Patent ID: 8437628
Filing Date: 2013-05-07
Classification: C21D,F01D,F05D,Y10T

Abstract:
1. A process for heat treating selected portions of an integrally bladed rotor (IBR) having a plurality of blades, the process comprising: mounting an IBR on a fixture having a rotor engaging portion; mounting an IR heater on one of the IBR blades; moving the fixture having an IBR into an environmental chamber; evacuating air from the chamber and adding an inert gas; heat treating the blade having the IR heater; lifting the IR heater from the blade and indexing the IBR to position another blade in alignment with the IR heater; mounting the IR heater on the another blade and heat treating the another blade, repeating the steps including indexing and heat treating of the IBR blades until all its blades are heat treated; and removing the IBR from the chamber.