Machine Tool Chatter Suppression by Multi-Level Random Spindle Speed Variation

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 t...

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Veröffentlicht in:	Journal of manufacturing science and engineering 2002-05, Vol.124 (2), p.208-216
Hauptverfasser:	Yilmaz, Alpay, AL-Regib, Emad, Ni, Jun
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Computer science control theory systems Control theory. Systems Exact sciences and technology Fundamental areas of phenomenology (including applications) Mechanical engineering. Machine design Modelling and identification Physics Solid mechanics Structural and continuum mechanics Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...) Vibrations and mechanical waves
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Beschreibung
Zusammenfassung:	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.
ISSN:	1087-1357 1528-8935
DOI:	10.1115/1.1378794