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. " {6 Q( |6 m7 z9 b/ I( w' @, {Note: CS=805 W4 v3 x9 o/ ?& M- ]( h/ {5 ]
8 Z7 T& Z; J! i5 H3 D
RPM 1/8=# I5 \. \/ h" j/ H4 y% j
RPM 3/4= 6 o6 y% s1 `7 a9 a9 a2 W9 O+ t/ Q0 F" u4 \; O
Thanks a lot.
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发表于 2007-11-24 20:29
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