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The main aim of this research programme is the automation of slab inspection during their extraction from the continuous casting machine. To this end, a robotic system equipped with measurement transducers is proposed for moving in a flexible fashion a non-destructive test transducer along the upper and side faces of a slab. By extension, this system could be integrated within a larger equipment, including facilities for the on-line conditioning of surface defects. The solution proposed involves a modular robot with electrical drives, comprising a gantry with a mobile carriage. This is equipped with a horizontally-moving arm which carries a vertically-mobile cradle containing the control transducer and the telemeters. These in turn pilot the fast-acting hydraulic actuators maintaining the distance and, possibly, the parallelism between the transducer and the slab surface. A light water-cooled insulating envelope is specified to protect the robot and its load against thermal radiation from the slab. Programming has been set-up so as to give a detailed examination of defective zones detected during a fast scan. The system is intended in particular for continuously cast products, heavy plates and beams at high temperature.

Additional information

Authors: NEUMANN N, Centre de Recherches Métallurgiques, 11, rue Ernest Solvay, B-4000 Liège (BE);PIRLET R, Centre de Recherches Métallurgiques, 11, rue Ernest Solvay, B-4000 Liège (BE)
Bibliographic Reference: EUR 12132 FR (1989) MF, 69 pp., ECU 4, blow-up copy ECU 8.75
Availability: (2)
ISBN: CD-NA-12132-FR-C
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