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; \$ SNote: CS=80 a4 d4 Z5 y: Y' R , h8 M/ Y, H2 u! q( KRPM 1/8= E1 A6 _( C9 r, l* A4 h; S2 E
RPM 3/4=7 Z4 n- H# G4 l6 T* j# L
; b. l3 W. r/ K7 w0 w8 K
Thanks a lot.
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发表于 2007-11-24 20:29
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