistance identification method to reduce the torque ripple of motorized spindles under direct torque control. Further, it discusses the on-line dynamic balance method for NC machine tool spindles. The biogeographic optimization algorithm and hybrid intelligent algorithm presented here were first applied in the field of motorized spindle performance control. In turn, the book presents extensive motorized spindle performance test data and includes detailed examples of how intelligent algorithms can be applied to motor spindle stator resistance identification, temperature field prediction and on-line dynamic balance. In summary, the book provides readers with the latest tools for designing, testing and implementing intelligent motorized spindle systems in terms of the basic theory, technological applications and future prospects, and offers a wealth of practical information for researchers in mechanical engineering, especially in the area of control systems.

Ultra fast Material Metrology

Ultra fast Material Metrology Book
Author : Alexander Horn
Publisher : John Wiley & Sons
Release : 2009-07-30
ISBN : 3527627936
Language : En, Es, Fr & De

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Book Description :

This book is the first to describe novel measurement techniques of processes during laser-matter interaction using ultra-fast lasers. Targeted at both engineers and physicists, initial chapters address the working tools, the history of laser ultra-fast metrology, an overview of ultra-fast laser sources, and the fundamentals of laser radiation-matter interaction. Ultra-fast laser radiation is discussed in chapter 4, while further chapters describe the methodology of pump and probe in practice, as well as applications for pump and probe metrology in engineering, including spectroscopy and imaging techniques. Chapter 7 describes the perspectives for this new field of research and predicts the metrology of the future, showing new potential applications of laser sources and new detectors in combination with improved pump and probe methods.

Supply Antifriction Bearing Commercial Symbols

Supply  Antifriction Bearing Commercial Symbols Book
Author : United States. Department of the Air Force
Publisher : Unknown
Release : 1954
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Supply Antifriction Bearing Commercial Symbols book written by United States. Department of the Air Force, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Surface Generation in Ultra precision Diamond Turning

Surface Generation in Ultra precision Diamond Turning Book
Author : W. B. Lee,Benny C. F. Cheung
Publisher : John Wiley & Sons
Release : 2003-02-07
ISBN : 9781860583988
Language : En, Es, Fr & De

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Book Description :

An ‘Engineering Research Series’ title. One of the remarkable achievements of modern manufacturing techniques is the ability to achieve nano-metre surface finishes. Ultraprecision machining based on single-point diamond turning (SPDT) is a very important technique in the manufacture of high-precision components where surface finish is critical. Complex optical surfaces, for example, can be produced without the need for post-machining polishing. This book focuses on the aspect of modelling nano-surface generation in ultra precision SPDT. Potential industrial applications in the prediction of surface quality, the process optimization, and precision mould manufacturing are also studies. The essential differences between single-point diamond turning and conventional machining are described. The history and technology of single-point diamond turning are presented and single chapters emphasize the related metrology and cutting mechanics. Important aspects of surface generation are also discussed. Features of the text are the sound approach, systematic mathematical modelling, and computer-aided simulation of surface generation in the development of surfaces exhibiting nano-surface qualities. TOPICS COVERED INCLUDE: Fundamentals of ultra-precision diamond turning technology Cutting mechanics and analysis of microcutting force variation Mechanisms of surface generation Characterization and modelling of nano-surface generation Computer-aided simulation of nano-surface generation Diamond turning of aspheric optics. Based upon the extensive experience of the authors Surface Generation in Ultra-precision Diamond Turning: Modelling and Practices will be of interest to engineers, scientists, and postgraduate students.

Applied Tribology

Applied Tribology Book
Author : Michael M. Khonsari,E. Richard Booser
Publisher : John Wiley & Sons
Release : 2017-10-02
ISBN : 1118637240
Language : En, Es, Fr & De

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Book Description :

Insightful working knowledge of friction, lubrication, and wear in machines Applications of tribology are widespread in industries ranging from aerospace, marine and automotive to power, process, petrochemical and construction. With world-renowned expert co-authors from academia and industry, Applied Tribology: Lubrication and Bearing Design, 3rd Edition provides a balance of application and theory with numerous illustrative examples. The book provides clear and up-to-date presentation of working principles of lubrication, friction and wear in vital mechanical components, such as bearings, seals and gears. The third edition has expanded coverage of friction and wear and contact mechanics with updated topics based on new developments in the field. Key features: Includes practical applications, homework problems and state-of-the-art references. Provides presentation of design procedure. Supplies clear and up-to-date information based on the authors’ widely referenced books and over 500 archival papers in this field. Applied Tribology: Lubrication and Bearing Design, 3rd Edition provides a valuable and authoritative resource for mechanical engineering professionals working in a wide range of industries with machinery including turbines, compressors, motors, electrical appliances and electronic components. Senior and graduate students in mechanical engineering will also find it a useful text and reference.