Welding equipment for fabricating a combustion liner

摘要

A combustion line, having a combustion liner body and rings welded inside the liner body, is fabricated by enlarging the diameter of each ring so that the spacing between the outer pheripheral surface of the ring and the inner peripheral surface of the liner body may fall within a predetermined range. Subsequently tacking the ring and the liner body by lap resistance welding in the state in which the diameter of the ring has been enlarged; thereafter, brazing the rings and the liner body which have been tacked.