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.
! c/ E5 H( f5 v/ o( q7 H/ c8 MNote: CS=80

+ P8 x7 \- o' I, O$ f& JRPM 1/8=
9 A/ ~1 n0 y. iRPM 3/4=
0 p, @* O, I. H# S' e8 v
+ c8 B6 K9 R+ q. x6 Y" m5 z4 Z( mThanks a lot.

27149

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