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Relevant bibliographies by topics / Bevel gear

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Academic literature on the topic 'Bevel gear'

Author: Grafiati

Published: 4 June 2021

Last updated: 5 February 2022

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Journal articles on the topic "Bevel gear"

1

Wu, Xun Cheng, Jing Tao Han, and Jia Fu Wang. "A Mathematical Model for the Generated Gear Tooth Surfaces of Spiral Bevel and Hypoid Gears." Advanced Materials Research 314-316 (August 2011): 384–88. http://dx.doi.org/10.4028/www.scientific.net/amr.314-316.384.

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It is an important and fundamental work to establish a general mathematical model for the gear tooth surfaces of spiral bevel and hypoid gears. Based on the three-axis CNC bevel gear machine, a mathematical model with the equations of the radial position vector, the normal unit vector and the second order parameters for the generated gear tooth surfaces of spiral bevel and hypoid gears is established. The mathematical model can be used for the gear tooth surfaces generated in different types on both the three-axis CNC bevel gear machine and the cradle bevel gear machine. As an application example of the mathematical model, the generating motions of the cradle bevel gear machine are determined.

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Li, Qiang, Wen He, Hong Bo Yan, and Hong Xiang Zhang. "Logarithmic Spiral Bevel Gear Tooth Contact Inspection." Applied Mechanics and Materials 44-47 (December 2010): 1345–49. http://dx.doi.org/10.4028/www.scientific.net/amm.44-47.1345.

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Introduction of spiral bevel gear tooth contact detection method, detection method based on the principle of EPG in the Y9550-type bevel gear roll tester on a pair of spiral bevel gear tooth contact area of sample detection experiment, obtained by experiment logarithmic spiral bevel gear contact area of the location, shape and size of the result. The experimental results with the Gleason spiral bevel gear contact area and the ideal number of spiral bevel gears on the contact area were compared, obtained on the number of spiral bevel gear tooth contact of the correlation.

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Lin, Zheng, and Li Gang Yao. "General Mathematical Model of Internal Meshing Spiral Bevel Gears for Nutation Drive." Applied Mechanics and Materials 101-102 (September 2011): 708–12. http://dx.doi.org/10.4028/www.scientific.net/amm.101-102.708.

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The general mathematical model of internal meshing spiral bevel gears for nutation drive is studied. Based on conventional enveloping theory and transmission principle, the meshing of two spiral bevel gears in nutation drive was substituted by the meshing of an imaginary rotating crown gear engaging with the external and internal bevel gear respectively. The general mathematical model of crown gear was established. Then the general mathematical model of internal meshing spiral bevel gears is obtained by matrix transformation, which is suitable for a variety of gear tooth profiles. Finally, the mathematical model and 3D modeling of double circular-arc spiral bevel gears are developed.

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Wu, Xiu Hai. "Parametric Modeling for Spiral Bevel Gear Based on PRO/E." Applied Mechanics and Materials 215-216 (November 2012): 1062–66. http://dx.doi.org/10.4028/www.scientific.net/amm.215-216.1062.

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The author describes tooth profile formatting mechanism of spherical involute spiral bevel gear based on Principles of Gear conjugate, establishes the mathematical model of spiral bevel gears. The precise spherical involute of spiral bevel gears is generated with parametric modeling idea and th secondary development method based on PROGRAM of PRO/E software. Finally, a complete spherical three-dimensional modeling of the involute spiral bevel gear is established, which provides a method of parametric design and manufacturing of spiral bevel gears.

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Michalczewski, Remigiusz, Marek Kalbarczyk, Waldemar Tuszynski, and Marian Szczerek. "The Scuffing Resistance of WC/C Coated Spiral Bevel Gears." Key Engineering Materials 604 (March 2014): 36–40. http://dx.doi.org/10.4028/www.scientific.net/kem.604.36.

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One of the main problems with the operation of spiral bevel gears is related to very severe conditions in the contact of the meshing teeth; therefore, lubrication is very difficult, which increases the risk of scuffing occurrence. One of the ways to achieve better scuffing resistance is by the deposition of a low-friction coating on the bevel gears teeth. Gear scuffing tests were performed using a bevel gear test rig designed and manufactured at ITeE-PIB. The authorial bevel gear scuffing test was performed. Specially designed, spiral bevel gears were used for testing. Two material combinations were tested: uncoated pinion - coated wheel and, for reference, both gears without coatings. The a-C:H:W (trade name WC/C) coating of DLC type was deposited on the wheel teeth. A mineral, automotive gear oil of API GL-5 performance level was used for lubrication. It is shown that the resistance to scuffing may be significantly improved when the a-C:H:W coating is deposited on the spiral bevel gear teeth.

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Xu, Yan Wei. "Research on Machining Simulation of Large Scale Spiral Bevel Gear Machine Tool." Advanced Materials Research 476-478 (February 2012): 610–13. http://dx.doi.org/10.4028/www.scientific.net/amr.476-478.610.

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The machining coordinate system of spiral bevel gear machine tool is established through analyzing the machining mechanism of spiral bevel gear, and the three dimensional structure model of large scale spiral bevel gear machine tool is also established using the new cutting feed method. The numerical control machining model of large scale spiral bevel gear machine tool is proposed. Finally, the machining simulation of one pair of given large scale spiral bevel gears has been done, the result indicates that the machining simulation model meets the prospective design requirement.

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Lin, Zheng, and Li Gang Yao. "Mathematical Model and 3D Modeling of Involute Spiral Bevel Gears for Nutation Drive." Advanced Materials Research 694-697 (May 2013): 503–6. http://dx.doi.org/10.4028/www.scientific.net/amr.694-697.503.

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The mathematical model and 3D modeling of involute spiral bevel gears for nutation drive are considered. The basic tooth profile of involute is composed of involute curve and dedendum transition curve, and the equations have been established. The mathematical model of crown gear with involute profile is obtained, and then the mathematical models of the involute spiral bevel gears are developed. The tooth surface modeling of involute spiral bevel gear is proposed, and the 3D modeling of the involute spiral bevel gear for nutation drive is illustrated.

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Chen, Yang Zhi, and Xiong Dun Xie. "Two-step method of nanosecond pulse laser ablation manufacturing of miniature bevel line gears." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 235, no. 1-2 (July 7, 2020): 255–64. http://dx.doi.org/10.1177/0954405420932445.

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Miniature gears have important research value and application prospects in micro-scale machinery. The existing manufacturing methods for miniature gears produce spur gears on the micron scale and spur, helical and bevel gears on the millimetre scale. However, there is no mature process for gears on the micron scale for angular transmissions, such as bevel gears. This article reports for the first time the micro-machining of a miniature bevel gear with an external size of 1–2 mm based on a novel gear structure: the bevel line gear. First, a novel manufacturing method, namely the two-step method of nanosecond pulse laser ablation (NSPLA), is proposed. Then, a sample of a miniature bevel line gear is fabricated from 6061 aluminium alloy with a top angle of 90°, external diameter of 1375 μm, tooth number of 3 and average tooth width of 20 μm. Finally, the accuracy of the sample is studied to confirm the practicability of the proposed method.

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O¨zel, Cihan, Ali I˙nan, and Latif O¨zler. "An Investigation on Manufacturing of the Straight Bevel Gear Using End Mill by CNC Milling Machine." Journal of Manufacturing Science and Engineering 127, no. 3 (August 1, 2005): 503–11. http://dx.doi.org/10.1115/1.1863256.

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Accurate manufacturing of bevel gears is an important problem for small workshops because the module milling cutters used for manufacturing are not accurate enough for the task. In this study, manufacturing of straight bevel gears is investigated by using end mills in CNC milling with a vertical machining center. By using this method, use of auxiliary apparatus, special cutters (such as the circular cutter, the rack cutter, etc.), and special machine tools are not required. For the study, first the straight bevel gear was modeled by Tredgold’s approach and manufacturing equations of the straight bevel gear were obtained. For the straight bevel gear manufacturing, a macro program was prepared and used. Afterward, the straight bevel gear was manufactured by using this program in a CNC milling machine, the Dyna 2900 machine. The results of the measurement data for a single tooth on the gear manufactured and the theoretical values are presented and discussed.

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Fong, Zhang-Hua, and Chung-Biau Tsay. "The Undercutting of Circular-Cut Spiral Bevel Gears." Journal of Mechanical Design 114, no. 2 (June 1, 1992): 317–25. http://dx.doi.org/10.1115/1.2916949.

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Undercutting is a serious problem in designing spiral bevel gears with small numbers of teeth. Conditions of undercutting for spiral bevel gears vary with the manufacturing methods. Based on the theory of gearing [1], the tooth geometry of the Gleason type circular-cut spiral bevel gear is mathematically modeled. The sufficient and necessary conditions for the existence and regularity of the generated gear tooth surfaces are investigated. The conditions of undercutting for a circular-cut spiral bevel gear are defined by the sufficient conditions of the regular gear tooth surface. The derived undercutting equations can be applicable for checking the undercutting conditions of spiral bevel gears manufactured by the Gleason Duplex Method, Helical Duplex Method, Fixed Setting Method, and Modified Roll Method. An example is included to illustrate the application of the proposed undercut checking equations.

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Dissertations / Theses on the topic "Bevel gear"

1

Hua, Xia. "Hypoid and Spiral Bevel Gear Dynamics with Emphasis on Gear-Shaft-Bearing Structural Analysis." University of Cincinnati / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1289944847.

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Peng, Tao. "Coupled Multi-body Dynamic and Vibration Analysis of Hypoid and Bevel Geared Rotor System." University of Cincinnati / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1282931782.

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Hotait, Mohammad Adel. "A Theoretical and Experimental Investigation on Bending Strength and Fatigue Life of Spiral Bevel and Hypoid Gears." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1296853688.

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Klein, Alexander. "Spiral bevel and hypoid gear tooth cutting with coated carbide tools /." Aachen : Shaker, 2007. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=015866212&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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Wang, Yawen. "Vibration and Sound Radiation Analysis of Vehicle Powertrain Systems with Right-Angle Geared Drive." University of Cincinnati / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1491318542819425.

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Klein, Alexander [Verfasser]. "Spiral Bevel and Hypoid Gear Tooth Cutting with Coated Carbide Tools / Alexander Klein." Aachen : Shaker, 2007. http://d-nb.info/1166510123/34.

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Wang, Jun. "Nonlinear Time-varying Gear Mesh and Dynamic Analysis of Hypoid and Bevel Geared Rotor Systems." University of Cincinnati / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1186604249.

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Al-fozan, Adel. "3-D simulation and optimization of forging of a complex bevel gear using the finite element method." Ohio : Ohio University, 1998. http://www.ohiolink.edu/etd/view.cgi?ohiou1177006776.

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Rampilla, Lokamanya Siva Manohar. "A FINITE ELEMENT APPROACH TO STRESS ANALYSIS OF FACE GEARS." Cleveland State University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=csu1337095318.

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Bianchi, Kleber Eduardo. "Desenvolvimento de um sistema de transmissão mecânica baseado em engrenagens cônicas e faciais." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2009. http://hdl.handle.net/10183/17877.

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O presente trabalho foi desenvolvido com o intuito de propor um sistema de transmissão mecânica baseado em engrenagens cônicas e faciais, de razões de velocidades escalonadas, para uso industrial e no setor da mobilidade. Em virtude do grande desenvolvimento das transmissões compostas por engrenagens faciais nos últimos anos, implementado por centros de pesquisa da área e por indústrias do setor aeronáutico, um dos objetivos deste trabalho foi estender o campo de aplicação dessas engrenagens para outros campos da engenharia. Inicialmente, mostra-se um estudo dos principais tipos de transmissões mecânicas presentes na indústria e, principalmente, no setor da mobilidade; área em que, usualmente, encontram-se os requisitos mais elevados de operação. Além disso, foi realizada uma revisão bibliográfica abordando tópicos importantes relacionados às engrenagens em geral e, mais especificamente, às transmissões cônicas e faciais. Esta revisão serviu de base para a implementação dos algoritmos para modelagem das engrenagens do sistema proposto. Para validar o conceito, um protótipo foi construído e testado, tendo como principal objetivo a comprovação da viabilidade e eficácia do sistema proposto, tanto na transmissão do movimento como na alteração da razão de velocidades. Realizados os testes, observou-se que, efetivamente, o sistema atendeu aos atributos funcionais especificados. Para a construção desse protótipo, as engrenagens envolvidas passaram por um processo de modelagem matemática, seguida pela modelagem sólida em software de CAD e pela fabricação em centro de usinagem. Para complementar o estudo, foi implementada uma rotina baseada nas normas AGMA, com foco na determinação das dimensões do pinhão, componente mais crítico do sistema. Desta forma, este trabalho permitiu avaliar os aspectos funcionais e elaborar um procedimento de projeto das engrenagens que compõem a transmissão proposta, concluindo que esta apresenta características herdadas das engrenagens faciais - facilidade de fabricação com custos competitivos - bem como características que a tornam adequada para operação automática em aplicações com alta taxa de flutuação da carga de trabalho, quais sejam: pequena variação da relação de transmissão e simplicidade do mecanismo de alteração da relação de velocidades.
This work was developed with the aim of propose a multi-speed mechanical gear drive based on face and bevel gears, for industrial and mobility field applications. Because of the recent great development of face gears, implemented by gear research centers and by aeronautical industry, one of the present work objectives was the extension of the application of these gears to other areas. The text begins with a brief review of the most used mechanical transmissions in the industry and, mainly, in the mobility field, where usually are found the higher loading and operation requirements. Also, important topics related to all gear transmissions and, more specifically, to bevel and face gears are presented. This review gave support for the algorithms implemented for the gears modeling. In sequence, for concept validation, a prototype was constructed and tested. The main objective of this prototype was proving that the original concept was viable and effective to transmit motion and change the ratio of velocities. After the tests, it was observed that, effectively, the system attended to specified functional attributes. For prototype construction, the related gears have been mathematically modeled, which was followed by the solid modeling in a CAD software and, finally, by the manufacturing process in a CNC milling machine. To extend the knowledge about the proposed transmission, an algorithm based on AGMA standards was implemented to assist in the analysis process related to the pinions, which are the most critical components of the system. As a result, this work allowed to validate the functional aspects and to elaborate a gear design procedure for the proposed system. Such system presents features inherited from face gears - constructive and manufacturing simplicity, meaning competitive costs -as well as features that make it adequate for automatic operation in high working load floating rates, which are: small ratio of velocities variation and mechanical simplicity of gears changing mechanism.

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Books on the topic "Bevel gear"

1

Klingelnberg, Jan, ed. Bevel Gear. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-43893-0.

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Handschuh, Robert F. A method for determining spiral-bevel gear tooth geometry for finite element analysis. [Washington, DC]: National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program, 1991.

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Litvin, F. L. Local synthesis and tooth contact analysis of face-milled, uniform tooth height spiral bevel gears. [Washington, DC]: National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program, 1997.

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Litvin, F. L. Local synthesis and tooth contact analysis of face-milled, uniform tooth height spiral bevel gears. [Washington, D.C.]: National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program, 1996.

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5

Handschuh, Robert F. Thermal behavior of spiral bevel gears. [Washington, DC]: National Aeronautics and Space Administration, 1995.

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Handschuh, Robert F. Experimental and analytical assessment of the thermal behavior of spiral bevel gears. [Washington, D.C.]: National Aeronautics and Space Administration, 1995.

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Handschuh, Robert F. Experimental and analytical assessment of the thermal behavior of spiral bevel gears. [Washington, D.C.]: National Aeronautics and Space Administration, 1995.

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Handschuh, Robert F. Experimental and analytical assessment of the thermal behavior of spiral bevel gears. [Washington, D.C.]: National Aeronautics and Space Administration, 1995.

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9

Altidis, P. C. Flexibility effects on tooth contact location in spiral bevel gear transmissions. Cleveland, Ohio: Lewis Research Center, 1987.

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10

Handschuh, Robert F. Effect of lubricant jet location on spiral bevel gear operating temperatures. Cleveland, Ohio: National Aeronautics and Space Administration, Lewis Research Center, 1992.

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Book chapters on the topic "Bevel gear"

1

Klingelnberg, Jan. "Fields of Application for Bevel Gears." In Bevel Gear, 1–10. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-43893-0_1.

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Klingelnberg, Jan. "Fundamentals of Bevel Gears." In Bevel Gear, 11–56. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-43893-0_2.

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Klingelnberg, Jan. "Design." In Bevel Gear, 57–100. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-43893-0_3.

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Klingelnberg, Jan. "Load Capacity and Efficiency Wirkungsgrad." In Bevel Gear, 101–95. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-43893-0_4.

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Klingelnberg, Jan. "Noise BehaviorGeräuschverhalten." In Bevel Gear, 197–232. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-43893-0_5.

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Klingelnberg, Jan. "Manufacturing Process." In Bevel Gear, 233–90. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-43893-0_6.

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Klingelnberg, Jan. "Quality Assurance." In Bevel Gear, 291–310. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-43893-0_7.

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Klingelnberg, Jan. "Dynamics of Machine Tools." In Bevel Gear, 311–20. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-43893-0_8.

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Klingelnberg, Jan. "Erratum to: Bevel Gear." In Bevel Gear, E1—E2. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-43893-0_9.

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Radzevich, Stephen P. "Gear Cutting Tools for Machining Bevel Gears." In Gear Cutting Tools, 239–67. Second edition. | Boca Raton : Taylor & Francis, CRC Press, 2018.: CRC Press, 2017. http://dx.doi.org/10.1201/b22164-17.

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Conference papers on the topic "Bevel gear"

1

Xu, Yanwei, Lianhong Zhang, Wei Wei, and Leping Wang. "Virtual Simulation Machining on Spiral Bevel Gear with New Type Spiral Bevel Gear Milling Machine." In 2009 International Conference on Measuring Technology and Mechatronics Automation. IEEE, 2009. http://dx.doi.org/10.1109/icmtma.2009.442.

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Nagata, Shigeyoshi, and Tsutomu Komori. "A Research on Bevel Gear Hobbing." In ASME 1992 Design Technical Conferences. American Society of Mechanical Engineers, 1992. http://dx.doi.org/10.1115/detc1992-0027.

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Abstract At present, hob cutters have mainly been used for the tooth cutting of gears. The each blades of the hob cutter have generally been designed with the same module size, therefore, it is not possible to cut gears of another module size using the aforementioned hob cutter. In our research, from the above viewpoint we have through theoretical analysis of a new hob cutter, tried to design a module hob cutter which is able to cut gears of several module sizes during rough cutting. Hereinafter, we are to call this new hob cutter “Variable Module Hob Cutter (= VMHC)”. This “VMHC” is not uniform in the whole length of hob cutter. It is designed so that the module size is made to vary in accordance with axial direction. With this “VMHC”, not only is it possible for us to cut the tooth profile of gear in any variety of module sizes, but also it is expected to be very suitable for cutting bevel gears by using general type hobbing machine. Most of bevel gears are manufactured by a unipurpose machine tool. Bevel gears, however, are able to be manufactured easily even by using the general type hobbing machine by applying the conventional method of tooth cutting and this hob cutter. The bevel gears have been difficult to manufacture by the conventional hob cutter. However, we will be able to expect to get “VMHC” easily through use of CNC technology.

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Kozharinov, Egor, and Jury Temis. "Simulation of Accessory Drives Bevel Gears Dynamic Conditions." In ASME 2014 Gas Turbine India Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/gtindia2014-8139.

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Bevel gears of modern aviation motors operate at high rotation velocities and transmitted torques. High dynamic load in bevel mesh due to impact interaction of teeth in contact actuates gear rim oscillations. Coincidence of dynamic load frequency and bevel gear natural frequency of nodal diameter can cause oscillation amplitude grow and gear rim breakdown. By harmonic response analysis it is shown, that highest stresses in gear rim appears during gear oscillation by two or three nodal diameters. Gear root is a stress concentration in this case. In this paper methods of bevel gears dynamic behavior simulation are considered. A 3D solid dynamic model of bevel gear drive with transient contact interaction between pinion and gear by curvilinear teeth subject to tooth profile modification has been developed. An actuation was made by kinematic way by applying rotational velocity to driving pinion. A transmitted torque is applied to driven gear. An energy dissipation in gear material is considered in model. A transmission error of bevel gears depending on profile modification, transmitted torque and diaphragm stiffness is calculated. It is shown, that applying tooth profile modification helps to avoid stress concentration on teeth flank, decreases transmission error and derivatives of it’s function. As a result of calculation a function of disturbing force, actuating in gear mesh, dynamic transmission error and first principal stresses of gear crown face in time domain has been obtained. A spectral analysis of disturbing force and first principal stresses of gear rim is executed. As a result, it is shown, that gearing mesh is a source of poly-harmonic excitation of bevel gears. The maximum amplitude in contact force spectra is at frequency four times greater, than tooth frequency, and the maximum amplitude in first principal stresses of gear crown face spectra is at tooth frequency. Using a first principal stresses law of variation a new criterion of bevel gear rim strength is obtained.

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Chambers, R. O., and R. E. Brown. "Coordinate Measurement of Bevel Gear Teeth." In 1987 SAE International Off-Highway and Powerplant Congress and Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1987. http://dx.doi.org/10.4271/871645.

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Dooner, David B. "Hobbing of Bevel and Hypoid Gears." In ASME 2013 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/detc2013-12899.

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The paper presents a hyperboloidal hob cutter similar to a cylindrical hob cutter used to fabricate spur and helical gear elements today. This hyperboloidal cutter can be used to manufacture bevel and hypoid gear elements using an existing CNC hobbing machine. These bevel and hypoid gear elements can be either spur or spiral. This hyperboloidal hob cutter is entirely different from the circular face cutters today as part of face hobbing. A brief overview of the existing circular face cutting technology is presented along with some of its geometric limitations. Subsequently, concepts of the hyperboloidal hob cutter are presented. These concepts include crossed hyperboloidal gears, cutter spiral angle, invariant speed relations, and cutter coordinates. Two illustrative examples are presented to demonstrate the concept of the hyperboloidal hob cutter. The first example is a spur bevel gear pair and the second example is a spiral hypoid gear pair. Virtual models of the cutter in mesh with the gear elements are presented.

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Watanabe, Masaki, Minoru Maki, Sumio Hirokawa, and Yasuhiro Kishimoto. "A Study on Forging of Spiral Bevel Gear." In ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/detc2007-34895.

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This study reports the method of forging of spiral bevel gear. Two ideas for crowning of tooth surface to obtain point contact for forging gears are proposed. By one idea, tooth surface of pinion meshes with the gear tooth surface by conjugate point contact. And the trace of contact points on the gear tooth surface is perpendicular to the lengthwise direction of gear tooth, namely becomes the “square contact” so called in gear technology. The trace can be set arbitrarily on the gear tooth, by setting the pitch point arbitrarily. By another idea, the trace of contact points lies along the tooth trace of the gear tooth. Both ideas proposed in this report, the numerical dataset of teeth surface of pinion and gear are given by the contact lines with the cutter cone. The dataset of teeth surface of pinion and gear are calculated to cut a pair of electrodes of spiral bevel gear. Tooth contacts of proposed gearing are confirmed by the 3D drawing of tooth surfaces. The tooth contact of the master pinion and gear were made and tested by tooth contact testing apparatus. The contact marks coincide well with the theoretical contact pattern estimated by 3D/CAD expression. The good results of running test of the performance of the master gear has been given. The authors completed the forging of spiral bevel gear pairs by two methods proposed in this report.

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Baolong Su, Ruiqing Wang, and Shuping Hai. "Research on manufacturing of a new bevel gear based on the three-axis CNC bevel gear machine." In 2011 Second International Conference on Mechanic Automation and Control Engineering (MACE). IEEE, 2011. http://dx.doi.org/10.1109/mace.2011.5988412.

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Webb, Thomas, Carol Eastwick, and Herve´ Morvan. "Parametric Modelling of a Spiral Bevel Gear Using CFD." In ASME Turbo Expo 2010: Power for Land, Sea, and Air. ASMEDC, 2010. http://dx.doi.org/10.1115/gt2010-22632.

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Abstract:

Initial results investigating windage power loss on a rotating shrouded spiral bevel gear using a parametric solid model and Computational Fluid Dynamics (CFD) are presented. The context behind this study is a desire to use CFD as a tool to investigate heat-to-oil within gas turbine bearing chambers and gearboxes in order to reduce costly rig-based experiments. This paper contains the methodology for creation of the parametric model of a spiral bevel gear in Pro/Engineer, formulation of a mesh in ICEM CFD and the subsequent CFD analysis in Fluent 6.2.26 and 12.0.16. A single tooth segment of a 91 teethed spiral bevel gear is produced with periodic boundaries imposed to reduce computational cost. Validation against experimental results for a single control gear is shown with particularly good correlation between static pressure rise across the face of the gear. Mesh verification is also presented. Using the model to change the module of the gear (effectively the number of teeth), investigations show that windage power loss reduces when the number of teeth increases. Analysis of the static pressure variation throughout the domain shows that all gears tested exhibit a linearly increasing relationship between non-dimensional mass-flow-rate and the pressure drop through the shroud restriction. The control gear was seen to have only a weak increase in static pressure gain across the gear tooth as the mass-flow-rate increases; however, a far larger increase exists for the module cases tested — at comparable mass-flow-rates to the control gear. As the number of teeth increase, the pressure gain across the gear reduces, and vice-versa. It is this difference between the gears that results in dissimilar windage power losses.

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Figliolini, Giorgio, and Jorge Angeles. "Algorithms for Involute and Octoidal Bevel-Gear Generation." In ASME 2004 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/detc2004-57268.

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A suitable formulation and the implementing algorithms for involute and octoidal bevel-gear generation are proposed in this paper. In particular, the exact spherical involute tooth profile of bevel gears and their crown-rack is obtained through the pure-rolling motion of a great circle of the fundamental sphere on the base cone. Moreover, the tooth flank surface of octoidal bevel gears is obtained as the envelope of the tooth flat flank of the octoidal crown-rack during the pure-rolling motion of its flat pitch curve on the pitch cone. The proposed algorithms have been implemented in Matlab; several examples are included to illustrate their applicability.

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Wang, Pei-Yu, and Kuang-Lun Liu. "Analysis and Design of Differential bevel gear." In 2018 IEEE International Conference on Advanced Manufacturing (ICAM). IEEE, 2018. http://dx.doi.org/10.1109/amcon.2018.8615103.

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Reports on the topic "Bevel gear"

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Litvin, Faydor L., Qi Fan, and Alfonso Fuentes. Computerized Design, Generation, and Simulation of Meshing and Contact of Face-Milled Formate Cut Spiral Bevel Gears. Fort Belvoir, VA: Defense Technical Information Center, May 2001. http://dx.doi.org/10.21236/ada394095.

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