2015•Unpublished venueOpen access

Nonlinear Dynamics of an Automotive Differential Hypoid Gear Pair

Leonidas I. Paouris, Stephanos Theodossiades, Homer Rahnejat, Adam Kidson, Gregory Hunt, William R. S. Barton

Abstract

The dynamics of an automotive differential hypoid gear pair is investigated. The gear pair model is a 4 degree-of-freedom torsional model, including the torsional deflections of the supporting shafts of the pinion and the gear. It also includes the dynamic transmission error of the mating teeth pairs. The variations in teeth contact stiffness/contact, principal radii of contact and static transmission error are determined during the meshing cycle, using the CALYX software. The equations of motion are solved using a numerical integration scheme. A preliminary parametric study is presented, enabling identification of different periodic responses as the vehicle cruising speed alters.

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Available abstract

Key concepts: Spiral bevel gear, Pinion, Nonlinear system, Contact analysis, Structural engineering, Stiffness, Engineering, Differential (mechanical device)