METHOD OF MANUFACTURE OF AIRFOIL CASTINGS USING AUTONOMOUS ADAPTIVE MACHINING
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United States of America Patent
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Issued Date -
Jul 23, 2020
app pub date -
Jan 18, 2019
filing date -
Jan 18, 2019
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Abstract
A method of forming an airfoil includes casting the airfoil with an internal cooling circuit and an exterior surface with a positive feature. The exterior surface of the airfoil is scanned with a first probe. A size and a location of the positive feature are identified based on the scan of the exterior surface. A transformation matrix is created with a controller such that the transformation matrix includes toolpath transformation instructions. A transformed set of machine toolpath instructions is created by applying the transformation matrix using the controller to a first set of machine toolpath instructions to align the first set of machine toolpath instructions relative to the positive feature. A contour is then machined into the exterior surface of the airfoil based on the transformed set of machine toolpath instructions.
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