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.7 V" C& a# |& k2 i/ L: b2 p
Note: CS=806 A9 M/ g1 ~( m
$ L8 x" O- K1 m' e
RPM 1/8= 9 Y' K) ~5 I j7 K6 \+ uRPM 3/4=! k, g# u/ O) {$ c
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发表于 2007-11-24 20:29
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