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 a6 q ], m7 {; F! E: T$ g
Note: CS=808 ]: ]4 O1 g& W1 {* n
; U' _2 e5 D9 l* n O- q
RPM 1/8= . H) N2 {0 ` {+ vRPM 3/4= 7 e+ B8 _7 ~# q# a2 f* a9 J4 N5 i* O) U: d3 f
Thanks a lot.
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发表于 2007-11-24 20:29
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