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Cited by 98 publications
(20 citation statements)
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“…A velocity term (Àẋ=V) introduced by Das and Tobias increases the damping in the system (c + K t ah 0 /V instead of c) at low cutting speeds [2], here, K t is the static cutting force coefficient in the cutting speed direction and V is the cutting speed. While Tobias's modified dynamic cutting process model leads to increased stability at the low speeds, it considers only the direction of change in the velocity term and does not consider flank contact.…”
Section: Modellingmentioning
confidence: 98%
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“…A velocity term (Àẋ=V) introduced by Das and Tobias increases the damping in the system (c + K t ah 0 /V instead of c) at low cutting speeds [2], here, K t is the static cutting force coefficient in the cutting speed direction and V is the cutting speed. While Tobias's modified dynamic cutting process model leads to increased stability at the low speeds, it considers only the direction of change in the velocity term and does not consider flank contact.…”
Section: Modellingmentioning
confidence: 98%
“…While the effects of instantaneous, regenerative chip thickness on the dynamic force have been considered in linear chatter stability models of Das and Tobias [2] and Tlusty [3], the influence of cutting edge and flank contact with the wavy surface finish has not been modeled to achieve stability charts with a satisfactory accuracy [1]. The current state of knowledge and unsolved fundamental problems in chatter stability of metal cutting and grinding are recently summarized by Altintas and Weck in a CIRP keynote paper [1], where process damping is considered to be the most challenging problem which is yet to be solved.…”
Section: Introductionmentioning
confidence: 99%
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“…Early work on the mechanics of chip formation used a complex coefficient to relate cutting force to instantaneous chip thickness [13,14]. The real part of this coefficient accounted for the forces in phase with the instantaneous chip thickness, whereas the imaginary part accounted for the out-of-phase forces.…”
Section: Literature Reviewmentioning
confidence: 99%
“…Thus, the change in the cutting speed that would be caused by the friction between tool flank and uneven workpiece surface will impart damping effect on the machining process [5][6][7]. This may have practical interest especially when hard to cut materials are intended to be machined at low cutting speeds since machining at high cutting speeds causes severe tool wear.…”
Section: Introductionmentioning
confidence: 99%