Mtu Aero Engines Ag

Nils Weidlich

Frank Seidel

Leszek Zak

The invention relates to a method for repairing a damaged blade tip of a turbine blade which is armor-plated and provided with a blade coating, of a thermal gas turbine. The method according to the invention comprises the steps of removing a blade tip armor plating of the turbine blade at least in the region of the damaged blade tip and producing a repair surface (), removing only a part of the blade coating of the turbine blade in the region of the repair surface while preserving a part of the blade coating separated from the repair surface (), restoring the blade tip reinforcement (), and restoring the blade coating in the region of the repaired blade tip (). The invention furthermore relates to a device for carrying out such a method.

Method and device for repairing a damaged blade tip of a turbine blade which is armor-plated and provided with a blade coating

Disclosed is a method of repairing damage of an aircraft engine component made of or comprising weldable thermoplastic material, which method comprises welding of the weld filler material into an initially prepared damaged area. Also disclosed are the use of plastic welding technique for repairing damaged aircraft engine components made of weldable thermoplastic materials.

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Neustadt, Germany

Nils Weidlich