Helical tool geometry in stability predictions and dynamic modeling of milling
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The temporal finite element analysis (TFEA) method has been used in several publications to analyze interrupted machining dynamics. In this work, a higher order hp-version TFEA method will be presented which offers the possibility of lowering computation time. Also, in order to highlight the effect tool geometry has on stability and surface location error in milling, TFEA results that do and do not ignore helical geometry will be compared. In addition, simulation and experimental data are presented in an effort to validate TFEA results for machining Ti6Al4V using a helical tool.