A batch of 500 jobs of diameter 50 mm and length 100 mm is to be turned at 200 rev/min and feed 0.2 mm/rev.
Applying Taylor’s equation VT0.25 = 160 the tool life in minutes is
(a) 20.36 (b) 22.43
(c) 674 (d) 28.20
The number of components per tool life
(a) 138 (b) 270
(c) 62 (d) 61