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. $ a5 C2 R6 r* V/ U/ e) V. I6 _Note: CS=80 ( `) m/ v" N" ~/ i# |+ D1 }% D( ~% T
RPM 1/8=9 u& @; D; B' H1 |
RPM 3/4=' L- L! }- r# A% D7 c1 d1 r