Patent ID: 7176408

Claim:
A method for cutting by laser radiation structural components to be joined, wherein the laser radiation is guided by means of a computer-controlled manipulation system, the method comprising the steps of: a) determining measuring technologically structural component surfaces of the structural components to be joined along a joining line located within the structural component surfaces, wherein at least one of the structural components is three-dimensionally shaped causing the joining line to be curved; b) calculating, based on measuring results obtained in the step a), a curved three-dimensional penetration line of the structural components when joined in an ideal position along the joining line and a nominal path for each structural component corresponding to the penetration line; c) providing a marking on one of the structural component surfaces; d) performing by laser radiation a cut on the structural component surface provided with the marking; e) when performing the cut, determining measuring technologically a resulting cutting gap and the marking and comparing the cutting gap and the nominal path, using the marking as a reference; f) when a deviation of the cutting gap from the nominal path is detected in step e), controlling the manipulation system to correct the deviation.