A general approach to simulating workpiece vibrations during five-axis milling of turbine blades

Biermann, D.^{1, a}; Kersting, P.^{1, b}; Surmann, T.^{1, c}

1)

Institute of Machining Technology, TU Dortmund University, Baroper Str. 301, D-44227 Dortmund, Germany

a) biermann@isf.de; b) petra.kersting@isf.de; c) surmann@isf.de

Abstract

Workpiece vibrations have a significant influence on the machining process and on the quality of the resulting workpiece surface, particularly when milling thin-walled components. In this paper a simulation system, consisting of an FE model of the workpiece coupled with a geometric milling simulation for computing regenerative workpiece vibrations during the five-axis milling process, is presented. Additionally, a modeling method for visualizing the resulting surface is described. In order to validate the simulation model, turbine blades were machined and the experimental results were compared to the simulation results.

Keywords

Milling, Simulation, Chatter

Publication

CIRP Annals - Manufacturing Technology, 59 (2010) 1, pp. 125-128, doi: 10.1016/j.cirp.2010.03.057