Two degree of freedom model of milling process is investigated. The governing equation of motion is decomposed into two parts: an ordinary differential equation describing the stable periodic motion of the tool and a delay-differential equation describing chatter. Stability chart is derived by using semi-discretization method for the delay-differential equation corresponding to the chatter motion. The stable periodic motion of the tool and the associated surface location error are obtained by a conventional solution technique of ordinary differential equations. Stability chart and surface location error are determined for milling process. It is shown that at spindle speeds, where high depths of cut are available through stable machining, the surface location error is large. The phase portrait of the tool is also analyzed for different spindle speeds. Theoretical predictions are qualitatively confirmed by experiments.
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ASME 2004 International Mechanical Engineering Congress and Exposition
November 13–19, 2004
Anaheim, California, USA
Conference Sponsors:
- Manufacturing Engineering Division and Materials Handling Engineering Division
ISBN:
0-7918-4713-6
PROCEEDINGS PAPER
Machine Tool Chatter and Surface Quality in Milling Processes Available to Purchase
Tama´s Insperger,
Tama´s Insperger
Budapest University of Technology and Economics
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Ga´bor Ste´pa´n,
Ga´bor Ste´pa´n
Budapest University of Technology and Economics
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Edvard Govekar
Edvard Govekar
University of Ljubljana
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Tama´s Insperger
Budapest University of Technology and Economics
Janez Gradisek
University of Ljubljana
Martin Kalveram
University of Dortmund
Ga´bor Ste´pa´n
Budapest University of Technology and Economics
Klaus Weinert
University of Dortmund
Edvard Govekar
University of Ljubljana
Paper No:
IMECE2004-59692, pp. 971-983; 13 pages
Published Online:
March 24, 2008
Citation
Insperger, T, Gradisek, J, Kalveram, M, Ste´pa´n, G, Weinert, K, & Govekar, E. "Machine Tool Chatter and Surface Quality in Milling Processes." Proceedings of the ASME 2004 International Mechanical Engineering Congress and Exposition. Manufacturing Engineering and Materials Handling Engineering. Anaheim, California, USA. November 13–19, 2004. pp. 971-983. ASME. https://doi.org/10.1115/IMECE2004-59692
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