This drive slows down the ram during the lower part of its descent stroke.
This characteristic results in a considerable impact speed even quite far over bottom dead center so allowing to maintain high output speeds.
The particular Colombo Agostino link - drive version insures a longer die life and product quality improvement.
Also  with this drive  it is possible to design the press with extremely long stroke values and press capacities supplied quite many millimetres far over bottom dead centre.

Example of a link drive press slide motion diagram

Example of link - drive in version for cold forging presse