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Computerized Generation And Simulation Of Meshing And Contact Of New Type Of Novikov Wildhaber Helical Gears
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Book Synopsis Novikov/Conformal Gearing by : Stephen P. Radzevich
Download or read book Novikov/Conformal Gearing written by Stephen P. Radzevich and published by Springer Nature. This book was released on 2022-11-14 with total page 485 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the latest accomplishments in Novikov/conformal gearing as well as high-conformal gearing. It is focused primarily on strength calculation of gear teeth and the manufacturing of gears for Novikov/conformal and high-conformal gearing along with a brief discussion of achievements in the modern theory of gearing. The modern theory of gearing is the foundation of all optimal designs of gears, gear-sets, and transmissions of all known designs, as well as, of all those to be developed in the future. As even a small improvement in efficiency on a single gear can represent a significant cost saving, given the millions of gears used in industry every year, this volume provides the design and manufacturing engineer in invaluable resource.
Book Synopsis Computerized Generation and Simulation of Meshing and Contact of New Type of Novikov-Wildhaber Helical Gears by :
Download or read book Computerized Generation and Simulation of Meshing and Contact of New Type of Novikov-Wildhaber Helical Gears written by and published by . This book was released on 2000 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this report, we propose a new geometry for low-noise, increased-strength helical gears of the Novikov- Wildhaber type. Contact stresses are reduced as a result of their convex-concave gear tooth surfaces. The gear tooth surfaces are crowned in the profile direction to localize bearing contact and in the longitudinal direction to obtain a parabolic function of transmission errors. Such a function results in the reduction of noise and vibrations. Methods for the generation of the proposed gear tooth surfaces by grinding and hobbing are considered, and a tooth contact analysis (TCA) computer program to simulate meshing and contact is applied. The report also investigates the influence of misalignment on transmission errors and shift of bearing contact. Numerical examples to illustrate the developed approaches are proposed.
Author :National Aeronautics and Space Adm Nasa Publisher :Independently Published ISBN 13 :9781723822124 Total Pages :58 pages Book Rating :4.8/5 (221 download)
Book Synopsis Computerized Generation and Simulation of Meshing and Contact of New Type of Novikov-Wildhaber Helical Gears by : National Aeronautics and Space Adm Nasa
Download or read book Computerized Generation and Simulation of Meshing and Contact of New Type of Novikov-Wildhaber Helical Gears written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2018-09-19 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this report, we propose a new geometry for low-noise, increased-strength helical gears of the Novikov-Wildhaber type. Contact stresses are reduced as a result of their convex-concave gear tooth surfaces. The gear tooth surfaces are crowned in the profile direction to localize bearing contact and in the longitudinal direction to obtain a parabolic function of transmission errors. Such a function results in the reduction of noise and vibrations. Methods for the generation of the proposed gear tooth surfaces by grinding and hobbing are considered, and a tooth contact analysis (TCA) computer program to simulate meshing and contact is applied. The report also investigates the influence of misalignment on transmission errors and shift of bearing contact. Numerical examples to illustrate the developed approaches are proposed. The proposed geometry was patented by Ford/UIC (Serial Number 09-340-824, pending) on June 28, 1999.Litvin, Faydor L. and Feng, Pin-Hao and Lagutin, Sergei A.Glenn Research CenterCOMPUTERIZED SIMULATION; GEAR TEETH; GEARS; GEOMETRY; TECHNOLOGY UTILIZATION; NOISE REDUCTION; VIBRATION DAMPING
Book Synopsis Computerized Generation and Simulation of Meshing of Modified Spur and Helical Gears Manufactured by Shaving by :
Download or read book Computerized Generation and Simulation of Meshing of Modified Spur and Helical Gears Manufactured by Shaving written by and published by . This book was released on 2001 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modification of geometry of spur and helical gears with parallel axes and helical gears with crossed axes is proposed. The finishing process of gear generation is shaving. The purposes of modification of the gear geometry are to localize and stabilize the bearing contact, and to reduce noise and vibration. The goals mentioned above are achieved by using profile crowning and plunging the shaver by a prescribed motion during pinion generation. The pinion becomes double crowned. The gear member is generated as a conventional involute gear. A tooth contact analysis (TCA) program for simulation of meshing and contact was developed and the analysis is illustrated with TCA results for spur and helical gears.
Book Synopsis Gear Geometry and Applied Theory by : Faydor L. Litvin
Download or read book Gear Geometry and Applied Theory written by Faydor L. Litvin and published by Cambridge University Press. This book was released on 2004-09-06 with total page 820 pages. Available in PDF, EPUB and Kindle. Book excerpt: This revised, expanded, edition covers the theory, design, geometry and manufacture of all types of gears and gear drives. This is an invaluable reference for designers, theoreticians, students, and manufacturers. This edition includes advances in gear theory, gear manufacturing, and computer simulation. Among the new topics are: 1. New geometry for modified spur and helical gears, face-gear drives, and cycloidal pumps. 2. New design approaches for one stage planetary gear trains and spiral bevel gear drives. 3. An enhanced approach for stress analysis of gear drives with FEM. 4. New methods of grinding face gear drives, generating double crowned pinions, and improved helical gear shaving. 5. Broad application of simulation of meshing and TCA. 6. New theories on the simulation of meshing for multi-body systems, detection of cases wherein the contact line on generating surfaces may have its own envelope, and detection and avoidance of singularities of generated surfaces.
Book Synopsis High-Conformal Gearing by : Stephen Radzevich
Download or read book High-Conformal Gearing written by Stephen Radzevich and published by Elsevier. This book was released on 2020-07-04 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt: The new edition of High-Conformal Gearing continues to address the kinematics and the geometry of conformal (Novikov) gearing and high-conformal gearing. The book deals with gears that feature convex-to-concave contact of the tooth flanks of a gear and a mating pinion. Gears of this type are commonly referred to as conformal gearings. Novikov gearing is the most widely known example of conformal gearing. The helical gearing by Wildhaber, Bramley-Moore (otherwise known as the Vivkers, Bostock, and Bramley gearing, or just V.B.B.-gearing), are well-known designs of gearing that are loosely referred to as conformal gearing. The principal differences between conformal gearing as well as high-conformal gearing and Wildhaber helical gearing are outlined. It also shows that Wildhaber helical gearing from one side, and Novikov gearing from another side, are two completely different gear systems that cannot be combined into a common gear system. This book aids mechanical, automotive, and robotics engineers specializing in gear design with successfully transmitting a rotation. It also serves as a resource for graduate students taking advanced courses in gear design. - Discusses the kinematics and geometry of conformal and high-conformal gearing - Provides a specific set of conditions which need to be met when designing conformal and high-conformal gears - Outlines the principal differences between conformal, high-conformal and Wildhaber helical gearing
Book Synopsis Theory and Practice of Gearing and Transmissions by : Veniamin Goldfarb
Download or read book Theory and Practice of Gearing and Transmissions written by Veniamin Goldfarb and published by Springer. This book was released on 2015-08-26 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book brings together papers from all spheres of mechanical engineering related to gears and transmissions, from fundamentals to advanced applications, from academic results in numerical and experimental research, to new approaches to gear design and aspects of their optimization synthesis and to the latest developments in manufacturing. Furthermore, this volume honours the work of Faydor L. Litvin on the 100th anniversary of this birth. He is acknowledged as the founder of the modern theory of gearing. An exhaustive list of his contributions and achievements and a biography are included.
Book Synopsis New Methods for Improved Double Circular-Arc Helical Gears by : Faydor L. Litvin
Download or read book New Methods for Improved Double Circular-Arc Helical Gears written by Faydor L. Litvin and published by . This book was released on 1997 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors have extended the application of double circular-arc helical gears for internal gear drives. The geometry of the pinion and gear tooth surfaces has been determined. The influence of errors of alignment on the transmission errors and the shift of the bearing contact have been investigated. Application of a predesigned parabolic function for the reduction of transmission errors was proposed. Methods of grinding of the pinion-gear tooth surfaces by a disk-shaped tool and a grinding worm were proposed.
Book Synopsis Gear Geometry and Applied Theory by : Faydor L. Litvin
Download or read book Gear Geometry and Applied Theory written by Faydor L. Litvin and published by Cambridge University Press. This book was released on 2004-09-06 with total page 818 pages. Available in PDF, EPUB and Kindle. Book excerpt: This revised, expanded edition covers the theory, design, geometry, and manufacture of all types of gears and gear drives. An invaluable reference for designers, theoreticians, students, and manufacturers, the second edition includes advances in gear theory, gear manufacturing, and computer simulation. Among the new topics are: new geometry for gears and pumps; new design approaches for planetary gear trains and bevel gear drives; an enhanced approach for stress analysis; new methods of grinding and gear shaving; and new theory on the simulation and its application. First Edition published by Pearson Education Hb (1994): 0-132-11095-4
Download or read book Journal of Mechanical Design written by and published by . This book was released on 2007 with total page 684 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the ... International Power Transmission and Gearing Conference by :
Download or read book Proceedings of the ... International Power Transmission and Gearing Conference written by and published by . This book was released on 1996 with total page 852 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 50th Anniversary of the Design Engineering Division by : American Society of Mechanical Engineers
Download or read book 50th Anniversary of the Design Engineering Division written by American Society of Mechanical Engineers and published by . This book was released on 1995 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Who's Who in Science and Engineering 2008-2009 by : Who's Who Marquis
Download or read book Who's Who in Science and Engineering 2008-2009 written by Who's Who Marquis and published by . This book was released on 2007-12 with total page 2472 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Planetary Gear Trains by : Kiril Arnaudov
Download or read book Planetary Gear Trains written by Kiril Arnaudov and published by CRC Press. This book was released on 2019-03-27 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides comprehensive information for various planetary gear trains, with practical applications and comprehensive references to technical articles. In the text's chapters, readers can find all the information needed for various types of gear trains, with illustrations and examples. The authors help gear designers to creatively understand the design of gears, as well as master the mechanical calculations needed. Planetary Gear Trains is the most comprehensive and up-to-date work available in this key technical area. The book reflects not only teaching, but also the practical experience of the authors. It was developed under the motto "From practice to practice".
Author :Michael Joseph French Publisher :Springer Science & Business Media ISBN 13 :1447136276 Total Pages :260 pages Book Rating :4.4/5 (471 download)
Book Synopsis Conceptual Design for Engineers by : Michael Joseph French
Download or read book Conceptual Design for Engineers written by Michael Joseph French and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although first published nearly thirty years ago, this book remains up-to-date, intellectually stimulating and realistic. Unlike most texts in the field, it relates design closely to the science and mathematics that are students' chief concern, and shows their relevance. It shows how to make simple but illuminating calculations, and how to achieve the insight and the invention that often result from them. Covering design principles in depth, this is, and remains, an original book: although some of the ideas which were novel in 1971 are now widely accepted, others remain new.
Book Synopsis Development of Gear Technology and Theory of Gearing by : Faydor L. Litvin
Download or read book Development of Gear Technology and Theory of Gearing written by Faydor L. Litvin and published by . This book was released on 1997 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents recent developments in the theory of gearing and the modifications in gear geometry necessary to improve the conditions of meshing. Highlighted are low-noise gear drives that have a stable contact during meshing and a predesigned parabolic transmission error function that can handle misalignment during operation without sacrificing the low-noise aspects of operation. This book also provides a comprehensive history of the develoment of the theory of gearing through biographies of major contributors to this field. The author's unique historical perspective was achieved by assiduous research into the lives of courageous, talented, and creative men who made significant contributions to the field of gearing.
Book Synopsis Noncircular Gears by : Faydor L. Litvin
Download or read book Noncircular Gears written by Faydor L. Litvin and published by Cambridge University Press. This book was released on 2014-03-06 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: Noncircular Gears: Design and Generation represents the extension of the modern theory of gearing applied to the design and manufacture of the main types of noncircular gears: conventional and modified elliptical gears, eccentric gears, oval gears, gears with lobes, and twisted gears. This book is enhanced by updated theoretical description of the methods of generation of noncircular gears by enveloping methods similar to those applied to the generation of circular gears. Noncircular Gears: Design and Generation also offers new developments directed to extend the application of noncircular gears for output speed variation and generation of functions. Numerous numerical examples show the application of the developed theory. This book aims to extend the application of noncircular gear drives in mechanisms and industry.
