Method and compression apparatus for introducing residual compression into a component having a regular or an irregular shaped surface
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United States of America Patent
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Oct 17, 2017
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N/A
app pub date -
Mar 15, 2013
filing date -
Jul 5, 2012
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Abstract
A method and apparatus for improving the fatigue and stress corrosion cracking performance of irregular surfaces, such as welds assemblies of components, using a positioning system, such as a robotic or CNC machine, to position a tool head for inducing compression along and into the surface of a workpiece to automatically follow the surface irregularities. The method and apparatus operates to follow a virtual control surface located below the actual surface of the workpiece thereby allowing the irregular topography surface to be uniformly processed with closed loop process control.
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