Patent ID: 8230569
Filing Date: 2012-07-31
Classification: B23P,F01D,F05D,Y10T

Abstract:
1. A method for repairing damaged bolt holes in a flange having a plurality of circumferentially spaced bolt holes therein, each bolt hole defining a center axis, and the flange defining an outer diameter edge, the method comprising: removing parent material of the flange, wherein the parent material is removed in a first pattern bounded by first, second, third and fourth points, wherein the first point corresponds to the center axis of a first of the plurality of bolt holes, wherein the second point corresponds to center axis of a second of the plurality of bolt holes, and wherein the third and fourth points are defined at the outer diameter edge of the flange circumferentially spaced from each other; and metallurgically joining a replacement detail to the parent material of the flange a location where the parent material of the flange was removed in the first pattern.