Making a composite structure, the torsion beam axle Method

The present invention relates to a method of making a torsion beam axle, the torsion beam axle each arm having a lightweight metal and iron metal longitudinal beams, the present invention proposes a method comprising at least the following steps: making a mold for each trailing arm, the suitable cross member is inserted into the end portion of the corresponding recesses in the mold, and then the liquid is poured into a lightweight metal casting mold for the vertical arm, allowing introducing molten lightweight metal mold cooling, cooling was removed and combined light beam from an end portion of the mold elemental metals.