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 j/ T% {" j7 q
Note: CS=80 5 K% \# ?$ i1 ^: {( q9 \: a$ Z% n5 {* H. u+ Y i ~( ~' N1 a
RPM 1/8=9 D9 ^: f( }0 ^' E& V" T6 S
RPM 3/4= + T' a2 t, {+ [4 P: Q6 x/ d- i n) C5 w1 B* ]7 ?$ N9 E
Thanks a lot.