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. / ~% x' l" u% b3 O+ eNote: CS=80 8 {; m9 Z, \9 ^, w) k 7 B1 |$ k8 ]8 Z* ~ d; oRPM 1/8=4 z2 I, Y3 h* n6 W/ u1 ^
RPM 3/4=" U+ L/ B: l4 D: p0 P$ ?
- |" x z" z( ]* `9 Q+ c0 {
Thanks a lot.
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发表于 2007-11-24 20:29
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