Local Synthesis and Tooth Contact Analysis of Face-milled Spiral Bevel Gears PDF Download
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Author: Faydor L. Litvin
Publisher:
ISBN:
Category : Gearing, Bevel
Languages : en
Pages : 204
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Book Description
Author: Faydor L. Litvin
Publisher:
ISBN:
Category : Gearing, Bevel
Languages : en
Pages : 204
Get Book Here
Book Description
Author: Faydor L. Litvin
Publisher:
ISBN:
Category : Gearing, Bevel
Languages : en
Pages : 196
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Book Description
Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781722618063
Category :
Languages : en
Pages : 52
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Book Description
Face-milled spiral bevel gears with uniform tooth height are considered. An approach is proposed for the design of low-noise and localized bearing contact of such gears. The approach is based on the mismatch of contacting surfaces and permits two types of bearing contact either directed longitudinally or across the surface to be obtained. Conditions to avoid undercutting were determined. A Tooth Contact Analysis (TCA) was developed. This analysis was used to determine the influence of misalignment on meshing and contact of the spiral bevel gears. A numerical example that illustrates the theory developed is provided. Litvin, F. L. and Wang, A. G. Glenn Research Center...
Author: National Aeronautics and Space Adm Nasa
Publisher:
ISBN: 9781731233806
Category :
Languages : en
Pages : 80
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Book Description
Research was performed to develop a computer program that will: (1) simulate the meshing and bearing contact for face milled spiral beval gears with given machine tool settings; and (2) to obtain the output, some of the data is required for hydrodynamic analysis. It is assumed that the machine tool settings and the blank data will be taken from the Gleason summaries. The theoretical aspects of the program are based on 'Local Synthesis and Tooth Contact Analysis of Face Mill Milled Spiral Bevel Gears'. The difference between the computer programs developed herein and the other one is as follows: (1) the mean contact point of tooth surfaces for gears with given machine tool settings must be determined iteratively, while parameters (H and V) are changed (H represents displacement along the pinion axis, V represents the gear displacement that is perpendicular to the plane drawn through the axes of the pinion and the gear of their initial positions), this means that when V differs from zero, the axis of the pionion and the gear are crossed but not intersected; (2) in addition to the regular output data (transmission errors and bearing contact), the new computer program provides information about the contacting force for each contact point and the sliding and the so-called rolling velocity. The following topics are covered: (1) instructions for the users as to how to insert the input data; (2) explanations regarding the output data; (3) numerical example; and (4) listing of the program. Litvin, Faydor L. and Zhang, YI and Chen, Jui-Sheng Unspecified Center...
Author: Faydor L. Litvin
Publisher: Cambridge University Press
ISBN: 9780521815178
Category : Technology & Engineering
Languages : en
Pages : 818
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Book Description
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
Author: Veniamin Goldfarb
Publisher: Springer
ISBN: 3319197401
Category : Technology & Engineering
Languages : en
Pages : 452
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Book Description
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.
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1308
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 20
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Book Description
An experimental study to investigate the bending stress in aerospace-quality spiral bevel gears was performed. Tests were conducted in the NASA Lewis Spiral Bevel Gear Test Facility. Multiple teeth on the spiral bevel pinion were instrumented with strain gages and tests were conducted from static (slow roll) to 14400 RPM at power levels to 540kW (720 hp). Effects of changing speed and load on the bending stress were measured. Experimental results are compared to those found by three-dimensional finite element analysis.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 60
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Book Description
A new approach for design, generation, and computerized simulation of meshing and contact of face-milled, formate cut spiral bevel gears is presented. The purpose is to develop a low noise, stabilized bearing contact for this type of gear drives. The approach proposed is based on application of three procedures that permit in sequence, to provide a longitudinally directed bearing contact, a predesigned parabolic function of transmission errors and limit the shift of bearing contact caused by errors of alignment. The theory developed is illustrated with an example of design and computation.
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 308
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Book Description
