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.6 H+ Q/ L+ e5 l Z1 s+ Q
Note: CS=80 ) \( ^3 Q4 W3 b: s2 b0 ~ ; K$ |" ]4 C+ oRPM 1/8=3 |" _0 D" F7 m: b3 b
RPM 3/4=8 g5 U0 K# P- s- x) d8 T; r