Abstract: The device includes a hollow cutting roller with a blade attached to the outer surface of the hollow roller. A stationary shaft is also provided, arranged inside the hollow roller and coaxial therewith. The stationary shaft is connected to a supporting structure and the hollow roller is rotatably supported onto the stationary shaft. A motor drive is provided to rotate the hollow roller around the stationary shaft. The hollow roller is supported onto the stationary shaft by at least a hydrostatic bearing arranged in an intermediate position between the ends of the stationary shaft.

Abstract: The device includes a hollow cutting roller with a blade attached to the outer surface of the hollow roller. A stationary shaft is also provided, arranged inside the hollow roller and coaxial therewith. The stationary shaft is connected to a supporting structure and the hollow roller is rotatably supported onto the stationary shaft). A motor drive is provided to rotate the hollow roller around the stationary shaft. The hollow roller is supported onto the stationary shaft by at least a hydrostatic bearing arranged in an intermediate position between the ends of the stationary shaft.

Abstract: Large structure lateral hydrostatic guidance system, particularly suitable for realising the lateral guidance system of the elevation axis of a large telescope made with at least two guide rings, characterized in that all the hydrostatic supports are tilting and floating and have a hydraulic preloading chamber acting between the base and the runner, connected together so as to achieve an isostatic and uniform sharing out of the loads acting on the structure.

Abstract: The present invention concerns a connection device for use in an articulated apparatus comprising two or more tandemly arranged interconnected movable segments, for limiting rotation between two adjoining segments connected by a joint having a single axis of rotation, comprising: a spring assembly comprising one or more helical torsion springs, which assembly has a first end and a second end, configured for placement co-axially along the joint axis of rotation; a stop pin adapted for attachment to one adjoining segment, another stop pin adapted for attachment to the other adjoining segment, each pin moveable around the axis of rotation in fixed relation to the attached segment, wherein the first end of the spring assembly is configured for disengageable connection with the stop pin of one segment, and the second end is configured for disengageable connection with the stop pin of the other segment, such that the degree of rotation by the one segment about the joint axis relative to the other segment is limited

Abstract: A probe for gauging machines with articulated arms comprises a fixed gauging stylus (31), supporting, at its end, a gauging ball, characterized in that it also comprises a handle body (33) which can be manually operated by an operator to push the gauging ball against a surface to be gauged (13), and in that the handle body (33) is equipped with sensors sensitive to the force acting between the gauging ball and the surface to be gauged and in that the signal supplied by the sensors controls measurement acquisition.

Abstract: A probe for gauging machines with articulated arms comprises a fixed gauging stylus (31), supporting, at its end, a gauging ball, characterised in that it also comprises a handle body (33) which can be manually operated by an operator to push the gauging ball against a surface to be gauged (13), and in that the handle body (33) is equipped with sensors sensitive to the force acting between the gauging ball and the surface to be gauged and in that the signal supplied by the sensors controls measurement acquisition.

Abstract: A method for automatically correcting the systematic errors in measurement machines and in manufacturing machines, in particular in machine tools, characterized by comprising the following operative steps in succession: identifying the parametric mathematical model of the machine, initially assigning, to the parameters of said parametric mathematical model, numerical values considered to be close to the effective values, to obtain a provisional mathematical model of the machine, effecting a plurality of mutually independent distance measurements within the working field of the machine, determining the differences between the experimentally measured distance values and the corresponding distance values deduced from said provisional mathematical model, to define the corresponding provisional inaccuracy index of the machine, varying said parameters in the sense of improving the predefined provisional inaccuracy index, to hence obtain a new provisional mathematical model of the machine which is closer to its defi

Abstract: A method for automatically correcting the systematic errors in measurement machines and in manufacturing machines, in particular in machine tools, characterised by comprising the following operative steps in succession: identifying the parametric mathematical model of the machine, initially assigning, to the parameters of said parametric mathematical model, numerical values considered to be close to the effective values, to obtain a provisional mathematical model of the machine, effecting a plurality of mutually independent distance measurements within the working field of the machine, determining the differences between the experimentally measured distance values and the corresponding distance values deduced from said provisional mathematical model, to define the corresponding provisional inaccuracy index of the machine, varying said parameters in the sense of improving the predefined provisional inaccuracy index, to hence obtain a new provisional mathematical model of the machine which is closer to its defi

Abstract: The apparatus comprises a horizontally-extending base (2) mounted on wheels (3) and providied at one end (4) with anchoring means (5) locking it to a repair bench (6) and at the opposite end (9) with a pair of double-acting hydraulic jacks (11, 12) hinged thereto and joined together at a junction point (P) which is raised relative to the base (2). Connected to the junction point (P) is a third double-acting hydraulic jack (16, 33) which is intended to carry out a pulling or thrust action in order to straighten the deformed part (21) of a damaged vehicle body. The junction point (P) defined by the intersection of the pair of jacks (11, 12) hinged to the second base end (9), can be shifted in space without discontinuity and can therefore take any appropriate position for a correct and quick straightening of the deformed body.

Abstract: An apparatus 1 to measure and/or check the spatial position and angular orientation of characteristic spots or areas 3 in mechanical structures or members, particularly in motor-vehicle structural components such as bodies or wheels. The apparatus substantially comprises an articulated arm 4 provided with a number of pivot points 5 and carrying, at a free end thereof, a tracer point 10 adapted to be positioned close to the characteristic spots or areas 3 of the structure to be measured or checked. Located at the pivot points 5 of the articulated arm 4 are displacement transducers 16 which send electrical signals to a computer depending upon a variation in the configuration taken by the pivot points 5 as compared with corresponding reference configurations.