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. ) I. A. }5 u8 J. ONote: CS=80 2 @9 F7 ?9 m1 h# e" t- G+ C& d' I G) l/ N! V
RPM 1/8=1 X- |! n7 R B4 z* y4 x
RPM 3/4=! h4 `: E. Y' H! T
! [) u9 l* }+ I$ B5 H( w
Thanks a lot.
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发表于 2007-11-24 20:29
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