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. . [% H7 j, a" Z4 B4 _# iNote: CS=80 ; v( A0 Y4 v1 l' X$ t " O ]; {! X* S. }RPM 1/8= # A+ ~; G7 D8 {5 ~1 _RPM 3/4=% j1 J0 A w- L" j
9 w9 w+ ^) `" ^* y% v- Q
Thanks a lot.
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发表于 2007-11-24 20:29
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