the main advantages are numerous: - the capacity to conform to the geometrical differences of pieces that are obtained with foundry or stamping processes and, therefore, that are not perfectly equal one to the other. - th......the main advantages are numerous: - the capacity to conform to the geometrical differences of pieces that are obtained with foundry or stamping processes and, therefore, that are not perfectly equal one to the other. - the possibility of vary the working pressure according to the necessity to speed up the cycle time, making constant the final quality of the product, from the first to the last piece that is worked and optimizing the consumption of the tools. - the possibility of working completely independent without the regular presence of an operator and therefore with a further reduction of the cost per hour of the system. - remarkable saving of the consumption material.