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.
. C5 `0 p0 o% N4 W/ yNote: CS=80
& [5 {" L# x2 ]: c; _
/ D8 [1 Z' G6 w- d2 L" u4 p$ ]RPM 1/8=
, q5 |- C; z  c: ~/ v" pRPM 3/4=

& i& y; |" W- b1 g- v2 l* _- ~Thanks a lot.

27149

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