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.
* N+ \( C& L) x9 X" zNote: CS=80
* M: N0 q: \! N7 t% I
RPM 1/8=
1 E9 h% O& B5 j. Q- W. |" _* wRPM 3/4=
0 V& Y' n& `! e$ @+ V- P. t* W
Thanks a lot.

27149

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7 V$ {3 Y+ }2 Y+ c6 T& l0 Lup