A model-based methodology, designed to operate under varying cutting conditions, for on-line estimation of flank-wear rate based on cutting force measurements is introduced. The key idea is to employ a model of the relationship between force and flank wear, together with on-line parameter estimation methods. This permits separation of the direct effect of changing cutting conditions on force from the indirect effect where changing cutting conditions affect the wear which, in turn, affects the force. Simulation results confirm the effectiveness of this strategy for turning with varying speed, feed, or depth of cut. Experiments, conducted for turning operations with a varying depth of cut, show good agreement between estimated wear values and the actual values of tool wear measured intermittently during the cut.
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June 1991
Research Papers
Flank Wear Estimation Under Varying Cutting Conditions
Yoram Koren,
Yoram Koren
Department of Mechanical Engineering and Applied Mechanics, The University of Michigan, Ann Arbor, MI 48109-2125
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Tsu-Ren Ko,
Tsu-Ren Ko
Department of Mechanical Engineering and Applied Mechanics, The University of Michigan, Ann Arbor, MI 48109-2125
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A. Galip Ulsoy,
A. Galip Ulsoy
Department of Mechanical Engineering and Applied Mechanics, The University of Michigan, Ann Arbor, MI 48109-2125
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Kourosh Danai
Kourosh Danai
Department of Mechanical Engineering, The University of Massachusetts, Amherst, MA
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Yoram Koren
Department of Mechanical Engineering and Applied Mechanics, The University of Michigan, Ann Arbor, MI 48109-2125
Tsu-Ren Ko
Department of Mechanical Engineering and Applied Mechanics, The University of Michigan, Ann Arbor, MI 48109-2125
A. Galip Ulsoy
Department of Mechanical Engineering and Applied Mechanics, The University of Michigan, Ann Arbor, MI 48109-2125
Kourosh Danai
Department of Mechanical Engineering, The University of Massachusetts, Amherst, MA
J. Dyn. Sys., Meas., Control. Jun 1991, 113(2): 300-307 (8 pages)
Published Online: June 1, 1991
Article history
Received:
November 1, 1989
Revised:
September 1, 1990
Online:
March 17, 2008
Citation
Koren, Y., Ko, T., Ulsoy, A. G., and Danai, K. (June 1, 1991). "Flank Wear Estimation Under Varying Cutting Conditions." ASME. J. Dyn. Sys., Meas., Control. June 1991; 113(2): 300–307. https://doi.org/10.1115/1.2896379
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