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.- k. `. _% O6 Z
Note: CS=806 Z& p* }( F: @/ v( l
5 v, |- P7 h7 ?, b
RPM 1/8=7 x" p$ h* q, g
RPM 3/4=2 \, ~' G5 R7 K. g% l, X" {/ D# d
6 C7 O; D' |( h0 H* r
Thanks a lot.
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发表于 2007-11-24 20:29
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