Turbine blade repair

Details Turbine blade repair Turbine blade repair

B - Operations, Transporting

23

P

26/150

B23P 15/02 (2006.01) B23P 6/00 (2006.01) B23P 15/04 (2006.01) F01D 5/00 (2006.01)

Patent

CA 1189692

ABSTRACT A method of repairing a turbine blade of the type having one or more lacing wire holes comprising the steps of welding additional metal to the blade, subjecting the blade to a stress relieving heat treatment process before which the or each lacing wire hole is effectively eliminated by filling the hole or holes with material the same as or at least compatible with the material from which the blade is made. The turbine blade may be subected to the application of mechanical forces to restore its form and machining to restore its shape can be gauged to ensure both its form and shape is correct.

393940

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