Relevant bibliographies by topics / Hypoid gears

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Hypoid gears'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Hypoid gears"

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Nie, Li Xin, and Li Mei Zhang. "Digitalization and Meshing Performance Analysis on Tooth Surfaces of Hypoid Gear." Applied Mechanics and Materials 42 (November 2010): 224–27. http://dx.doi.org/10.4028/www.scientific.net/amm.42.224.

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Digitized hypoid gear’s surface model, which is constructed by NURBS method, can set free the constraints of conventional processing technique in the process of designing and manufacturing hypoid gear. The digitalization of tooth surfaces of hypoid gears consists of three parts: building large gear’s NURBS model, calculating small tooth surface’s character parameters based on actual requirements and small tooth surface’s digitalization. The digitalization of tooth surfaces can be realized by machining simulation, and the key points are how to establish equations of cutter head and grids of gear solid, and how to judge correct trace points in the process of machining simulation. With the aid of digitized model of hypoid gear, tooth contact analysis can be accomplished by regular motion of two NURBS tooth surfaces.
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Yu, Li Juan, Zhao Jun Yang, and Xu Peng Li. "Theoretical Analysis on Manufacturing Hypoid Left-Hand Gears by Generating-Line Method." Advanced Materials Research 690-693 (May 2013): 3032–35. http://dx.doi.org/10.4028/www.scientific.net/amr.690-693.3032.

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According to the hypoid gear tooth surface forming principle, a generating-line will be formed in round-plane while a cone and its tangent circle plane do pure rolling, and the hypoid gear is cutting according to the motion equation as hypoid gears generating-line. to tools shape. The milling processing equation of the hypoid left-hand gear tooth surface on the right side gear tooth surface and on the left side gear tooth surface.There are a detailed description of the adjusting-tool , cutting out from ends, dividing, cycle cutting the whole process. The above method can realizes hypoid gearwheel right tooth surface processing.
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Wu, Jun-Long, Chia-Chang Liu, Chung-Biau Tsay, and Shigeyoshi Nagata. "Mathematical Model and Surface Deviation of Helipoid Gears Cut by Shaper Cutters." Journal of Mechanical Design 125, no. 2 (2003): 351–55. http://dx.doi.org/10.1115/1.1564570.

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Crossed-axis helical gears and hypoid gears are two conventional crossed-axis power transmission devices. Helipoid gears, a novel gear proposed herein, possess the merits of the crossed-axis helical and hypoid gears. A mathematical model of the proposed helipoid gear cut by shapers is also derived according to the cutting mechanism and the theory of gearing. The investigation shows that the tooth surface varies with the number of teeth of the shaper. Computer graphs of the helipoid gear are presented according to the developed gear mathematical model, and the tooth surface deviations due to the number of teeth of the shaper are also investigated.
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Shih, Yi-Pei, and Zhang-Hua Fong. "Flank Modification Methodology for Face-Hobbing Hypoid Gears Based on Ease-Off Topography." Journal of Mechanical Design 129, no. 12 (2006): 1294–302. http://dx.doi.org/10.1115/1.2779889.

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The fundamental design of spiral bevel and hypoid gears is usually based on a local synthesis and a tooth contact analysis of the gear drive. Recently, however, several flank modification methodologies have been developed to reduce running noise and avoid edge contact in gear making, including modulation of tooth surfaces under predesigned transmission errors. This paper proposes such a flank modification methodology for face-hobbing spiral bevel and hypoid gears based on the ease-off topography of the gear drive. First, the established mathematical model of a universal face-hobbing hypoid gear generator is applied to investigate the ease-off deviations of the design parameters—including cutter parameters, machine settings, and the polynomial coefficients of the auxiliary flank modification motion. Subsequently, linear regression is used to modify the tooth flanks of a gear pair to approximate the optimum ease-off topography suggested by experience. The proposed method is then illustrated using a numerical example of a face-hobbing hypoid gear pair from Oerlikon’s Spiroflex cutting system. This proposed flank modification methodology can be used as a basis for developing a general technique of flank modification for similar types of gears.
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Conrado, E., B.-R. Höhn, K. Michaelis, and M. Klein. "Influence of oil supply on the scuffing load-carrying capacity of hypoid gears." Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 221, no. 8 (2007): 851–58. http://dx.doi.org/10.1243/13506501jet315.

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In industrial or automotive dip lubricated gear drives, low oil levels may be used due to different design requirements or constraints. A variation of the sump oil level affects different working conditions of gears, such as the power loss, the heat generation, and the load-carrying capacity with respect to different types of damage. In particular, reduced oil levels decrease the scuffing load capacity of gears because of high bulk temperatures and reduced oil quantity in the gear mesh. Investigations were made in a back-to-back hypoid gear test rig to evaluate the influence of the bath oil level on the scuffing load-carrying capacity of dip lubricated hypoid gears.
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Simon, Vilmos. "Load Distribution in Hypoid Gears." Journal of Mechanical Design 122, no. 4 (1998): 529–35. http://dx.doi.org/10.1115/1.1289390.

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A new approach for the computerized simulation of load distribution in mismatched hypoid gears with point contact is presented. The load distribution calculation is based on the bending and shearing deflections of gear teeth, on the local contact deformations of the mating surfaces, on gear body bending and torsion, on the deflections of the supporting shafts, and on the manufacturing and alignment errors of the mating members. The tooth deflections of the pinion and gear teeth are calculated by FEM, and the tooth contact is treated in a special way: it is assumed that the point contact under load spreads over a surface along the “potential” contact line, which line is made up of the points of the mating tooth surfaces in which the separations of these surfaces are minimal, instead of assuming an elliptical contact pattern. The system of governing equations is solved by approximations and by using the successive-over-relaxation method. The corresponding computer program is developed. The calculations, performed by this program, show that in the case of hypoid gears, the new approach gives a more realistic contact pattern and contact pressure than the usually assumed and applied elliptical contact approach, especially for the tooth pairs contacting on the toe and on the heel of teeth, and in the case of load distribution calculations made in misaligned gear pairs. By using this program the influence of design data on load distribution parameters is investigated and discussed. [S1050-0472(00)00504-3]
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Wang, Li Mei. "Study on the Processing and Simulation of End-Gear Based on CNC Theory." Applied Mechanics and Materials 608-609 (October 2014): 77–80. http://dx.doi.org/10.4028/www.scientific.net/amm.608-609.77.

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Based on NC machining principle of hypoid gears and NC machining with high efficiency quality, This paper discusses the feasibility of the hypoid gear processing, establishes the mathematical model of face gear wheel hypoid milling machining adjustment, that will be take the basic data into vertical machining center machine tool. Through analyze the principle of the oscillating tooth face gear transmission, and compared the structure differences between face gear and bevel gear, and the realization processing method of face gear is discussed by improving the bevel gear shaper.
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Simon, Vilmos. "Optimal Tooth Modifications in Hypoid Gears." Journal of Mechanical Design 127, no. 4 (2004): 646–55. http://dx.doi.org/10.1115/1.1899177.

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A method for the determination of optimal tooth modifications in hypoid gears based on improved load distribution and reduced transmission errors is presented. The modifications are introduced into the pinion tooth surface by using a cutter with bicircular profile and optimal diameter. In the optimization of tool parameters the influence of shaft misalignments of the mating members is included. As the result of these modifications a point contact of the meshed teeth surfaces appears instead of line contact; the hypoid gear pair becomes mismatched. By using the method presented in (Simon, V., 2000, “Load Distribution in Hypoid Gears,” ASME J. Mech. Des., 122, pp. 529–535) the influence of tooth modifications introduced on tooth contact and transmission errors is investigated. Based on the results that was obtained the radii and position of circular tool profile arcs and the diameter of the cutter for pinion teeth generation were optimized. By applying the optimal tool parameters, the maximum tooth contact pressure is reduced by 16.22% and the angular position error of the driven gear by 178.72%, in regard to the hypoid gear pair with a pinion manufactured by a cutter of straight-sided profile and of diameter determined by the commonly used methods.
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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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Shih, Yi-Pei, Zhang-Hua Fong, and Grandle C. Y. Lin. "Mathematical Model for a Universal Face Hobbing Hypoid Gear Generator." Journal of Mechanical Design 129, no. 1 (2006): 38–47. http://dx.doi.org/10.1115/1.2359471.

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Based on the theory of gearing and differential geometry, a universal hypoid generator mathematical model for face hobbing spiral bevel and hypoid gears has been developed. This model can be used to simulate existing face hobbing processes, such as Oerlikon’s Spiroflex© and Spirac© methods, Klingelnberg’s Cyclo-Palloid© cutting system, and Gleason’s face hobbing nongenerated and generated cutting systems. The proposed model is divided into three modules: the cutter head, the imaginary generating gear, and the relative motion between the imaginary generating gear and the work gear. With such a modular arrangement, the model is suitable for development of object-oriented programming (OOP) code. In addition, it can be easily simplified to simulate face milling cutting and includes most existing flank modification features. A numerical example for simulation of the Klingelnberg Cyclo-Palloid© hypoid is presented to validate the proposed model, which can be used as a basis for developing a universal cutting simulation OOP engine for both face milling and face hobbing spiral bevel and hypoid gears.
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Dissertations / Theses on the topic "Hypoid gears"

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Karagiannis, Ioannis. "Tribo-dynamic analysis of hypoid gears in automotive differentials." Thesis, Loughborough University, 2013. https://dspace.lboro.ac.uk/2134/12801.

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Torsional vibrations in differentials of Rear Wheel Drive vehicles are of major importance for the automotive industry. Hypoid transmissions, forming the motion transfer mechanism from the driveshaft to the wheels, suffer from severe vibration issues. The latter are attributed to improper mesh between the mating gear flanks due to misalignments, variation of contact load and shifting of the effective mesh position. For certain operating conditions, the gear pair exhibits high amplitude motions accompanied with separation of the mating surfaces. Ultimately, single or even double-sided vibro-impact phenomena evolve, which have been related to noise generation. This thesis attempts to address these issues by effectively analysing the dynamic behaviour of a hypoid gear pair under torsional motion. The case study considered is focused on a commercial light truck. The major difference of the employed mathematical model to prior formulations is the usage of an alternative expression for the dynamic transmission error so that the variation of contact radii and transmission error can be accounted for. This approach combined to a correlation of the resistive torque in terms of the angular velocity of the differential enables the achievement of steady state, stable periodic solutions. The dynamic complexity of systems with gears necessitates the identification of the various response regimes. A solution continuation method (software AUTO) is employed to determine the stable/unstable branches over the operating range of the differential. The ensuing parametric studies convey the importance of the main system parameters on the dynamic behaviour of the transmission yielding crucial design guidelines. A tribo-dynamic investigation aims at expanding the dynamic model from pure dry conditions to a more integrated elastohydrodynamic (EHL) approach. Analytical and extrapolated solutions are applied for the derivation of the film thickness magnitude based on the kinematic and loading characteristics of the dynamic model. The temperature rise is governed mainly by conduction due to the thin lubricant films. The generated friction is also computed as a function of the viscous shear and asperity interactions. The effective lubricant viscosity is greatly affected by the pressure increase due to the resonant behaviour of the contact load. The final part of this work is involved with a feasibility study concerning the application of Nonlinear Energy Sinks (NES) as vibration absorbers, exploiting their ability for broadband frequency interaction. Response regimes associated with effective energy absorption are identified and encouraging results are obtained, showing the potential of the method.
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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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Fontana, Douglas. "Controle de vida da ferramenta do tipo lamina alternada Gleason no fresamento de coroas hipoidais." [s.n.], 2003. http://repositorio.unicamp.br/jspui/handle/REPOSIP/265597.

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Orientador: Anselmo Eduardo Diniz<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecanica<br>Made available in DSpace on 2018-08-03T20:42:19Z (GMT). No. of bitstreams: 1 Fontana_Douglas_M.pdf: 10116872 bytes, checksum: 3a8e7469b54d02c31d22b732a5021bb1 (MD5) Previous issue date: 2003<br>Resumo: A transmissão de movimentos mecânicos através de engrenagens é muito utilizado em todos os segmentos industriais.O corte de dentes de engrenagens é uma operação bastante importante dentro da usinagem. Apesar de sua importância, este é um processo pouco estudado, pois esta é uma área bastante restrita de atuação. Emfunção disso,a maior parte dos desenvolvimentos relacionados à tecnologia de corte de dentes de engrenagens ocorre no meio industrial, geralmente de forma empírica. A determinação do fim de vida das lâminas de corte Gleasonsão feitas,no chão de fabrica,pelos preparadores ou mesmo pelos operadores das máquinas.Tal decisão é baseada em critérios altamente subjetivos e portanto, faz com que o tempo de utilização da ferramenta apresente uma grande variabilidade,ou seja, em determinados momentos, a ferramenta é utilizada além de sua vida efetiva e, em outros momentos, esta utilização se dá a quém da mesma. Caso a ferramenta ultrapasse sua utilização ótima, ocorrem vários problemas, dentre os quais: maior volume de material retirado na afiacão da ferramenta com conseqüente redução do númerode vidas desta, a rugosidademédia (Ra) das peças toma-se muito elevada,fazendo com que a japidação do dentado (operação posterior ao corte) seja muito demorada e portanto, anti-econômica.Por outro lado, se a ferramenta for sub-utilizada. ocorre um desperdício de lâmina,bem como um aumento do tempo de processamento pois um maior número de trocas da ferramenta vai ocorrer. Este trabalho procurou estabelecer um parâmetro objetivo de fim de vida da lamina de corte do tipo Hardac, utilizandoo processo de corte denominado Completo (Completing). Para tanto, foi feito um trabalho junto a um fubricante de auto-peças, que usina engrenagens cônicas e hipoidais, utilizada em diferenciais de caminhões e ônibus.O parâmetro escolhido foi a rugosidade média (Ra) do flancodos dentes das engrenagens. O comportamento e a dispersão da vida da ferramenta anterior e posterior à implantação do parâmetro proposto foram analisadas.Os resultados mostram uma maior uniformidade da vida das laminas de corte gleason,bem como dos tempos de afiação das mesmas e Iapidação do dentado. Além disso, as lâminas passaram a ser utilizadas de forma otimizadas em relação ao seu desgaste e à quantidades uperficial da peça. Um segundo objetivo do trabalho foi comparar a vida de ferramentas de aço rápido com algumas coberturas diferentes e também sem cobertura na superficie de saída, pois foram utilizadas após a afiação da ferramenta com cobertura total Pelo desempenho mostrado nos resultados a melhor cobertura foi aquela de nitreto de titânio originária do fabricante da ferramenta e do equipamento<br>Abstract: The transmission of mechanical motion through gears is very used in alI industrial segments.The cutting process of gears is a very important process in the manufacturing. Despiteits importance this is a process not so studied as it a very specific area. According to this, most part ofthe industrial field, usually in an empirical way. The determination to end the life of a Gleason Cutter Blade is made by machine operators. The decision is based on highly subjective criteria and as for this it makes the using time of this tool to presenta great variability. As resuh this tool is sometimes used longeror less than it should.If its use is longer exceedingits life time,many problems may occur, such as: bigger volume taken from the sharpening material of tools which results in a reduction of their lifetime, the average rougbness (Ra) of the parts becomes higher which makes lapping of the teeth (process which occurs after cutting) to take longer and as a resuh not economical.On the other hand,if the tool is used less there is a waste ofthe blade as well as an increasein the manutacturing process due to the change of tools. This work tried to establishan objetive parameteron the end ofthe life ofthe Hardac type ofblade, using a cutting process called Completing.For this reason this work was done together with an Automotive Company that produces beveland hypoidgears used on heavyduty drive axles for trucks and buses. The chosen parameter was the average rougtmess(Ra) ofthe teeth flankof the gears. The behavior and dispersion of the tool Jife before and after the setting of the proposed parameter were analized. The resuhs show a greater uniformity of the life the Gleason Cutter Blade as well as its sbarpeningtime and teeth lapping. Apart from it, the blades started to be used on an optimized way related to its wear and to the surlace quality of the piece. Another objetive of this work was to compare the high speed steel tool life with some different coats andalso no coating on theftont ceplane,as theywere used after the tool sharperning with total coat. For the result showed the best coating was the one with titanium nitrideoriginate dftom the tool and equipamentmanufacturer<br>Mestrado<br>Materiais e Processos de Fabricação<br>Mestre em Engenharia Mecânica
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Vogel, Olaf [Verfasser]. "Gear-Tooth-Flank and Gear-Tooth-Contact Analysis for Hypoid Gears : An Application of Singularity Theory / Olaf Vogel." Aachen : Shaker, 2007. http://d-nb.info/1170528155/34.

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Park, Daehyun. "Development of Surface Wear and Lapping Simulation Models for Hypoid Gears." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1251739728.

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Erkilic, Erdem. "A Model to Predict Pocketing Power Losses in Spiral Bevel and Hypoid Gears." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1337616576.

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Vittal, Srigiripura Sahana. "Development of a method for estimation of contact fatigue life in hypoid gears." Thesis, KTH, Maskinkonstruktion (Inst.), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-288898.

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Hypoid gears have been used extensively in automobiles, aerospace, marine and other applications for decades. The special advantages of hypoid gears come with inherent contact complexities of varying curvature and sliding in both profile and lengthwise direction. Spalling failure is catastrophic and needs to be addressed with deeper roots in gear design. Analytical methods present several limitations. Iterative development from experimentation is expensive and time consuming with different nonlinear parameters difficult to interpret. This thesis aims to develop a method to calculate contact fatigue life for initiation of spalling using finite element methods. Experiments have played a major role in understanding the causal factors for failure, determining the fatigue life and to study the major system design parameters. A failure analysis of the fractured flank is performed. It clarified the design causal factors for failure and the mechanism of failure. Pinion being the vulnerable part is the focus of this thesis, a finite element model was developed on ANSOL HFM and the residual stresses were superposed on MSC Marc. A finite element fatigue analysis is performed on FEMFAT and the component fatigue life is determined. The calculated fatigue life is compared with physical testing results using Weibull statistical analysis in combination with probabilistic bearing life models to formulate emphatical correlation methods. The goal of this thesis is to establish a method to estimate fatigue life by taking up example of computing subsurface fatigue life of a hypoid pinion. The influence factors like the method of contact analysis, different types of residual stresses due to case hardening and shot peening, fatigue criteria, friction, material properties are studied in this thesis to develop a conscience for the methodology to computing contact fatigue life. The bulk material properties based on hardness represented fatigue properties more accurately. Scaled normal stress in critical plane fatigue criteria was found more suitable for contact analysis with pre-stresses and multi-axial non-proportional contact stress state on FEMFAT. Finite element based contact analysis method was found to be more suitable for subsurface fatigue life estimation despite the inherent advantages of the hybrid surface integral method and its accurate representation of friction. It was found that inclusion of friction in model did not change the fatigue life significantly, showing that the influence of hardness, surface topographies lubrication and contact temperature on shear stresses are too large to be neglected. Contact fatigue life increased by a factor of 4.4 times due to shot peening of gears in comparison with case hardening indicating the influence of residual stresses. For the estimation of fatigue life at the initiation of failure, a complete correlation with the fatigue test results could not be achieved and reasons for deviations were clearly identified. The area of damage indicated by this computation method correlated with the damage observed during tests. The observations and calculations indicated premature failure of pinion with explanation of mechanism of failure of pinion flank using contact conditions.<br>Hypoidväxlar har använts i stor utsträckning i bilar, flyg-, marin- och andra applikationer under årtionden. De speciella fördelarna med hypoidväxlar kommer med inneboende kontaktkomplexitet med varierande krökning och glidning i både profil och längdriktning. Spallingfel är katastrofala och måste hanteras med grundlig redskapsdesign. Analytiska metoder har flera begränsningar. Iterativ utveckling baserad på experiment är dyrt och tidskrävande med olika icke-linjära parametrar som är svåra att tolka. Denna avhandling syftar till att utveckla en metod för att beräkna kontaktutmattningslivslängden för initiering av spalling med finitaelementmetoden. Experiment har spelat en viktig roll för att förstå orsaksfaktorerna för fel, bestämma utmattningslivslängden och för att studera de viktigaste systemdesignparametrarna. En felanalys av den skadade kuggflanken utfördes, vilket förtydligade felens orsaksfaktorer och den underliggande felmekanismerna. Driften är fokus för denna avhandling, en finitaelementmodell utvecklades med ANSOL-HFM och restspänningarna överlagrades med FEM-verktyget MSC-Marc. En slutlig elementutmattningsanalys utfördes med FEMFAT och komponentens utmattningstid bestämdes. Den beräknade utmattningslivslängden korrelerades med fysiska provningsresultat genom att tillämpa statistisk Weibullanalys i kombination med probabilistiska livslängdsmodeller. Målet med denna avhandling är att utveckla en metod för att uppskatta utmattningslivslängden och att tillämpa metoden för att beräkna bulkmaterialets utmattningslivslängd för ett hypoidrev. Påverkningsfaktorer som metoden för kontaktanalys, olika typer av restspänningar på grund av ythärdning och kulblästring, utmattningskriterier, friktion, materialegenskaper studeras i denna avhandling för att utveckla denna metod för att prediktera kontaktutmattningslivslängden. Bulkmaterialegenskaperna för hårdhet representerade utmattningsegenskaperna mera exakt. Skalad normalspänning i kritiska planutmattningskriterier befanns vara mer lämplig för kontaktanalys med förspänningar och multi-axiell icke-proportionell kontaktspänningsstatu än andra egenskaper med FEMFAT. Metodbaserad kontaktanalysmetod visade sig vara mer lämplig för uppskattning av ytutmattningslivslängd trots de inneboende fördelarna med hybridytaintegralmetoden och dess mera exakta friktionsrepresentation. Det visade sig att inkludering av friktion i modellen inte markant förändrade livslängden, vilket visade att påverkan av hårdhet, smörjning av ytorna och kontakttemperatur på skjuvspänningarna är för stor för att försummas. Kontaktutmattningslivslängden ökade med en faktor 4,4 gånger på grund av kugghjulning jämfört med ythärdning, vilket indikerar restspänningspåverkan. För att uppskatta utmattningslivslängden vid inledningen av ytfel kunde en fullständig korrelation med utmattningstestresultaten inte uppnås och orsakerna till avvikelser identifierades tydligt. Det skadade område som indikeras av denna beräkningsmetod korrelerade väl med den skada som observerades under testerna. Observationerna och beräkningarna indikerade tidigt fel i kuggen med förklaring av mekanismen för fel hos kuggflanken med hjälp av aktuellt kontaktförhållande.
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Sugyarto, Eddy. "The Kinematic Study, Geometry Generation, and Load Distribution Analysis of Spiral Bevel and Hypoid Gears." The Ohio State University, 2002. http://rave.ohiolink.edu/etdc/view?acc_num=osu1392985391.

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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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Vaidyanathan, Sathyanarayanan. "Application of plate and shell models in the loaded tooth contact analysis of bevel and hypoid gears." The Ohio State University, 1993. http://rave.ohiolink.edu/etdc/view?acc_num=osu1335540802.

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Books on the topic "Hypoid gears"

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Wang, X. C. Advanced theories of hypoid gears. Elsevier, 1994.

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Cuijpers, Mathias Johannes Maria. Tooth root strength of bevel and hypoid gears: Development of a practical design method for rear axle gears in commercial vehicles. Technische Universiteit Eindhoven, 2001.

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Advanced Theories of Hypoid Gears. Elsevier, 1994. http://dx.doi.org/10.1016/c2009-0-10272-6.

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Association, American Gear Manufacturers, ed. Gear handbook: Gear classification, materials and measuring methods for bevel, hypoid, fine pitch wormgearing and racks only as unassembled gears. AGMA, 1988.

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Determination of settings of a tilted head-cutter for generation of hypoid and spiral bevel gears. University of Illinois at Chicago, 1988.

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Litvin, Faydor L., Theodore J. Krenzer, and Y. Zhang. Hypoid Gear Drive with Face-Milled Teeth: Conditions of Pinion Nonundercutting and Fillet Generation. American Gear Manufacturers Association, 1989.

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Handbook - Gear Classification, Materials and Measuring Methods for Bevel, Hypoid, Fine Pitch Wormgearing and Racks Only As Manufacturers Association. American Gear Manufacturers Association, 1988.

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Stadtfeld, Hermann J. A Closed and Fast Solution Formulation for Practice Oriented Optimization of Real Spiral Bevel and Hypoid Gear Flank Geometry. American Gear Manufacturers Association, 1990.

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Book chapters on the topic "Hypoid gears"

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Vullo, Vincenzo. "Spiral Bevel Gears and Hypoid Gears." In Springer Series in Solid and Structural Mechanics. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-36502-8_12.

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Lu, Xingxing, Tengjiao Lin, Feiyang Jiang, and Zirui Zhao. "Nonlinear Dynamics of Hypoid Gears in Automobile." In Communications in Computer and Information Science. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-2396-6_48.

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Vogel, Olaf. "Accurate Gear Tooth Contact and Sensitivity Computation for Hypoid Bevel Gears." In Automatic Differentiation of Algorithms. Springer New York, 2002. http://dx.doi.org/10.1007/978-1-4613-0075-5_23.

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Simon, Vilmos. "Multi-Objective Optimization of Hypoid Gears to Improve Operating Characteristics." In Advances in Mechanism and Machine Science. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-20131-9_90.

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Kalashnikov, A. S., Yu A. Morgunov, and P. A. Kalashnikov. "Peculiarities of Assembly of Bevel and Hypoid Gears with Curved Teeth." In Lecture Notes in Mechanical Engineering. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-54817-9_3.

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Vullo, Vincenzo. "Scuffing Load Carrying Capacity of Cylindrical, Bevel and Hypoid Gears: Flash Temperature Method." In Springer Series in Solid and Structural Mechanics. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-38632-0_7.

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Vullo, Vincenzo. "Scuffing Load Carrying Capacity of Cylindrical, Bevel and Hypoid Gears: Integral Temperature Method." In Springer Series in Solid and Structural Mechanics. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-38632-0_8.

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Skawinski, Piotr. "An Application of Neural Network in Recognizing of the Tooth Contact of Spiral and Hypoid Bevel Gears." In Advanced Concurrent Engineering. Springer London, 2010. http://dx.doi.org/10.1007/978-0-85729-024-3_3.

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Fan, Q. "Ease-Off and Application in Tooth Contact Analysis for Face-Milled and Face-Hobbed Spiral Bevel and Hypoid Gears." In Theory and Practice of Gearing and Transmissions. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-19740-1_15.

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Lee, Kibok, Myeongeui, and Jongho Seo. "Finite Element Modeling (FEM) and Fatigue Analysis of Hypoid Gears and Laser Welding Joints Installed in a Power Take-off Unit (PTU)." In Proceedings. Springer Berlin Heidelberg, 2021. http://dx.doi.org/10.1007/978-3-662-61515-7_28.

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Conference papers on the topic "Hypoid gears"

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Homma, Akira, Sumio Hirokawa, and Akira Yamamoto. "Gear-Cutting Method of Parallel Depth Hypoid Gears." In ASME 2003 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/detc2003/ptg-48058.

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The purpose of this study is to develop a gear-cutting method of hypoid gears to achieve a good tooth bearing and good performance for practical use. In this report, the authors propose a new cutting method of parallel depth hypoid gears, which mesh with each other at one point keeping a constant angular velocity ratio, and describe the theory for the gear-cutting method. Next, the theory of the trace of the point contact mark is shown. One of the features of this method is that the designer can control the trace of the point contact mark on the tooth surface as desired. The third, the theory of the ellipse of tooth bearing is shown minutely. In order to confirm the validity of the method, some hypoid gears were designed and manufactured, and ellipse of tooth bearing on red lead corresponded to those of the theory.
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Yılmaz, Tufan Gürkan, Onur Can Kalay, Fatih Karpat, Mert Doğanlı, and Elif Altıntaş. "An Investigation on the Design of Formate and Generate Face Milled Hypoid Gears." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-23972.

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Abstract Hypoid gears are transmission elements that transfer power and moment between shafts whose axes do not intersect. They are similar in structure to spiral bevel gears. However, there are many advantages compared to spiral bevel gears in terms of load carrying capacity and rigidity. Hypoid gear pairs are mostly used as powertrain on the rear axles of cars and trucks. Hypoid gears are manufactured by two essential methods called face-milling and face-hobbing, and there are mainly two relative kinematic movements (Formate® and Generate). In this study, the gears produced with the Face-milling method are discussed. Face milled hypoid gears can be manufactured with both Formate® and Generate, while pinions can only be manufactured with the Generate method. The most crucial factor that determines the performance of hypoid gears is the geometry of hypoid gears. The gear and pinion geometry is directly dependent on the tool geometry, machine parameters, and relative motion between the cradle and the workpiece. The gear geometry determines the contact shape and pressure during power transmission. In this study, the mathematical equation of the cutting tool is set. After that, using differential geometry, coordinate transformation, and the gearing theory, the mathematical equation of hypoid gear is obtained.
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Chen, Ningxin. "Pitch Cone Design of Face-Hobbed Hypoid Gears." In ASME 1998 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/detc98/mech-5827.

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Abstract In the present paper, the principle of pitch cone design of hypoid gears by Mr. E. Wildhaber is studied first. Then, three equations are derived for calculation of the radii of curvatures of tooth lengthwise lines of the imaginary crown gear, the generated gear and the non-generated gears. And finally, an improved algorithm for pitch cone design of face-hobbed hypoid gears is proposed, in which two design equations in two variables are used, and hence the trial-and-error procedure is avoided.
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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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Masseth, Jack, and Mohsen Kolivand. "Lapping and Superfinishing Effects on Hypoid Gears Surface Finish and Transmission Errors." In ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/detc2007-34010.

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There are several geometric and working parameters, besides offset, that have minor effects on hypoid gears efficiency (i.e. spiral angle, pressure angle, lubricant type &amp; temperature, surface finish, etc.). Some theoretical analyses of mechanical efficiency of hypoid gears show that surface finish has considerable effect on hypoid gear efficiency. This is due to a high sliding to rolling ratio in these types of gears. In this paper, a study on measuring of surface finish of both ring gear and pinion will be presented. Moreover, the effects of lapping and superfinishing on surface finish will be discussed. Using an accurate form-measuring machine, surface finish measurements were done on several experimentally produced hypoid gear pairs. Despite the fact that lapping is expected to improve the surface finish, measurement results show that ring gear’s surface finish becomes worse (roughness increased) after lapping while no consistent results for pinion surface finish were observed. However, it will be shown that lapping decreases transmission errors for both sides (drive and coast). Utilizing a Gleason single flank tester (SFT) 600HTT it will be shown experimentally that transmission errors up to the second harmonics for both sides will be decreased. In addition, it can be seen that lapping decreases surface finish variation among gear sets. As an expansion of the previous study [1] by the authors on lapping effects on surface finish and transmission errors, this paper will also present the effects of the superfinishing process on hypoid gears surface finish and transmission errors. This study shows the result of measurements taken before and after superfinishing, although superfinishing improves surface finish drastically it will be shown that surface finish quality will be decreased when gear sets are rolled together.
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Mohammadpour, Mahdi, Stephanos Theodossiades, and Homer Rahnejat. "Tribo-Dynamics of Differential 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/detc2013-12890.

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Differential hypoid gears play an important role on the Noise, Vibration and Harshness (NVH) signature of vehicles. Additionally, friction developed between their teeth flanks under extreme loading conditions adds another source of power loss in the drivetrain which can mitigate vibrational energy. The paper considers the coupling between dynamics and analytical tribology to study dynamic response of hypoid gear pairs with lateral motion of support shafts also included in the analysis framework. Friction of teeth flank pairs is assumed to follow elastohydrodynamic lubrication under elliptical point contact geometry with lubricant film behavior conforming to Non-Newtonian thermal shear, also with surface asperity interactions. Tooth Contact Analysis (TCA) has been used to obtain the input data required for the investigation. The dynamic behavior and efficiency of a differential hypoid gear pair under realistic operating conditions is determined. The proposed tribo-dynamic framework provides a useful platform to conduct an extensive series of parametric studies.
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Simon, Vilmos V. "Optimal Tooth Modifications in Hypoid Gears." In ASME 2003 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/detc2003/ptg-48108.

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A method for the determination of optimal tooth modifications in hypoid gears based on improved load distribution and reduced transmission errors is presented. The modifications are introduced into the pinion tooth surface by using a cutter with bicircular profile and by changing the cutter diameter. In the optimization of tool parameters the influence of shaft misalignments of the mating members is included. As the result of these modifications a point contact of the meshed teeth surfaces appears instead of line contact; the hypoid gear pair becomes mismatched. By using the method presented in [1] the influence of tooth modifications introduced on tooth contact and transmission errors is investigated. Based on the results that was obtained the radii and position of circular tool profile arcs and the cutter diameter for pinion teeth generation were optimized. By applying the optimal tool parameters, the maximum tooth contact pressure is reduced by 16.22% and the angular position error of the driven gear by 178.72%, in regard to the hypoid gear pair with a pinion manufactured by a cutter of straight-sided profile and of diameter determined by the commonly used methods.
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Hotait, M. A., and A. Kahraman. "Estimation of Bending Fatigue Life of Hypoid Gears Using a Multiaxial Fatigue Criterion." 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/detc2013-12511.

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In this study, a crack initiation life prediction methodology for the tooth bending fatigue of hypoid gears is proposed. This methodology employs a previously developed finite-element based hypoid gear root stress model [1] of face-milled and face-hobbed hypoid gears to establish the multiaxial stress time histories within the root fillet regions. These stress time histories are combined with a multiaxial crack initiation fatigue criterion to predict life distributions along roots of the pinion and the gear. The predictions of the multiaxial fatigue model are compared to those from a conventional uniaxial fatigue model to establish the necessity for a multiaxial approach. The model is exercised with an example face-milled hypoid gear set from an automotive application to demonstrate the impact of various misalignments as well as the key cutting tool parameters on the resultant tooth bending lives.
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Kolivand, Mohsen, Nasser Soltani, Abdolhamid Hannaneh, and Zabihollah Kargar Shoroki. "Optimization of Hypoid Gears Performance Characteristics With Typical Manufacturing and Assembly Errors." In ASME 8th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2006. http://dx.doi.org/10.1115/esda2006-95061.

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A procedure for calculating and optimizing hypoid gear surface performance characteristics in the presence of the most typical errors associated with machining errors of the differential housing and assembly of gears is presented. Such errors that result in mounting or position errors of hypoid gears positioning are considered in optimization procedures and basic settings of Gleason machine. The goal of this paper is to consider machining and assembling errors of differential housing unique to a given typical manufacturing line so that conditions of optimized match between gears and the differential housing of that particular manufacturing line can be achieved. During this optimization, the condition of a predetermined contact situation up to the second-order, with optimization of third-order contact situation is considered. In order to check this calculation with other methods, the results were compared to the Gleason TCA program [1]. Moreover, practical experiments of contact pattern positioning errors on hypoid tooth surfaces with a Gleason 17A Hypoid Gear Tester are done and presented.
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Wang Zhonghou, Zhou Xiaoling, Tetsutaru Oguma, and Aizoh Kubo. "Quality control of hypoid gears using gear measuring machine." In International Technology and Innovation Conference 2006 (ITIC 2006). IEE, 2006. http://dx.doi.org/10.1049/cp:20061033.

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Reports on the topic "Hypoid gears"

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Kano, Masaki, Keiichiro Tobisawa, Kohei Saiki, Takeshi Yokoyama, and Akira Ono. A New Design System for Face-Hob Type Hypoid Gears. SAE International, 2005. http://dx.doi.org/10.4271/2005-08-0573.

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Ramachandran, Selvaraj. Hypoid gear optimization. Portland State University Library, 2000. http://dx.doi.org/10.15760/etd.6297.

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Tobisawa, Keiichiro, Masaki Kano, Kohei Saiki, Tsuyoshi Hanakawa, and Takeshi Yokoyama. Real Tooth Contact Analysis of Hypoid Gear Without Using Mathematical Reference Tooth Surfaces. SAE International, 2005. http://dx.doi.org/10.4271/2005-08-0031.

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