This paper presents a new method for varying the spindle speed to suppress chatter in machining. The spindle speed is varied in a pseudo-random fashion within the bandwidth of the spindle system. Both implementation issues and spindle system responses to such signals are investigated. A new method to analyze the stability of machining systems with varying spindle speed is also introduced. The effectiveness and advantages of the random spindle speed variation in chatter suppression is verified using numerical simulations and experiments.
Machine Tool Chatter Suppression by Multi-Level Random Spindle Speed Variation
Contributed by the Manufacturing Engineering Division for publication in the JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING. Manuscript received Feb. 1999; revised Sept. 2000. Associate Editor: Y. Altiutas.
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Yilmaz, A., AL-Regib, E., and Ni, J. (April 29, 2002). "Machine Tool Chatter Suppression by Multi-Level Random Spindle Speed Variation ." ASME. J. Manuf. Sci. Eng. May 2002; 124(2): 208–216. https://doi.org/10.1115/1.1378794
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