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.9 k" W) f+ \8 D+ ^4 t8 o. }
Note: CS=806 `0 n6 Y- y8 V* D
" N" a) c& o! Q, C+ eRPM 1/8= / ^- j4 z) S) W- ?RPM 3/4= . X5 k. d. L: n* S, C! f) R( x8 W F7 m6 N& X. A9 q+ [
Thanks a lot.
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发表于 2007-11-24 20:29
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