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Chatter Stability of General Turning Operations With Process Damping
Manufacturing Automation Laboratory, University of British Columbia, Vancouver, BC, Canada.ORCID iD: 0000-0001-9331-7354
Manufacturing Automation Laboratory, University of British Columbia, Vancouver, BC, Canada.
2009 (English)In: Journal of manufacturing science and engineering, ISSN 1087-1357, E-ISSN 1528-8935, Vol. 131, no 4, article id 041005Article in journal (Refereed) Published
Abstract [en]

The accurate prediction of chatter stability in general turning operations requires the inclusion of tool geometry and cutting conditions. This paper presents regenerative chip and regenerative chip area/cutting edge contact length based dynamic cutting force models, which consider cutting conditions and turning tool geometry. The cutting process is modeled as it takes place along the equivalent chord length between the two end points of the cutting edge. The regenerative chip model is simple, and the stability can be solved directly. However, the three-dimensional model considers the effect of tool vibrations at the present and previous spindle revolutions on the chip area, chord length, and force directions and is solved using Nyquist stability criterion. The penetration of worn tool flank into the finish surface is considered as a source of process damping. The effects of the nose radius, approach angle of the tool, and feedrate are investigated. The proposed stability model is compared favorably against the experimental results.

Place, publisher, year, edition, pages
The American Society of Mechanical Engineers , 2009. Vol. 131, no 4, article id 041005
Keywords [en]
cutting, cutting tools, damping, machine tool spindles, machining chatter, mechanical stability, turning (machining), vibrations, chatter, turning, stability
National Category
Manufacturing, Surface and Joining Technology
Identifiers
URN: urn:nbn:se:his:diva-22390DOI: 10.1115/1.3159047ISI: 000268089000005Scopus ID: 2-s2.0-77955289513OAI: oai:DiVA.org:his-22390DiVA, id: diva2:1749442
Available from: 2023-04-06 Created: 2023-04-06 Last updated: 2023-04-06Bibliographically approved

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Eynian, Mahdi

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