Non-linear Dynamics of an Automotive Differential Hypoid Gear Pair

Paouris, L, Theodossiades, S, Rahnejat, Homer orcid iconORCID: 0000-0003-2257-7102, Kidson, A, Hunt, G and Barton, W (2016) Non-linear Dynamics of an Automotive Differential Hypoid Gear Pair. In: ASME 2015 Power Transmission and Gearing Conference, 2/8/15-5/8/15, Boston, Massachusetts, USA.

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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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