Manufacturing methods and systems using sacrificial structure preforms
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United States of America Patent
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Jun 28, 2016
Grant Date -
Jan 2, 2014
app pub date -
Jun 13, 2013
filing date -
Jun 13, 2012
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Abstract
A manufacturing method, including: given a predetermined finished part geometry, providing a sacrificial structure preform that simultaneously contains the finished part geometry, minimizes material that must be removed from the sacrificial structure preform to achieve the finished part geometry during machining, and has a sufficient stiffness to resist a machining force that will be applied during machining without allowing the finished part geometry to be compromised; and machining the sacrificial structure preform to achieve the finished part geometry. The manufacturing method also includes preliminarily estimating a stiffness of the finished part geometry and the machining force that will be applied during machining.
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