CNC题目,又再请教。

27149

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.
2 U2 ]- q) A2 `3 h4 l7 I! KNote: CS=80
, z/ ^/ V! D7 u: N# s- ?
! z! y, _( s- M: hRPM 1/8=
: q# |+ n( v6 V6 @RPM 3/4=
- F: Z8 J  C" s9 q* d8 ?
Thanks a lot.

27149

up
up