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Modeling and analysis of transient lubrication characteristic of the helicopter main transmission spiral bevel gears in point contacts [PDF]

open access: yesScientific Reports, 2021
An engineering calculation model is introduced for point-contact elastohydrodynamic lubrication analysis of spiral bevel gears. This model can analyze transient lubrication characteristics of spiral bevel gears.
Yanzhong Wang   +4 more
doaj   +2 more sources

Sensitivity analysis and compensation for tooth surface deviation of spiral bevel gear machine tool [PDF]

open access: yesScientific Reports
To analyze the quantitative mapping relationship between the geometric errors of the five-axis CNC machine tool and the tooth surface deviation of spiral bevel gears, and identify the key geometric errors that affect the machining deviation of the spiral
Jianjun Yang   +5 more
doaj   +2 more sources

Analysis of Transmission Characteristic of Straight Bevel Gear and Zero Spiral Bevel Gear

open access: yesJixie chuandong, 2018
The finite element model of a pair of straight bevel gears is established,and the simulation is carried out by using the ANSYS/LS-DYNA software to verify the accuracy of the simulation method.
Li Duo, Hu Yumei
doaj   +1 more source

Universal Mathematical Model and Tooth Flank Comparison of Spiral Bevel Gear and Cycloid Bevel Gear

open access: yesJixie chuandong, 2016
Aiming to the spiral bevel gears and cycloid bevel gears,the universal mathematical model is established,and the tooth flank geometry comparison is carried out.
Nie Shaowu   +3 more
doaj   +1 more source

Precision of Spiral-Bevel Gears [PDF]

open access: yesJournal of Mechanisms, Transmissions, and Automation in Design, 1983
An analytical method was derived for determining the kinematic errors in spiral-bevel gear trains caused by the generation of nonconjugate surfaces, by axial displacements of the gear assembly, and by eccentricity of the assembled gears. Such errors are induced during manufacturing and assembly.
F. L. Litvin   +3 more
openaire   +1 more source

Contact stress in helical bevel gears [PDF]

open access: yesFME Transactions, 2021
Helical bevel gears have inclined or twisted teeth on a conical surface and the common types are skew, spiral, zerol, and hypoid bevel gears. However, this study does not include hypoid bevel gears.
Osakue Edward E.   +2 more
doaj   +1 more source

Dynamic modal analysis of double-sided meshing nutation drive with double circular arc spiral bevel gears [PDF]

open access: yesMechanical Sciences, 2020
In order to reduce the vibration of the double-sided meshing nutation drive with double circular arc spiral bevel gears, the dynamic modal of the nutation system is analyzed.
Z. Lin, Z. Lin, L. Yao, Z. Xie
doaj   +1 more source

Effect of roller bearing elasticity on spiral bevel gear dynamics

open access: yesAdvances in Mechanical Engineering, 2020
The dynamics of spiral bevel gears have gained increasing importance due to concerns relating to noise and durability. This is because the mesh force acting on the gear teeth is amplified under dynamic conditions, potentially reducing the fatigue life of
Xia Hua, Zaigang Chen
doaj   +1 more source

Theoretical and Experimental Study on Contact Characteristics of Spiral Bevel Gears under Quasi-Static and Large Loading Conditions

open access: yesApplied Sciences, 2020
The precise mathematical model for the tooth surface and transition surface of spiral bevel gears is derived. Taking a pair of spiral bevel gears of a heavy vehicle as an example of calculation and analysis, a finite element model of spiral bevel gears ...
Yimeng Fu   +5 more
doaj   +1 more source

Design of a spiral bevel gear acc. to ISO 23509:2006 standards [PDF]

open access: yesMATEC Web of Conferences, 2020
When the transmitting of power and torque between parts of a machine requires high efficiency, the most appropriate type of gears are the bevel gears. The two main forms of bevel gears are straight and spiral bevel gears. Manufacturing of bevel gears has
Tsiafis Ioannis   +2 more
doaj   +1 more source

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