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.7 p" c: F5 F) ~& r* _$ ]
Note: CS=805 H$ A8 u0 ?: K3 H
) Z" z' z2 O8 B V5 o2 f$ xRPM 1/8=; e* e# ~# P2 Z& O0 {: @. O6 F# y
RPM 3/4= " p% ]" A; R& M0 J% }5 U$ R; A* @0 q, c# D
Thanks a lot.
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发表于 2007-11-24 20:29
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