Saint-gobain Glass France

Claire Lucas

Francois Sausset

Lydia Tlilane

A method determines an optimized cutting plan for using a guillotine to cut a batch of rectangular pieces of glass out from at least one sheet of glass. The method includes initializing including defining cutting constraints and positioning constraints for the pieces together with an optimization criterion; creating a tree comprising a root, leaves, each presenting a complete cutting plan enabling all of the pieces of the batch to be cut out, the cutting plan associated with a node of the tree being obtained by adding to the partial cutting plan associated with the parent node of the node, and in compliance with the constraints, the next piece for the frame determined in compliance with the sequence predetermined for the frame; and selecting a complete cutting plan associated with a leaf of the tree as a function of the optimization criterion.

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Paris, France

Claire Lucas