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Spindle speed variation for regenerative chatter suppression in turning process with tool wear effect

Haji Hajikolaei, K ; Sharif University of Technology

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  1. Type of Document: Article
  2. DOI: 10.1115/ESDA2010-24109
  3. Abstract:
  4. Chatter suppression in machining processes results in more material removal rate, high precision and surface quality. In this paper, a single degree of freedom model of orthogonal turning process is used to set up the delay differential equation of motion with considering the tool wear effect as a contact force between the workpiece and tool flank surfaces. Sinusoidal spindle speed variations with different frequencies around the mean speed are modulated to disturb the regenerative mechanism. The optimal amplitudes of the speed modulations are found based on a genetic algorithm such that the input energy to the turning process is minimized. Results of the stability analysis and the controller effect for two distinct cases of one and three sinusoidal speed are presented and compared
  5. Keywords:
  6. Chatter suppression ; Contact forces ; Delay differential equations ; Different frequency ; Flank surfaces ; High precision ; Input energy ; Machining process ; Material removal rate ; Orthogonal turning ; Regenerative chatters ; Single degree of freedoms ; Speed modulation ; Spindle speed ; Stability analysis ; Surface qualities ; Tool-wear effect ; Turning process ; Work pieces ; Equations of motion ; Precision engineering ; Speed control ; Stripping (removal) ; Systems analysis ; Turning ; Wear of materials ; Speed
  7. Source: ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis, ESDA2010, 12 July 2010 through 14 July 2010 ; Volume 4 , 2010 , Pages 619-626 ; 9780791849187 (ISBN)
  8. URL: http://proceedings.asmedigitalcollection.asme.org/proceeding.aspx?articleid=1618343