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Method and apparatus for characterizing and enhancing the dynamic performance of machine tools

United States Patent

8,610,393
December 17, 2013
View the Complete Patent at the US Patent & Trademark Office
Y-12 National Security Complex - Visit the Technology Transfer Website
Modulated Tool Path (MTP) Chatter Suppression System
Disclosed are various systems and methods for assessing and improving the capability of a machine tool. The disclosure applies to machine tools having at least one slide configured to move along a motion axis. Various patterns of dynamic excitation commands are employed to drive the one or more slides, typically involving repetitive short distance displacements. A quantification of a measurable merit of machine tool response to the one or more patterns of dynamic excitation commands is typically derived for the machine tool. Examples of measurable merits of machine tool performance include dynamic one axis positional accuracy of the machine tool, dynamic cross-axis stability of the machine tool, and dynamic multi-axis positional accuracy of the machine tool.
Barkman; William E. (Oak Ridge, TN), Babelay, Jr.; Edwin F. (Knoxville, TN)
Babcock & Wilcox Technical Services Y-12, LLC (Oak Ridge, TN)
12/ 760,115
20110254495
April 14, 2010
GOVERNMENT RIGHTS The U.S. Government has rights to this invention pursuant to contract number DE-AC05-00OR22800 between the U.S. Department of Energy and Babcock & Wilcox Technical Services Y-12, LLC.