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Influence of Metal Gear Tooth Geometry on Load and Wear within Metal-Polymer Gear Pairs

open access: yesApplied Sciences, 2021
Gear pairs made of the material pairing metal-polymer provide advantages, such as a reduced weight, beneficial damping properties and the possibility to be operated in dry running conditions.
Andreas Rohrmoser   +5 more
doaj   +1 more source

Tooth surface modification of double-helical gears for compensation of shaft deflections [PDF]

open access: yesMechanical Sciences, 2021
Based on gear meshing theory, the tooth surface equation with tooth profile modification parameters is deduced, the tooth surfaces of unmodified and modified gears are constructed, the three-dimensional model of unmodified and modified double helical ...
L. Liu, Q. Ma, J. Gong, G. Liu, X. Cao
doaj   +1 more source

Particle action behavior on the tooth surface of straight cylindrical gears by spindle finishing

open access: yesJin'gangshi yu moliao moju gongcheng, 2023
The objective of this study is to explore the mechanism of action at the contact interface between gears and particles in spindle barrel finishing, using the Discrete Element Method (DEM) for simulation. The motion of the particles in the vicinity of the
Yu FAN   +5 more
doaj   +3 more sources

Mesh efficiency analysis of conical involute gears

open access: yesNihon Kikai Gakkai ronbunshu, 2014
The conical involute gears have been applied to automotive parts such as FR-4WD transfer. To apply for automobile, high capacity, higher quietness and efficiency are required.
Kunihiko MORIKAWA   +4 more
doaj   +1 more source

A Novel Tooth Modification Methodology for Improving the Load-Bearing Capacity of Non-Orthogonal Helical Face Gears

open access: yesMachines, 2023
This study proposes a double-crown tooth surface modification technology that improves the load-carrying capacity of non-orthogonal helical tooth surface gears.
Chao Jia, Bingquan Li, Junhong Xu
doaj   +1 more source

Edge contact analysis for power transmission gears using tooth-flank-film elements

open access: yesNihon Kikai Gakkai ronbunshu, 2018
The present paper describes edge contact analyses for power transmission gears using tooth-flank-film elements, which have been proposed for finite element analyses of tooth stresses.
Ichiro MORIWAKI, Akio UEDA, Daisuke IBA
doaj   +1 more source

Effect of Time-varying Friction Factors on the Contact Fatigue Life of Gears

open access: yesJixie chuandong, 2023
The tooth surface friction has an important impact on the tooth surface contact stress and the tooth surface contact fatigue life. In the estimation of the contact fatigue life of the tooth surface, the influence of the friction force of the tooth ...
Li Xuefei   +5 more
doaj  

Novel monitoring method of gear meshing based on combination of continuous shots with a thermography and prediction of tooth surface temperature by heat circuit network model

open access: yesNihon Kikai Gakkai ronbunshu, 2016
It is well known that the tooth surface accuracy greatly influences the vibration in gear meshing. The hypoid gear used in automobile differential has a complex shape, and the estimation of the contact conditions is difficult.
Toshiki HIROGAKI   +3 more
doaj   +1 more source

Overview of Crown Gear Coupling Contact Theory

open access: yesJixie chuandong, 2023
Due to special tooth surface morphology, the crown gear coupling achieves misalignment compensation while causing the non-uniform carrying of tooth pairs, which destroys the stability of the tooth surface contact. Scholars at home and abroad have carried
Guan Yongqiang   +3 more
doaj  

Quality Control of Tooth Contact of Gear using Infrared Ray Imagery

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2008
We propose a non-contact method using infrared ray thermography for measuring gear tooth contact to focus attention on the heat generated on the tooth surface at meshing.
Yasuhiro UENISHI   +4 more
doaj   +1 more source

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