Blending blades
In the process of operation of jet engines in the air section fall which may cause deformation or tearing of the blades of the compressor. Sometimes, if the damage is not critical and the manufacturer insists on the replacement of the damaged blade and costly repairs, you can do blending the damaged section of the blade, if it possible. Usually this way of solving a damaged blade is resorted to if the hit is formed hub voltage, which, due to centrifugal forces can cause the separation of the blade and the death of all the engine stages and is extremely expensive repair. Such places are burnished transitions and the roots of the blades. Washed down with a special tool takes place via borescope methods of the hole, changing the shape of the damage and making it less dangerous from the viewpoint of centrifugal forces that are trying to rip the shoulder blade.

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