PROCESS AND DEVICE TO DETERMINE THE GEOMETRY OF AN OBJECT
European Patent Office Patent
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Abstract
A process for determining the geometry of an object (10) in a forging press is specified, it being the case that for the purpose of being processed the object in the forging press is displaced for a processing pass and rotated about the longitudinal axis in a predetermined fashion. In this process, the surface of the object (10) is continuously scanned over the circumference in a manner known per se in planes perpendicular to the direction of displacement of the object. Thereafter, the scanned data are transmitted to a computer programmed in advance, and subsequently converted in the computer with the aid of a program based on the volume constancy conditions in such a way that the actual geometry of the object (10) is acquired. The acquired actual geometry is processed in the computer so as to introduce a further transformation step with predetermined programmed forging parameters. A device for carrying out the process consists of a carrier, which is constructed as a ring (13), is arranged in the vicinity of the processing region of the object (10), and is attached to a sensor (15), rotating about the object at a defined rate. Installed on the inner surface (14) of the ring (13) at two or more oppositely located points are beam transmitters (11) and beam receivers (12) arranged adjacently in each case.
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Cited Art Landscape
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