The industrial experience obtained in the working of models, moulds and big size patterns at working centres on three operated axes led to the conclusion that for complex surface pieces (3 D) it is economically and technologically important to pass to the working on five operated axes. This paperwork offers studies made by technologists in order to modify the programming language and the computed equipments depending on the new volume of geometrical and technological information, characteristic for the working on five operated axes. Finally, it is shown that the necessary investments are not very expensive and thus the new technology becomes profitable in all cases.
