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. * ^( ^! T$ Q* c; e; YNote: CS=80 # H5 s$ w" F; v1 e; b ) P u d" {( `RPM 1/8= & T. v# K* ?$ R3 { u) tRPM 3/4= - i# M' S7 i! \, m- Q 4 H0 Q" f. Q0 F; _3 N# I& tThanks a lot.
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发表于 2007-11-24 20:29
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