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. & m1 ]* r4 V( Q6 S3 k; G9 j& ]Note: CS=80) a, p- n9 P: R
- i+ Q' {5 c3 ~" bRPM 1/8=0 D J# _* @& a- S8 s
RPM 3/4= 9 g1 ~- n7 c1 v2 @: Q" E2 w5 O5 E$ z2 }) w
Thanks a lot.
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发表于 2007-11-24 20:29
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