Prima Industries, Spa

Duilio Macchi

Alberto Delle Piane

A process for the production of multi-thickness and/or multi-material blanks, comprising the steps of: setting and withholding a first piece (P ) of metal sheet on a first workpiece-supporting structure ( ); setting and withholding a second piece (P ) of metal sheet on a second workpiece-supporting structure ( ) which is mobile with respect to the first workpiece-supporting structure ( ) under the control of a numerical-control unit ( ); carrying out laser cutting of at least one edge of the first piece (P ) and of the second piece (P ) and defining reference lines ( ) of the first piece and second piece, respectively, the positions of which are known to the numerical-control unit ( ); bringing the first piece (P ) and the second piece (P ) up to one another until they reach a position where the aforesaid reference lines ( ) overlap one another; and carrying out a laser weld between the first piece (P ) and the second piece (P ) along the aforesaid coinciding reference lines ( ).

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Turin, Italy

Duilio Macchi