Patent ID: 6642474
Filing Date: 2003-11-04
Classification: B23K

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