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- C" g* b5 Y7 I, qNote: CS=80* g1 | F- n6 L
% E, |! u' M% ~+ o6 C V( _
RPM 1/8=) e5 ]: E: n9 c6 V2 U/ e; `
RPM 3/4=; x" ?' Y. k* D
9 O/ m( @1 n- i0 Y" N* s; n
Thanks a lot.
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发表于 2007-11-24 20:29
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