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) \5 H8 z" }6 V
Note: CS=80 7 n! D. K6 R0 Q/ E1 V9 Q2 o \$ A. u* c; H P6 x
RPM 1/8=: F# {7 l/ H6 w( n; {, c
RPM 3/4= ! u/ f! g6 O2 o% Y% _" U5 ~ 6 a2 M+ r% _9 ]! BThanks a lot.
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发表于 2007-11-24 20:29
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