Hybrid rear axle for car, has cross-piece made of steel and welded with support by weld bead for junction between free end of flange or flange portion and cross-piece, where arms are made from aluminum or aluminum alloy

摘要

The axle has a support (6) mechanically linked to longitudinal arms (4), and comprising a recess (62) with a complementary shape to an end section of a cross-piece (2). The support comprises a flange or flange portion (66, 67) in an extension of a wall that defines the recess, where height of the flange or flange portion is variable. The cross-piece is welded with the support by a weld bead (68) for junction between a free end of the flange or flange portion and the cross-piece.