Results 21 to 30 of about 23,866,702 (136)

Computerized generation and simulation of meshing of a novel crown gear coupling avoiding edge contact

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2019
To avoid the occurrence of the hub tooth tip edge contact with the sleeve tooth root flank and the sleeve tooth tip edge contact with the hub tooth root flank, a novel crown gear coupling composed of a hub with profile crowning, longitude crowning, and ...
Yabin GUAN, Xiaohui YANG, Zongde FANG
doaj   +1 more source

A calculation method of sliding friction coefficient on tooth surface for helical gear pair based on loaded tooth contact analysis and elastohydrodynamic lubrication theory

open access: yes, 2021
The sliding friction coefficient on tooth surface is related to power loss, carry capacity and transmission performance of gear. Reasonable transmission analysis of gear pair is the premise of accurate calculation of sliding friction coefficient on tooth
Wang, Cheng, Mao, Ken
core   +1 more source

A Semi-Analytical Load Distribution Model for Cycloid Drives with Tooth Profile and Longitudinal Modifications

open access: yesApplied Sciences, 2020
The current load distribution model for cycloid drives based on the Hertz contact stiffness typically assumes a two-dimensional planar problem without considering the tooth longitudinal modification effects, which fails to comply with the practical ...
Ting Zhang   +3 more
doaj   +1 more source

Unravelling the functional biomechanics of dental features and tooth wear [PDF]

open access: yes, 2013
Most of the morphological features recognized in hominin teeth, particularly the topography of the occlusal surface, are generally interpreted as an evolutionary functional adaptation for mechanical food processing.
Kullmer, Ottmar   +16 more
core   +1 more source

Finite element modelling and load share analysis for involute worm gears with localised tooth contact [PDF]

open access: yes, 2001
A new approach has been developed by the authors to estimate the load share of worm gear drives, and to calculate the instantaneous tooth meshing stiffness and loaded transmission errors. In the approach, the finite element (FE) modelling is based on the
Gentle, CR, Su, D, Yang, F
core  

An experimental investigation of contact characteristics of crown gear coupling with angular misalignment

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2021
Crown gear couplings are commonly applied to transfer rotary motion and torsion from one rotating component to another under a certain misalignment angle.
Yabin GUAN   +4 more
doaj   +1 more source

Meshing theory and contact analysis of double enveloping hourglass worm drive with planar generatrix

open access: yesScientific Reports
The meshing and limit equations of worm drive usually have strong nonlinearities such as multiple solutions, solution nonexistence and equation singularity.
Quancheng Peng, Minghao Li
doaj   +1 more source

Effect of Geometric Transmission Error on Load and Vibration Characteristic of Spiral Bevel Gear

open access: yesJixie chuandong, 2020
The tooth surface grid node coordinates are accurately calculated by the tooth surface equation. According to the density requirements of the grid nodes, the grid nodes are evenly divided, the tooth root transition curve mesh is encrypted, and the finite
Bohui Yang   +3 more
doaj  

Development of a device to simulate tooth mobility [PDF]

open access: yes, 2010
Objectives: The testing of new materials under simulation of oral conditions is essential in medicine. For simulation of fracture strength different simulation devices are used for test set-up.
Lamper, Timea   +4 more
core   +1 more source

Loaded Tooth Contact Analysis and Stresses in Spiral Bevel Gears

open access: yes, 2009
The method for loaded tooth contact analysis is applied for the investigation of the influence of misalignments and tooth errors on load distribution, stresses and transmission errors in mismatched spiral bevel gears.
Vilmos V. Simon
core   +1 more source

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