The present invention concerns a metal casting installation comprising, (a) a loading platform (20), (b) a tundish (1), (c) a first ladle (11) and a second ladle (12), each of the first and second ladle comprising, a floor provided with an opening (11o, 12o), a collector nozzle (14) and a ladle shroud (13a-13c), a ladle sliding gate (15) configured for moving the collector nozzle and the ladle shroud between a sealed position wherein the opening is sealed, a casting position wherein the opening faces the ladle shroud (13a-13c), and an unclogging position wherein the opening faces the collector nozzle (14), (d) a turret (30) for holding the first and second ladles, configured for moving and holding in place the first and second ladles (11,12) between a loading station and a casting station, over the tundish (1), Characterized in that, the metal casting installation comprises a robot (21) configured for carrying out the following operations on the first or second ladle which is held in the loading station, loading a new ladle shroud (13b) onto the ladle slide gate (15), and coupling a driving device (17) to the ladle slide gate (15).