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.. i2 G1 k! k! O* r& W' ^
Note: CS=80( ?7 }5 |' `2 [6 X' d; }! d
6 \# r% i+ J* [RPM 1/8=) l5 n! D: f% ]8 x; ~
RPM 3/4=! H. |& P a1 Y0 h$ a
+ D/ X I# m$ |9 B3 \
Thanks a lot.
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发表于 2007-11-24 20:29
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