Abstract
In this study, it is shown that 2 D.O.F.chattering model were considered and this model can explain the mechanism of chattering. In this model, the effects of friction forces between cutting edge and workpiece or cutting tips were considered. Friction forces are varied by not only cutting force but also change of relative velocity between cutting edge and workpiece or cutting tips. In this analysis, also the effects of nose R of a cutting edge and multiple regenerative effect were considered. From the results of analysis, it seems that the friction force of shear force direction is more effective to chattering than the friction force of cutting force direction. And it is obvious that 2 D.O.F.chattering model with friction forces gives coupling to the cutting system. In this paper, it is explained that how 2 D.O.F.chattering model was derived and the necessity of friction force considering relative velocity between cutting edge and workpiece is proved.
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