A 1/8 inch pilot hole followed by a 3/4 inch dia hole to be drilled in end of a 3.875 inch dia shaft.Calculate the RPM of each drill.0 [( c Y9 s) t2 T- k/ F7 b
Note: CS=80 . X0 w6 L- S8 x2 m$ {, q$ e% d: h# q( j8 f: U& @/ @+ {& x$ _- N
RPM 1/8= , ?" k6 j2 m# f: C9 X# GRPM 3/4= ! Y% h# n) r3 t1 |9 p 2 x5 Z u% t, u8 W8 A& qThanks a lot.