b$)$ Write a concise part program to machine the component shown in Figure Q$4,$

given that the Feed rate $F=0\mathrm{.}4$ and the spindle speed $S=560re\frac{v}{m}in$ using a

tool T$0101$ and T$0202$ for roughing to $0\mathrm{.}2$ mm of final dimensions, while Feed

rate $F=0\mathrm{.}15$ and the spindle speed $S=800re\frac{v}{m}in$ using a tool T$0303$ for

finishing. Assuming that the blank is $125$ mm long $70mm$ diameter.

$10$

Figure Q$4$