METHOD FOR RESTORING TURBOMACHINE BLADES Russian patent published in 2002 - IPC

FIELD: aircraft and engine manufacture, namely restoration of turbomachine blades. SUBSTANCE: method comprises steps of making cylindrical recess on damaged portion of blade vane; making insert in the form of disc half having end groove; joining insert with blade vane in zone of recess and welding it by electron-beam welding; determining radius of recess in depending upon insert diameter and groove depth; joining insert with vane of blade along end of insert groove for achieving its contact with vane; realizing welding on surface of insert along predetermined-radius circle. EFFECT: simplified manufacture, lowered labor consumption for restoring blades. 7 dwg