Evaluating The Structural Dynamics Of A Vertical
Milling Machine
Author(s)
M.H.N. Widiyarto, D.G. Ford & C. Pislaru
Abstract
Many CNC machine tools are used in general-purpose machining environments,
resulting in a wide variety of machining conditions being present at the cutting
tool. The requirement for guide-way to bearing clearances and limited mass of
the structural elements results in a limited stiffness between the cutter and
workpiece. This, coupled with the inertial effect of the structural element masses
and drive-system, can lead to complex vibration modes that are affected by the
axis positions and machine tool configuration. Therefore, the study of the
dynamic behaviour of the machme is important in determining the response of
the machine's structure to an external force. In this paper, the results and the
setup of an experimental modal analysis performed on a vertical milling
Keywords
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