Fiatavio S.p.a.

Mario Bo

Leonardo De Carlo

Giuseppe Borio

Roberto Tolomei

Gianluigi Boscolo

Aurelio Berruto

Antonio Baima

A blade sector has a plurality of blades and a circular body connecting the ends of the blades defining its own axis and is finished by the working of a lateral surface of the circular body itself; the working of the lateral outer surface is effected with the use of a disc tool having a shaped cutting surface by arranging the cutting surface of the disc tool in contact with the lateral surface and rotating the sector about an axis distinct from the axis of the circular body and, at the same time as the bladed sector is rotated, displacing the blade sector and the disc tool translationally relative to each other in two directions perpendicular to the first axis in such a way that a distance between the axis of the circular body and the instantaneous point of contact of the lateral surface with the disc tool is kept constant during the entire working of the lateral surface itself.

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Asti, Italy

Mario Bo