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.+ T O1 [7 Z* R, \
Note: CS=80) K! H2 \- g) u
8 O0 N1 |0 ~4 N% w7 x: r+ mRPM 1/8=1 W2 P' ~. n7 `$ |5 F# v, t
RPM 3/4= @+ @$ }8 Z: F% _8 O; w4 Z
# _8 ~& r+ y9 @9 C5 r
Thanks a lot.
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发表于 2007-11-24 20:29
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