Control Method for Elimination of Self–Excited Oscillations during Turning

Tomáš Březina; Jan Vetiška; Petr Blecha; Pavel Houška

doi:10.4028/www.scientific.net/SSP.164.171

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Control Method for Elimination of Self–Excited Oscillations during Turning

Abstract:

The oscillations occurring between the tool and the machined area during the turning process lead to degradation of the machined surface, cause poor geometric accuracy, accelerate tool wear and generate noise. This paper deals with the possibility of elimination of these self-excited oscillations by changing the parameters of the turning process. On the basis of the regenerative principle of self-excited oscillation generation, a computer model of the machining process was developed. Furthermore, a PID controller was proposed to control the compensation of the vibrations and its suitability for elimination of the self-excited oscillations was verified experimentally.

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Periodical:

Solid State Phenomena (Volume 164)

Pages:

171-176

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.164.171

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Online since:

June 2010

Authors:

Tomáš Březina, Jan Vetiška, Petr Blecha, Pavel Houška

Keywords:

Regenerative Principle, Self-Excited Oscillations, Vibration Compensation

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References

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