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.% B. R" |+ j! Z# x& i: _
Note: CS=80 3 j2 m3 }: i. c! Q4 ]& H0 u" g' p% j: K" w) F
RPM 1/8=- n- S5 w# z* _9 o, s
RPM 3/4=0 A6 |- J8 g; L: t" m e6 \
7 }" G% q( B3 U; R) h
Thanks a lot.
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发表于 2007-11-24 20:29
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