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Stability Analysis of Interrupted Cutting With Finite Time in the Cut

Published

Author(s)

P V. Bayly, J E. Halley, Matthew A. Davies, Jon R. Pratt

Abstract

The stability of interrupted cutting is examined for the case in which the tool is in contact with the work piece for a small, but finite, fraction of the tooth-passing period. A model of a single degree-of-freedom tool excited by intermittent, regenerative cutting forces is analyzed. The equations are transformed into a discrete model by use of the exact analytical solution when the tool is free of the work piece, and by an approximate analytical solution (the method of weighted residuals)when the tool is in the cut. Stable combinations of spindle speed and axial depth of cut are found. These results confirm and refine predictions of additional stability regions made by Davies et al. (1999a) based on the approximation of infinitesimal time in the cut.
Volume
11
Conference Dates
November 11-16, 2001
Conference Location
New York, NY, USA
Conference Title
ASME International Mechanical Engineering Congress & Exposition

Keywords

dynamics, interrupted cutting, milling, stability

Citation

Bayly, P. , Halley, J. , Davies, M. and Pratt, J. (2001), Stability Analysis of Interrupted Cutting With Finite Time in the Cut, ASME International Mechanical Engineering Congress & Exposition, New York, NY, USA (Accessed June 23, 2024)

Issues

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Created December 31, 2000, Updated October 12, 2021