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.
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+ T5 E. g9 F" w- A0 xRPM 1/8=
RPM 3/4=
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( T2 n& U! h# KThanks a lot.

27149

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