Programmable optimal design of sinusoidal spindle speed variation for regenerative chatter suppression

Shuntaro Yamato, Takamichi Ito, Hirohiko Matsuzaki, Yasuhiro Kakinuma

Research output: Contribution to journalConference article

1 Citation (Scopus)

Abstract

Continuous spindle speed variation, especially under sinusoidal speed law, is a well-known effective and flexible technique to suppress chatter vibration by disrupting regenerative effect in high-lobe-number zone. In most researches, its optimal design parameters (i.e. amplitude and frequency of spindle speed variation) are selected to maximize cutting depth by using complex stability simulations, which take much time and require machine tool dynamics. In this paper, novel simple criteria, only according to chatter frequency and nominal spindle speed, is proposed to select optimal amplitude and frequency of sinusoidal spindle speed variation (S3V). Under assumption that the variation amplitude and frequency is low in practice, modulation index for S3V can be introduced by analogy between S3V and frequency modulation technique in radio engineering. Then, the proposed formula to select optimal parameters is introduced based on kinematic process energy analysis with modulation index as an argument of Bessel function. Although the proposed method does not give information about stability limit, it has potential to contribute to intelligent active chatter suppression by automatic selection of S3V parameters combined with chatter monitoring system. Some boring tests were conducted to verify the proposed formula.

Original languageEnglish
Pages (from-to)152-160
Number of pages9
JournalProcedia Manufacturing
Volume18
DOIs
Publication statusPublished - 2018 Jan 1
Event18th Machining Innovations Conference for Aerospace Industry, MIC 2018 - Garbsen, Germany
Duration: 2018 Dec 282018 Dec 29

Fingerprint

Modulation
Bessel functions
Boring
Frequency modulation
Machine tools
Kinematics
Optimal design
Monitoring

Keywords

  • Bessel function
  • Chatter suppression
  • Optimal design
  • Spindle speed variation

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering
  • Artificial Intelligence

Cite this

Programmable optimal design of sinusoidal spindle speed variation for regenerative chatter suppression. / Yamato, Shuntaro; Ito, Takamichi; Matsuzaki, Hirohiko; Kakinuma, Yasuhiro.

In: Procedia Manufacturing, Vol. 18, 01.01.2018, p. 152-160.

Research output: Contribution to journalConference article

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