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. H8 v% {* \- J/ [7 b
Note: CS=806 R0 L; g+ `3 D( ^* K5 \3 F
# U/ b/ U2 p5 Q! d1 `. m, _) M. ^( b
RPM 1/8= , z! X0 G, ~7 R- U) q$ o: ERPM 3/4=+ v' _) g% F( O( w/ \) v
# x' H" V$ K- k) \/ F! ?" V
Thanks a lot.
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发表于 2007-11-24 20:29
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