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. 8 V1 F0 i& S0 o; Z9 J% k0 ENote: CS=802 [) n U. v M3 Q: v
: Q0 P% t4 I2 @, i7 I/ T6 N' c, eRPM 1/8= t$ t3 G. Q' JRPM 3/4= 0 k- J/ B+ v8 c2 T& j! P4 a* B$ S. v$ r; E
Thanks a lot.
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发表于 2007-11-24 20:29
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