Research Article

Modeling of Self-Vibratory Drilling Head-Spindle System for Predictions of Bearings Lifespan

Figure 10

(a) Influence of feed rate on bearings lifespan, for a spindle speed of 12000 rpm, and (b) influence of the feed rate on the inverse of experimental axial cutting force magnitude.
606087.fig.0010a
(a)
606087.fig.0010b
(b)