Patent ID: 6526657
Filing Date: 2003-03-04
Classification: B21K,B23P,Y10T

Abstract:
A method of securing a cover plate to one of first and second buckets of a turbine, comprising the steps of:(a) locating a tip of the first bucket in opposition to a fixture surface; (b) disposing the cover plate in opposition to the tip of the first bucket; (c) disposing the tip of the second bucket in opposition to one side of the cover plate opposite said first bucket tip; (d) peening a tip portion of the tenon projecting from the one side of the cover plate through the opening in the second tip of the second bucket by engaging a peening tool and the tenon tip portion to secure the cover plate and the second bucket to one another; (e) providing a second tenon projecting from said one side of the cover plate and through another opening in the tip of the second bucket; and (f) after step (d), indexing the peening tool and the fixture relative to one another to locate said second tenon on said one side of the cover plate in registration with the peening tool and peening a tip portion of said second tenon to secure the cover plate and tip portion to one another.