The influence of process damping on the milling system stability

LI Xin;LI Liang;HE Ning

Journal of Vibration and Shock ›› 2014, Vol. 33 ›› Issue (9) : 16-20.

PDF(1489 KB)
PDF(1489 KB)
Journal of Vibration and Shock ›› 2014, Vol. 33 ›› Issue (9) : 16-20.
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The influence of process damping on the milling system stability

  • LI Xin, LI Liang, HE Ning
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Abstract

The formation mechanism of process damping and the influence of process damping on milling system stability is analyzed. The process damping results from plough effect, which was caused by interference between flank face and machined surface. The paper calculate the indentation area and resistance caused by interference and build nonlinear model which consider process damping. The simulation results indicate that stability limitation at low speed can be improved significantly relative to linear model, the phenomenon also be verified by milling experiment.


Key words

milling / process damping / plough effect / nonlinear model

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LI Xin;LI Liang;HE Ning. The influence of process damping on the milling system stability[J]. Journal of Vibration and Shock, 2014, 33(9): 16-20
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