A dynamic calculation method of sliding friction losses for a helical gear pair
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the Brazilian Society of Mechanical Sciences and Engineering"
DOI: 10.1007/s40430-016-0585-8
Abstract: Sliding friction losses play a significant role in power losses of a gearbox. The author has proposed a calculation method of sliding friction losses considering the transmission errors. The tooth surface meshing force, relative sliding/entrainment… read more here.
Keywords: friction; method; sliding friction; helical gear ... See more keywords
Failure analysis of a secondary driving helical gear in transmission of electric vehicle
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DOI: 10.1016/j.engfailanal.2020.104934
Abstract: Abstract The failure cause of a secondary driving helical gear in transmission system of electric vehicle(VE) was analyzed in this paper. The macroscopic fractography, microscopic metallographic observation, hardening depth and hardness and chemical composition inspection,… read more here.
Keywords: driving helical; analysis; failure; gear transmission ... See more keywords
Helical gear wear monitoring: Modelling and experimental validation
Sign Up to like & getrecommendations! Published in 2017 at "Mechanism and Machine Theory"
DOI: 10.1016/j.mechmachtheory.2017.07.012
Abstract: Gear tooth surface wear is a common failure mode. It occurs over relatively long periods of service nonetheless, it degrades operating efficiency and leads to other major failures such as excessive tooth removal and catastrophic… read more here.
Keywords: validation; time varying; gear wear; helical gear ... See more keywords
Novel mathematical modelling method for meshing impact of helical gear
Sign Up to like & getrecommendations! Published in 2020 at "Mechanism and Machine Theory"
DOI: 10.1016/j.mechmachtheory.2020.103949
Abstract: Abstract This paper presents a novel calculation method for accurately determining the meshing impact of helical gears. First, a mathematical model of meshing impact is constructed, the position of the impact point and the length… read more here.
Keywords: impact helical; meshing impact; method; helical gear ... See more keywords
Novel calculation method for dynamic excitation of modified double-helical gear transmission
Sign Up to like & getrecommendations! Published in 2022 at "Mechanism and Machine Theory"
DOI: 10.1016/j.mechmachtheory.2021.104467
Abstract: Abstract This paper presents a novel calculation method for dynamic excitation of the 3-D modified double-helical gear pair in consideration of actual contact state. The 3-D modification method combines tip, root, and axial modification. Firstly,… read more here.
Keywords: double helical; calculation; method; helical gear ... See more keywords
An improved time-varying mesh stiffness model for helical gear pairs considering axial mesh force component
Sign Up to like & getrecommendations! Published in 2018 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2018.01.012
Abstract: Abstract An improved time-varying mesh stiffness (TVMS) model of a helical gear pair is proposed, in which the total mesh stiffness contains not only the common transverse tooth bending stiffness, transverse tooth shear stiffness, transverse… read more here.
Keywords: tvms; stiffness; mesh stiffness; helical gear ... See more keywords
Multi-objective optimal design of modification for helical gear
Sign Up to like & getrecommendations! Published in 2021 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2021.107762
Abstract: Abstract Vibration and noise produced in the process of gear transmission and uneven distribution load on tooth surface seriously affect the transmission performance of gear system. Gear modification is a valid technology to solve this… read more here.
Keywords: tooth surface; gear; multi objective; modification ... See more keywords
Analysis of mechanical power loss of a helical gear pair based on the starved thermal-elastohydrodynamic lubrication model
Sign Up to like & getrecommendations! Published in 2019 at "Industrial Lubrication and Tribology"
DOI: 10.1108/ilt-06-2019-0225
Abstract: Power loss is an important index to evaluate the transmission performance of a gear pair. In some cases, the starved lubrication exists on the gear contact interface. The purpose of this paper is to reveal… read more here.
Keywords: lubrication; gear pair; power loss; helical gear ... See more keywords
Analysis of vibration characteristic for helical gear under hydrodynamic conditions
Sign Up to like & getrecommendations! Published in 2017 at "Advances in Mechanical Engineering"
DOI: 10.1177/1687814016687962
Abstract: Based on the elasto-hydrodynamic lubrication theory, a 2-degree-of-freedom nonlinear dynamic model of helical gears with double-sided film is proposed, in which the minimum film thickness behaves as a function of load parameters, lubricant parameters, and… read more here.
Keywords: vibration; analysis vibration; helical gear; characteristic helical ... See more keywords
Spur and Helical Gear Sliding Loss Model with Load Distribution Pattern on Gear Tooth Surface
Sign Up to like & getrecommendations! Published in 2018 at "Engineering Journal"
DOI: 10.4186/ej.2018.22.2.101
Abstract: The model for estimation of spur and helical gear sliding loss with load distribution pattern on gear tooth surface is presented in this paper. The load distribution for the spur gear is considered to distribute… read more here.
Keywords: helical gear; model; load distribution; sliding loss ... See more keywords