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The effect of teeth pitch diversity of face milling cutter on the dynamic stability of a non-rigid manufacturing system

Experimental studies of the effect of adjacent teeth pitch diversity on self-oscillation excitations in a cutting manu-facturing system having a reduced rigidity in normal line towards treated surface, are presented. The possibility for effective suppression of self-oscillations during face milling by controlling teeth pitch of the cutter is given. A stepwise teeth diversity making possible to suppress self-oscillations by 50 % has been found.