Bearings

Bearings PDF

Author: Maurice L. Adams

Publisher: CRC Press

Published: 2018-04-19

Total Pages: 293

ISBN-13: 1351689991

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Bearings: from Technoloogical Foundations to Practical Design Applications provides a modern study of bearing types, design factors, and industrial examples. The major classes of bearings are described, and design concepts are covered for rolling elements, surfaces, pivots, flexures, and compliance surfaces. Fluid film lubrication is presented, and the basics of tribology for bearings is explained. The book also looks at specific applications of bearing technology, including bearings in vehicles, rotating machinery, machine tools, and home appliances. Case studies are also included.

Air Bearings

Air Bearings PDF

Author: Farid Al-Bender

Publisher: John Wiley & Sons

Published: 2021-01-15

Total Pages: 592

ISBN-13: 1118926560

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Comprehensive treatise on gas bearing theory, design and application This book treats the fundamental aspects of gas bearings of different configurations (thrust, radial, circular, conical) and operating principles (externally pressurized, self-acting, hybrid, squeeze), guiding the reader throughout the design process from theoretical modelling, design parameters, numerical formulation, through experimental characterisation and practical design and fabrication. The book devotes a substantial part to the dynamic stability issues (pneumatic hammering, sub-synchronous whirling, active dynamic compensation and control), treating them comprehensively from theoretical and experimental points of view. Key features: Systematic and thorough treatment of the topic. Summarizes relevant previous knowledge with extensive references. Includes numerical modelling and solutions useful for practical application. Thorough treatment of the gas-film dynamics problem including active control. Discusses high-speed bearings and applications. Air Bearings: Theory, Design and Applications is a useful reference for academics, researchers, instructors, and design engineers. The contents will help readers to formulate a gas-bearing problem correctly, set up the basic equations, solve them establishing the static and dynamic characteristics, utilise these to examine the scope of the design space of a given problem, and evaluate practical issues, be they in design, construction or testing.

Grease Lubrication in Rolling Bearings

Grease Lubrication in Rolling Bearings PDF

Author: Piet M. Lugt

Publisher: John Wiley & Sons

Published: 2013-02-18

Total Pages: 472

ISBN-13: 1118353919

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The definitive book on the science of grease lubrication for roller and needle bearings in industrial and vehicle engineering. Grease Lubrication in Rolling Bearings provides an overview of the existing knowledge on the various aspects of grease lubrication (including lubrication systems) and the state of the art models that exist today. The book reviews the physical and chemical aspects of grease lubrication, primarily directed towards lubrication of rolling bearings. The first part of the book covers grease composition, properties and rheology, including thermal and dynamics properties. Later chapters cover the dynamics of greased bearings, including grease life, bearing life, reliability and testing. The final chapter covers lubrications systems – the systems that deliver grease to the components requiring lubrication. Grease Lubrication in Rolling Bearings: Describes the underlying physical and chemical properties of grease. Discusses the effect of load, speed, temperature, bearing geometry, bearing materials and grease type on bearing wear. Covers both bearing and grease performance, including thermo-mechanical ageing and testing methodologies. It is intended for researchers and engineers in the petro-chemical and bearing industry, industries related to this (e.g. wind turbine industry, automotive industry) and for application engineers. It will also be of interest for teaching in post-graduate courses.

Bearings and Distances

Bearings and Distances PDF

Author: Glenn Arbery

Publisher:

Published: 2015-06-11

Total Pages: 346

ISBN-13: 9780692468203

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Bearings and Distances by Glenn Arbery, is a novel of comic ironies and tragic recurrences set in the "post-racial" moment of the American experiment. In the summer after Barack Obama's election, Hermia Watson, a scholar of black history, lures the famous (and famously irresponsible) Professor Braxton Forrest back to his hometown in Georgia, using his two daughters as unwitting hostages. Returning alone while his pious wife continues touring Italy, Forrest arrives to the tremblings of his abandoned past and a confrontation with the Furies he thought modernity had left behind. In the course of a few days, Hermia realizes what violent revelations she has begun to unleash about her former lover, her mother, and her own identity-but it is too late to stop what is coming to light. Arbery revisits the obsessions of the 20th century Southern renaissance in a work that satirizes misconceptions and shallow pieties but takes seriously the wisdom of the Southern literary tradition-and its classical antecedents.

Structural Bearings

Structural Bearings PDF

Author: Helmut Eggert

Publisher: John Wiley & Sons

Published: 2002-08-23

Total Pages: 420

ISBN-13: 9783433012383

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Bearings are used in the construction of bridges, for the distribution of loads between different elements and for compensating stresses. This volume describes their construction, function, calculation and applications, and is supplemented by normative regulations and research results. The book takes account of EN 1337 standards, which are binding on a European level. It also takes into account the latest experiences gained in practice as well as on the basis of recent tests, and includes examples for the correct placing of bearings and dampers.

Bearing Design in Machinery

Bearing Design in Machinery PDF

Author: Avraham Harnoy

Publisher: CRC Press

Published: 2002-09-25

Total Pages: 664

ISBN-13: 9780203909072

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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.

Bearings

Bearings PDF

Author: M. J. Neale

Publisher: Elsevier

Published: 2013-10-22

Total Pages: 147

ISBN-13: 1483135497

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Bearings: A Tribology Handbook is a practical guide on bearings, based on materials published in the first edition of the Tribology Handbook. The handbook has been updated matching international requirements. The book is divided in four main parts. The first part is a description of different bearing types and forms pertaining to continuous and oscillatory movements. A selection of journal and thrust bearings as to their different load capacity, performance, and special environmental conditions is explained. The second part deals with the physical properties and load capacity of plain bearings. Other kinds of bearing, such as the dry rubbing bearings; porous metal bearings; grease, wick, and drip fed journal bearings; ring and disc fed journal bearings; steady load pressure fed journal bearings; high-speed bearings; and crankshaft bearings, are considered regarding their performance, maintenance, and suitability to specific conditions. The third part focuses on one type of bearing: the rolling bearing. The selection, composition, shaft and housing design, and fitting and mounting for this type is discussed. The last part explains special bearing types such as slide bearings, instrument jewels (which are a combination of a steel pivot and a synthetic sapphire jewel), and electromagnetic bearings that are essentially powerful electromagnets. The need for surface treatments and coatings is then explained for optimum usage. The handbook is useful for design engineers, mechanical engineers, and material researchers. Mechanical, aeronautical, and automotive students; car mechanics; and those interested in machine and car maintenance will find this handbook a handy reference.

Hydrodynamic Lubrication

Hydrodynamic Lubrication PDF

Author: J. Frene

Publisher: Elsevier

Published: 1997-11-10

Total Pages: 499

ISBN-13: 0080534317

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Hydrodynamic Lubrication is the culmination of over 20 years close, collaborative work by the five authors and discusses the practical use of the formalization of low pressure lubrication. The work concentrates on the developments to journal and thrust bearings and includes subjects such as: • the dynamic behaviour of plain and tilting-pads • the thermal aspects • the positive and negative effects of non-cyclindricity and shape defects resulting from manufacturing or operation • the effects of inertia • the appearance of Taylor's vortices and of turbulence and their repercussions. The book contains an abundance of test results objectively compared with theoretical conclusions and a chapter on "technical considerations" to ensure that draft mechanisms will work satisfactorily under the imposed conditions. Hydrodynamic Lubrication is an essential reference book for future and practising engineers who want to put hydrodynamic and hydrostatic journal bearings and thrust bearings into operation under conditions of total safety.