Patent ID: 7416393

Claim:
A method for manufacturing gas turbine rotors having integral blading, wherein a plurality of rotor blades comprised of a blade pan and a footing of the blade connected thereto are mounted on a rotor mount, by capacitor discharge welding, wherein the footing of the blade includes a V-shaped cross section serving to provide contact between the rotor mount and the footing in the capacitor discharge welding and wherein the blade footing includes a non-V-shaped portion disposed between the V-shaped cross section and a groove defined by the rotor blade that extends along a length of the rotor blade, wherein a tool is engaged in the groove and a pressure force is applied to the rotor blade by the tool, and wherein thickened areas and/or protruding material and/or welding notches are machined off to a final contour of the gas turbine rotors having integral blading.