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.. z( B: {2 P5 s' R' h
Note: CS=805 o: T$ D* O4 a$ m5 J
( ^- y3 p$ w4 j3 D) J- M
RPM 1/8= ! J) B% Q4 |. L7 K5 y" m+ o* I7 w% u" z5 [RPM 3/4= & [3 Y) Y0 @9 x" v2 ]4 w% \- O# i8 r- b& X6 A
Thanks a lot.
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发表于 2007-11-24 20:29
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