Hole drilling elastically deformed superalloy turbine blade
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United States of America Patent
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Mar 5, 2019
Grant Date -
Oct 18, 2018
app pub date -
Apr 12, 2017
filing date -
Apr 12, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
A method includes applying a force to elastically deform at least a portion of a superalloy turbine blade from a relaxed, initial position to an elastically deformed position. The at least a portion of the superalloy turbine blade has a curvature in the elastically deformed position not present in the relaxed, initial position. A hole is drilled generally span-wise through the at least a portion of the superalloy turbine blade in the elastically deformed position, and when the force is released, the superalloy turbine blade returns to the relaxed, initial position and the hole takes on a hole curvature within the at least a portion of the superalloy turbine blade.
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