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METALWORKING EQUIPMENT AND TOOLS
and with a plate that caused the greatest deformations of the surface layer. The inset in the
corner of Fig. 1 shows the change in the diagnostic parameter Kf for five inserts with different
wear of the cutting edge, the number of which increased with an increase in the effect on the
intensity of deformations of the surface layer.
a
b
Fig. 4. Spectra of the VA signal during turning of steel 40X with normal cutting (a) and with intense self-oscillations (b).
24 Stanochniy park
