Patent ID: 8936442
Filing Date: 2015-01-20
Classification: B23K,F01D,F05D,Y10T

Abstract:
1. A method for manufacturing an integrally bladed rotor having a rotor base member and a plurality of blades comprising the following method steps: preparing the rotor base member having at least one first weld surface and one blade of the plurality of blades having a second weld surface, the rotor base having an axial direction in a direction of flow, a radial direction and a circumferential direction; positioning the rotor base member and the blade after the preparing step so that end faces of the rotor in the axial direction delimit a join zone formed between the first and second weld surfaces; filling the join zone with metal powder; and laser welding or electron beam welding the metal powder in the join zone, wherein the join zone is filled with metal powder in layers, each layer being welded and running radially and circumferentially and stacked axially with respect to the rotor.