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. 3 T& m U6 {# Q$ V+ a' CNote: CS=80( c/ F! w" J5 |2 O3 \2 \& ~- S/ X
" g5 D3 {0 S2 i- z; l5 B/ e
RPM 1/8= / h% [+ ^4 E6 s+ \7 VRPM 3/4= K& p& a7 _" x- d) t, w, h& k7 F0 \
Thanks a lot.
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发表于 2007-11-24 20:29
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