All units in mm

Given:

$cs=2\frac{m}{m}in=20000m\frac{m}{m}in$

depth $of$ cut $(roughing)=1\mathrm{.}5mm$

depth $of$ cut $(finishing)=0\mathrm{.}5mm$

one pass for facing

$f_r=0\mathrm{.}165m$m$/$rev

$f_f=0\mathrm{.}125mm/$rev

Req'd:

MT $($Minimum$)$