Method of weld repairing of a section of a metallic cylindrical

Details Method of weld repairing of a section of a metallic cylindrical Method of weld repairing of a section of a metallic cylindrical

1990-11-01

1992-02-04

Seidel, Richard K.

Metal fusion bonding

Process

Repairing, restoring, or renewing product for reuse

228160, 2940216, 219 7614, B23K 3100

Patent

active

050853635

ABSTRACT:
A method of repairing a section of a metallic cylindrical member, such as a turbine shaft, having surface defects and a keyway thereon, by machining the surface to a depth less than the depth of the keyway and inserting a half key in the keyway, and machining the combination to provide a continuous surface for welding. A weld material is then deposited over the continuous surface formed to a thickness which provides a diameter greater than the initial diameter of the shaft. The weld material is machined to give a member having the initial diameter and the key member is removed to provide a repaired member having a keyway therein.

REFERENCES:
patent: 3349463 (1967-10-01), Kittelson
patent: 4663554 (1987-01-01), Clark et al.
patent: 4808055 (1989-02-01), Wertz et al.
patent: 4826071 (1989-05-01), Becker
patent: 4893388 (1990-01-01), Amos et al.
patent: 4897519 (1990-01-01), Clark et al.
patent: 4903888 (1990-02-01), Clark et al.

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