On optimizing the basic geometry of hypoid gears

Bär, Gert

doi:10.1016/j.mechmachtheory.2016.06.007

Cited by 4 publications

(3 citation statements)

References 8 publications

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“…Because of the limited lebgth of this presentation, only small part of the corresponding publications can be referenced [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16].…”

Section: Simon Vilmos Budapest University Of Technology and Economicsmentioning

confidence: 99%

Advanced Design and Manufacture of Spiral Bevel Hypoid and Worm Gears

Simon¹

2017

Fifth International Conference on Advances in Mechanical and Robotics Engineering - AMRE 2017

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Abstract-A method is presented for the optimization of design and manufacture of spiral bevel, hypoid, and worm gears. The aim of the optimization is to improve the operating characteristics of the gear pair, namely, to increase the service life of gears and to reduce the dynamic effects of gear mesh. Optimal modifications are introduced into the tooth surfaces to simultaneously reduce the maximum tooth contact pressure and transmission errors. These modifications are introduced by applying optimal machine tool settings and geometry of cutting tool in the manufacturing process. The method is demonstrated on spiral bevel, hypoid, and worm gears. The obtained results have shown that significant improvements in the operating characteristics of the gear pairs are achieved.

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“…Because of the limited lebgth of this presentation, only small part of the corresponding publications can be referenced [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16].…”

Section: Simon Vilmos Budapest University Of Technology and Economicsmentioning

confidence: 99%

Advanced Design and Manufacture of Spiral Bevel Hypoid and Worm Gears

Simon¹

2017

Fifth International Conference on Advances in Mechanical and Robotics Engineering - AMRE 2017

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“…A modification of the pitch cones was proposed in [9] to balance the contact ratio between the driving and coast sides using the pitch angles as variables. An optimization of the axial and radial forces in hypoid gears was presented in [10]. In hypoid gear sets with low shaft angle and face-milling as cutting method, a procedure to design the pitch cones and derive the machine-tool settings was presented in [11] whereas a procedure to define the limits of the main design parameters such as the gear ratio, the gear pitch diameter, the cutter radius, the offset, and the shaft angle was presented in [12].…”

Section: Introductionmentioning

confidence: 99%

An exact system of generation for face-hobbed hypoid gears: Application to high reduction hypoid gear drives

Gonzalez-Perez

Fuentes-Aznar

2023

Mechanism and Machine Theory

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“…During the last decades, many research works have been directed towards the manufacture of spiral bevel and hypoid gears with optimal tooth surface modifications. 57–92…”

Section: Introductionmentioning

confidence: 99%

Improvements in the mixed elastohydrodynamic lubrication and in the efficiency of hypoid gears

Simon

2019

Proceedings of the Institution of Mechanical Engineers, Part J:

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In this paper, the influence of the manufacturing parameters on the conditions of mixed elastohydrodynamic lubrication is investigated. On the basis of the obtained results, recommendations are formulated to improve the mixed EHL and the efficiency of face-milled hypoid gears. A full numerical analysis of the mixed EHL in hypoid gears is applied. The equation system and the numerical procedure are unified for a full coverage of all the lubrication regions, including the full film, mixed, and boundary lubrication. In the hydrodynamically lubricated areas, the calculation method employed is based on the simultaneous solution of the Reynolds, elasticity, energy, and Laplace's equations. In the asperity contact areas, the Reynolds equation is reduced to an expression equivalent to the mathematical description of dry contact problem. The real geometry and kinematics of the gear pair based on the manufacturing procedure are applied; thus, the exact geometrical separation of the mating tooth surfaces is included in the oil film shape, and the real velocities of these surfaces are used in the Reynolds and energy equations. The transient nature of gear tooth mesh is included. The oil viscosity variation with respect to pressure and temperature and the density variation with respect to pressure are included. The non-Newtonian behaviour of the lubricant is considered. Using this model, the pressures, film thickness, temperatures, and power losses in the mixed lubrication regime are predicted. The effectiveness of the presented method is demonstrated by using hypoid gear examples.

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On optimizing the basic geometry of hypoid gears

Cited by 4 publications

References 8 publications

Advanced Design and Manufacture of Spiral Bevel Hypoid and Worm Gears

Advanced Design and Manufacture of Spiral Bevel Hypoid and Worm Gears

An exact system of generation for face-hobbed hypoid gears: Application to high reduction hypoid gear drives

Improvements in the mixed elastohydrodynamic lubrication and in the efficiency of hypoid gears

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