Modified Involute Helical Gears Computerized Design Simulation Of Meshing And Stress Analysis

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Modified Involute Helical Gears: Computerized Design, Simulation of Meshing and Stress Analysis

Author :
Publisher :
ISBN 13 :
Total Pages : 66 pages
Book Rating : 4.:/5 (946 download)

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Book Synopsis Modified Involute Helical Gears: Computerized Design, Simulation of Meshing and Stress Analysis by :

Download or read book Modified Involute Helical Gears: Computerized Design, Simulation of Meshing and Stress Analysis written by and published by . This book was released on 2003 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: The computerized design, methods for generation, simulation of meshing, and enhanced stress analysis of modified involute helical gears is presented. The approaches proposed for modification of conventional involute helical gears are based on conjugation of double-crowned pinion with a conventional helical involute gear. Double-crowning of the pinion means deviation of cross-profile from an involute one and deviation in longitudinal direction from a helicoid surface. Using the method developed, the pinion-gear tooth surfaces are in point-contact, the bearing contact is localized and oriented longitudinally, and edge contact is avoided. Also, the influence of errors of alignment on the shift of bearing contact, vibration, and noise are reduced substantially. The theory developed is illustrated with numerical examples that confirm the advantages of the gear drives of the modified geometry in comparison with conventional helical involute gears.

Modified Involute Helical Gears

Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781720629924
Total Pages : 68 pages
Book Rating : 4.6/5 (299 download)

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Book Synopsis Modified Involute Helical Gears by : National Aeronautics and Space Administration (NASA)

Download or read book Modified Involute Helical Gears written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-03 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: The computerized design, methods for generation, simulation of meshing, and enhanced stress analysis of modified involute helical gears is presented. The approaches proposed for modification of conventional involute helical gears are based on conjugation of double-crowned pinion with a conventional helical involute gear. Double-crowning of the pinion means deviation of cross-profile from an involute one and deviation in longitudinal direction from a helicoid surface. Using the method developed, the pinion-gear tooth surfaces are in point-contact, the bearing contact is localized and oriented longitudinally, and edge contact is avoided. Also, the influence of errors of alignment on the shift of bearing contact, vibration, and noise are reduced substantially. The theory developed is illustrated with numerical examples that confirm the advantages of the gear drives of the modified geometry in comparison with conventional helical involute gears.Glenn Research CenterCOMPUTER AIDED DESIGN; GEARS; STRESS ANALYSIS; COMPUTERIZED SIMULATION; VIBRATION

Gear Geometry and Applied Theory

Author : Faydor L. Litvin
Publisher : Cambridge University Press
ISBN 13 : 9781139455558
Total Pages : 820 pages
Book Rating : 4.4/5 (555 download)

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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.

Novikov/Conformal Gearing

Author : Stephen P. Radzevich
Publisher : Springer Nature
ISBN 13 : 3031100190
Total Pages : 485 pages
Book Rating : 4.0/5 (311 download)

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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.

International Conference on Manufacturing Automation

Author : X. Y. Shao
Publisher : John Wiley & Sons
ISBN 13 : 9781860584688
Total Pages : 868 pages
Book Rating : 4.5/5 (846 download)

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Book Synopsis International Conference on Manufacturing Automation by : X. Y. Shao

Download or read book International Conference on Manufacturing Automation written by X. Y. Shao and published by John Wiley & Sons. This book was released on 2004-12-27 with total page 868 pages. Available in PDF, EPUB and Kindle. Book excerpt: The proceedings of the fourth ICMA in 2004 represent a huge contribution to research in this area. Everyone attending the conference was asked to submit their papers electronically which meant that 100 top quality papers from no less that 10 different countries contributed to the theme of the conference.

High-Conformal Gearing

Author : Stephen Radzevich
Publisher : Elsevier
ISBN 13 : 0128224509
Total Pages : 540 pages
Book Rating : 4.1/5 (282 download)

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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

Gear Geometry and Applied Theory

Author : Faydor L. Litvin
Publisher : Cambridge University Press
ISBN 13 : 9780521815178
Total Pages : 818 pages
Book Rating : 4.8/5 (151 download)

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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

Automotive, Mechanical and Electrical Engineering

Author : Lin Liu
Publisher : CRC Press
ISBN 13 : 1351809679
Total Pages : 782 pages
Book Rating : 4.3/5 (518 download)

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Book Synopsis Automotive, Mechanical and Electrical Engineering by : Lin Liu

Download or read book Automotive, Mechanical and Electrical Engineering written by Lin Liu and published by CRC Press. This book was released on 2017-06-26 with total page 782 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 2016 International Conference on Automotive Engineering, Mechanical and Electrical Engineering (AEMEE 2016) was held December 9-11, 2016 in Hong Kong, China. AEMEE 2016 was a platform for presenting excellent results and new challenges facing the fields of automotive, mechanical and electrical engineering. Automotive, Mechanical and Electrical Engineering brings together a wide range of contributions from industry and governmental experts and academics, experienced in engineering, design and research. Papers have been categorized under the following headings: Automotive Engineering and Rail Transit Engineering. Mechanical, Manufacturing, Process Engineering. Network, Communications and Applied Information Technologies. Technologies in Energy and Power, Cell, Engines, Generators, Electric Vehicles. System Test and Diagnosis, Monitoring and Identification, Video and Image Processing. Applied and Computational Mathematics, Methods, Algorithms and Optimization. Technologies in Electrical and Electronic, Control and Automation. Industrial Production, Manufacturing, Management and Logistics.

Theory and Practice of Gearing and Transmissions

Author : Veniamin Goldfarb
Publisher : Springer
ISBN 13 : 3319197401
Total Pages : 452 pages
Book Rating : 4.3/5 (191 download)

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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.

International Gear Conference 2014: 26th-28th August 2014, Lyon

Author : Philippe Velex
Publisher : Chandos Publishing
ISBN 13 : 1782421955
Total Pages : 1225 pages
Book Rating : 4.7/5 (824 download)

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Book Synopsis International Gear Conference 2014: 26th-28th August 2014, Lyon by : Philippe Velex

Download or read book International Gear Conference 2014: 26th-28th August 2014, Lyon written by Philippe Velex and published by Chandos Publishing. This book was released on 2014-09-18 with total page 1225 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents papers from the International Gear Conference 2014, held in Lyon, 26th-28th August 2014. Mechanical transmission components such as gears, rolling element bearings, CVTs, belts and chains are present in every industrial sector and over recent years, increasing competitive pressure and environmental concerns have provided an impetus for cleaner, more efficient and quieter units. Moreover, the emergence of relatively new applications such as wind turbines, hybrid transmissions and jet engines has led to even more severe constraints. The main objective of this conference is to provide a forum for the most recent advances, addressing the challenges in modern mechanical transmissions. The conference proceedings address all aspects of gear and power transmission technology and range of applications (aerospace, automotive, wind turbine, and others) including topical issues such as power losses and efficiency, gear vibrations and noise, lubrication, contact failures, tribo-dynamics and nano transmissions. - A truly international contribution with more than 120 papers from all over the world - A judicious balance between fundamental research and industrial concerns - Participation of the most respected international experts in the field of gearing - A wide range of applications in terms of size, power, speed, and industrial sector

Green Tribology

Author : Michael Nosonovsky
Publisher : Springer Science & Business Media
ISBN 13 : 3642236812
Total Pages : 630 pages
Book Rating : 4.6/5 (422 download)

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Book Synopsis Green Tribology by : Michael Nosonovsky

Download or read book Green Tribology written by Michael Nosonovsky and published by Springer Science & Business Media. This book was released on 2012-01-15 with total page 630 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tribology is the study of friction, wear and lubrication. Recently, the concept of “green tribology” as “the science and technology of the tribological aspects of ecological balance and of environmental and biological impacts” was introduced. The field of green tribology includes tribological technology that mimics living nature (biomimetic surfaces) and thus is expected to be environmentally friendly, the control of friction and wear that is of importance for energy conservation and conversion, environmental aspects of lubrication and surface modification techniques, and tribological aspects of green applications such as wind-power turbines or solar panels. This book is the first comprehensive volume on green tribology. The chapters are prepared by leading experts in their fields and cover such topics as biomimetics, environmentally friendly lubrication, tribology of wind turbines and renewable sources of energy, and ecological impact of new technologies of surface treatment.

Gears

Author : Vincenzo Vullo
Publisher : Springer Nature
ISBN 13 : 3030365026
Total Pages : 880 pages
Book Rating : 4.0/5 (33 download)

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Book Synopsis Gears by : Vincenzo Vullo

Download or read book Gears written by Vincenzo Vullo and published by Springer Nature. This book was released on 2020-01-24 with total page 880 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book explores the geometric and kinematic design of the various types of gears most commonly used in practical applications, also considering the problems concerning their cutting processes. The cylindrical spur and helical gears are first considered, determining their main geometric quantities in the light of interference and undercut problems, as well as the related kinematic parameters. Particular attention is paid to the profile shift of these types of gears either generated by rack-type cutter or by pinion-rack cutter. Among other things, profile-shifted toothing allows to obtain teeth shapes capable of greater strength and more balanced specific sliding, as well as to reduce the number of teeth below the minimum one to avoid the operating interference or undercut. These very important aspects of geometric-kinematic design of cylindrical spur and helical gears are then generalized and extended to the other examined types of gears most commonly used in practical applications, such as: straight bevel gears; crossed helical gears; worm gears; spiral bevel and hypoid gears. Finally, ordinary gear trains, planetary gear trains and face gear drives are discussed. Includes fully-developed exercises to draw the reader's attention to the problems that are of interest to the designer, as well as to clarify the calculation procedure Topics are addressed from a theoretical standpoint, but in such a way as not to lose sight of the physical phenomena that characterize the various types of gears which are examined The analytical and numerical solutions are formulated so as to be of interest not only to academics, but also to designers who deal with actual engineering problems concerning the gears

Power Transmissions

Author : Datong Qin
Publisher : CRC Press
ISBN 13 : 1315386801
Total Pages : 2126 pages
Book Rating : 4.3/5 (153 download)

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Book Synopsis Power Transmissions by : Datong Qin

Download or read book Power Transmissions written by Datong Qin and published by CRC Press. This book was released on 2016-11-10 with total page 2126 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents papers from the International Conference on Power Transmissions 2016, held in Chongqing, China, 27th-30th October 2016. The main objective of this conference is to provide a forum for the most recent advances, addressing the challenges in modern mechanical transmissions. The conference proceedings address all aspects of gear and power transmission technology and a range of applications. The presented papers are catalogued into three main tracks, including design, simulation and testing, materials and manufacturing, and industrial applications. The design, simulation and testing track covers topics such as new methods and designs for all types of transmissions, modelling and simulation of power transmissions, strength, fatigue, dynamics and reliability of power transmissions, lubrication and sealing technologies and theories, and fault diagnosis of power transmissions. In the materials and manufacturing track, topics include new materials and heat treatment of power transmissions, new manufacturing technologies of power transmissions, improved tools to predict future demands on production systems, new technologies for ecologically sustainable productions and those which preserve natural resources, and measuring technologies of power transmissions. The proceedings also cover the novel industrial applications of power transmissions in marine, aerospace and railway contexts, wind turbines, the automotive industry, construction machinery, and robots.

Advances in Mechanical Engineering and Technology

Author : Ranganath M. Singari
Publisher : Springer Nature
ISBN 13 : 9811696136
Total Pages : 614 pages
Book Rating : 4.8/5 (116 download)

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Book Synopsis Advances in Mechanical Engineering and Technology by : Ranganath M. Singari

Download or read book Advances in Mechanical Engineering and Technology written by Ranganath M. Singari and published by Springer Nature. This book was released on 2022-03-22 with total page 614 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the select proceedings of the International Conference on Advanced Production and Industrial Engineering (ICAPIE) - 2021 held at Delhi Technological University, Delhi, during June 18–19, 2021. The book covers the recent advances and challenges in the area of production and industrial engineering. Various topics covered include artificial intelligence and expert systems, CAD/CAM Integration Technology, CAD/CAM, automation and robotics, computer-aided geometric design and simulation, construction machinery and equipment, design tools, cutting tool material and coatings, dynamic mechanical analysis, optimization and control, energy machinery and equipment, flexible manufacturing technology and system, fluid dynamics, bio-fuels, fuel cells, high-speed/precision machining, laser processing technology, logistics and supply chain management, machinability of materials, composite materials, material engineering, mechanical dynamics and its applications, mechanical power engineering, mechanical transmission theory and applications, non-traditional machining processes, operations management, precision manufacturing and measurement, precision manufacturing and measurement, reverse engineering and structural strength and robustness. This book is useful for various researcher mainly mechanical and allied engineering discipline.

Development of Gear Technology and Theory of Gearing

Author : Faydor L. Litvin
Publisher :
ISBN 13 :
Total Pages : 130 pages
Book Rating : 4.:/5 (317 download)

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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.

Direct Gear Design

Author : Alexander L. Kapelevich
Publisher : CRC Press
ISBN 13 : 1439876185
Total Pages : 319 pages
Book Rating : 4.4/5 (398 download)

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Book Synopsis Direct Gear Design by : Alexander L. Kapelevich

Download or read book Direct Gear Design written by Alexander L. Kapelevich and published by CRC Press. This book was released on 2013-03-22 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the last several decades, gearing development has focused on improvements in materials, manufacturing technology and tooling, thermal treatment, and coatings and lubricants. In contrast, gear design methods have remained frozen in time, as the vast majority of gears are designed with standard tooth proportions. This over-standardization significantly limits the potential performance of custom gear drives, especially in demanding aerospace or automotive applications. Direct Gear Design introduces an alternate gear design approach to maximize gear drive performance in custom gear applications. Developed by the author, the Direct Gear Design® method has been successfully implemented in a wide variety of custom gear transmissions over the past 30 years. The results are maximized gear drive performance, increased transmission load capacity and efficiency, and reduced size and weight. This book explains the method clearly, making it easy to apply to actual gear design. Describes the origin and theoretical foundations of the Direct Gear Design approach as well as some of its applications—and its limits Details the optimization techniques and the specifics of Direct Gear Design Discusses how this approach can be used with asymmetric gears to further improve performance Describes tolerance selection, manufacturing technologies, and measurement methods of custom gears Compares Direct Gear Design with traditional gear design from both an analytical and an experimental perspective Illustrates the applicability and benefits of this gear design approach with implementation examples Written by an engineer for engineers, this book presents a unique alternative to traditional gear design. It inspires readers to explore ways of improving gear transmission performance in custom gear applications, from higher transmission load capacity, efficiency, and reliability to lower size, weight, and cost.

Applied Engineering Sciences

Author : Wei Deng
Publisher : CRC Press
ISBN 13 : 1315762242
Total Pages : 194 pages
Book Rating : 4.3/5 (157 download)

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Book Synopsis Applied Engineering Sciences by : Wei Deng

Download or read book Applied Engineering Sciences written by Wei Deng and published by CRC Press. This book was released on 2015-01-02 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: This proceedings volume contains selected papers presented at the 2014 AASRI International Conference on Applied Engineering Sciences, held in Hollywood, LA, USA. Contributions cover the latest developments and advances in the field of Applied Engineering Sciences.