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. 4 w$ n) Q3 t! ^* W! }/ GNote: CS=80 / o8 \7 ~0 q' `$ h. j! m+ A6 l+ s0 D1 m1 ^2 P% m" v7 [- R3 W
RPM 1/8= # F0 j* V$ r: w8 A+ c* N5 aRPM 3/4=/ v; W6 p( v( X) D
- m8 Z3 \' p2 `' s7 o: q( ~ w
Thanks a lot.
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发表于 2007-11-24 20:29
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