Abstract
In this paper, the dynamic behavior of a lightweight 5
-axis milling concept is analyzed using finite
element simulation. It has a pose
-dep
endent dynamic behavior with structural Eigen modes between 28 Hz and
50 Hz. Based on these results, the stability lobe diagrams (SLD) for the milling module at different axis
-positions
are derived. The milling module shows a changing process stability with a maximum critical cutting depth of 7.2
mm at “best case” position and 2.3 mm at “worst case” position. With a material removal simulation, the SLDs can
be used to predict the process stability for unknown NC
-programs.
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