Perfected process and system for producing column radiators.

A process for producing column radiators defined by two manifolds hydraulically connected by a number of columns; the process including in succession:    a step wherein the manifolds (2) and the columns (3) are placed inside a die (19);    a step wherein the die (19) is transferred by drive means (18) to a welding station (6);    a step wherein at least one laser head (8) is moved by drive means (12, 14, 15) up to the portions for welding; and    a step wherein, for each column (3), the laser head (8) CO2 laser welds the end edge of the column (3) to a hole formed in one face of the manifold (2).