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. % g# M& S0 V3 t& TNote: CS=80: p( d! P, u" E2 [. N* X a
" G4 v5 @8 c- d
RPM 1/8= . u$ L: y! a$ \6 `RPM 3/4= ' |3 u( C# F0 l4 H / x( e4 q! o H8 B1 U: Q" V" f" oThanks a lot.
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发表于 2007-11-24 20:29
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