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RISQuasi-Static and Dynamic Analysis of Narrow-Faced Helical Gears With Profile and Lead Modifications
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A systematic analysis of the influence of tooth shape modifications on the dynamic behavior of single stage narrow-faced helical gears is proposed. Calculations are performed using a 3D model ...
An Analytical Approach to Tooth Friction Losses in Spur and Helical Gears—Influence of Profile Modifications
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An original displacement-based formulation of tooth friction power losses in spur and helical gears is established, which can account for the influence of tooth profile modifications. Several ...
Experimental and Numerical Investigations on the Influence of Tooth Friction in Spur and Helical Gear Dynamics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A model based upon a finite element procedure is introduced for analyzing the influence of tooth friction on spur and helical gear dynamics. The equations of motion are solved by combining a ...
Static and Dynamic Tooth Loading in Spur and Helical Geared Systems-Experiments and Model Validation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The primary objective of this study is to validate a specific finite element code aimed at simulating dynamic tooth loading in geared rotor systems. Experiments have been conducted on a ...
A Model for the Prediction of Churning Losses in Geared Transmissions—Preliminary Results
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A series of formulas are presented which enable accurate predictions of churning losses for one pinion characteristic of automotive transmission geometry. The results are based on dimensional ...
Housing Influence on Churning Losses in Geared Transmissions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In a previous paper (, and , 2007, “ A Model for the Prediction of Churning Losses in Geared Transmissions—Preliminary Results,” ASME J. Mech. Des., 129(1), pp. 128–133), a series of empirical ...
An Extended Model for the Analysis of the Dynamic Behavior of Planetary Trains
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An extended model for determining critical frequencies for tooth loading on spur and helical gear planetary trains is proposed. Torsional, flexural and axial generalized displacements of all the ...
An Analytical Expression for the Time-Varying Contact Length in Perfect Cylindrical Gears: Some Possible Applications in Gear Dynamics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents an analytical expression of the time-varying contact length between perfect involute spur and helical gears. It is shown that contact lengths can be expressed as Fourier ...
Dynamic Response of Planetary Trains to Mesh Parametric Excitations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An extended three-dimensional model is used for calculating dynamic tooth loads on a planetary gear set. Time dependent mesh stiffnesses are determined and an original Ritz method aimed at ...
Modeling of Spur and Helical Gear Planetary Drives With Flexible Ring Gears and Planet Carriers
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A model is presented which enables the simulation of the three-dimensional static and dynamic behavior of planetary/epicyclic spur and helical gears with deformable parts. The contributions of ...