Process and installation for machining unfinished sheets issuing from a sheet rolling mill.

摘要

1. A method for the treatment of rough sheets or mother sheets (TM) issuing from a rolling mill, so as to cut said sheets into daughter sheets of predetermined dimension comprising determining the inscribalility of each mother sheet for establishing a marking plan permitting an optimum utilization of the mother sheet and then passing each mother sheet into means (5, 6) for cutting to length and cutting to whidth so as to cut out daughter sheets, characterized in that the operation for determining the inscribability comprises projecting onto the mother sheets (TM) a network of crossed luminous lines (t1 , t2 , t3 -a à t3 -g), selectively displacing each of said luminous line while maintaining it parallel to itself so as to define on the moteur sheet a batch of daughter sheets to be obtained, plotting the coordinates of the luminous lines relative to a reference system pertaining to the mother sheet and cutting the mother sheet in accordance with the obtained coordinates.