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The Effect of Spindle Speed Variation on Chatter Suppression in Rotating-Tool Machining

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Abstract:

Spindle speed variation (SSV) is one of a number of promising strategies to suppress chatter. Most previous research on SSV stability analysis for nonintermittent machining processes has focused on stationary-bar boring or turning. However, nonintermittent rotating-tool machining is also a common process. This paper investigates the effect of SSV in nonintermittent rotating-tool machining, using rotating-bar boring as an example. This paper takes advantage of the rotating-frame approach and the resulting constant delay in the angle domain to investigate the SSV effect on system stability for rotating-bar boring. The results show that the SSV effect on rotating-bar boring flattens the stability lobes and lifts the tangential stability limits.

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Periodical:

Materials Science Forum (Volumes 505-507)

Pages:

859-864

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.505-507.859

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Online since:

January 2006

Authors:

Chen Jung Li, A.G. Ulsoy, W.J. Endres

Keywords:

Chatter Suppression, Rotating-Frame Approach, Rotating-Tool Machining, Spindle Speed Variation

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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References

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