A method for carrying out the Loaded Tooth Contact Analysis (LTCA) of helical gear pairs is described in this paper. Gear profiles are obtained by means of numerical simulation of the cutting process and an accurate description is provided in terms of NURBS curves or surfaces.The minimum number of parameters needed to describe accurately the profile in presence of tip and root reliefs, helix modification and crowning is discussed. Some cases are presented and discussed.
3D Nonlinear Finite Element Modeling of Helical Gears / Zippo, Antonio; Barbieri, Marco; Pellicano, Francesco. - ELETTRONICO. - 1:(2011), pp. 1-8. (Intervento presentato al convegno XX Congresso dell'Associazione Italiana di Meccanica Teorica e Applicata tenutosi a Bologna nel 12-15/09/2011).
3D Nonlinear Finite Element Modeling of Helical Gears
ZIPPO, Antonio;BARBIERI, MARCO;PELLICANO, Francesco
2011
Abstract
A method for carrying out the Loaded Tooth Contact Analysis (LTCA) of helical gear pairs is described in this paper. Gear profiles are obtained by means of numerical simulation of the cutting process and an accurate description is provided in terms of NURBS curves or surfaces.The minimum number of parameters needed to describe accurately the profile in presence of tip and root reliefs, helix modification and crowning is discussed. Some cases are presented and discussed.
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