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. 3 S! A! }6 s) |) V) V/ iNote: CS=80 % j, v) S. l+ D Y( I+ ]& F0 M, {
RPM 1/8= : [( u/ W0 o7 i" h n; ]RPM 3/4= $ @/ P7 t1 a7 g& c& X6 r * \$ q6 W6 E% A$ i+ N: N+ H6 aThanks a lot.