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.9 W: Y% a/ T: i. N5 y" H# K) K
Note: CS=809 O* L! g: e. n0 F! Z
- ]5 v' ]% g9 L+ w, i$ x
RPM 1/8=+ f" n& A% f( r
RPM 3/4= * @4 L/ R3 v- j% d& [. v% `4 Z! J2 `; Y- P+ Q* w2 I" o
Thanks a lot.
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发表于 2007-11-24 20:29
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