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. $ O) }# [% {! `2 l. W. bNote: CS=80' Y3 S& Y2 R- S5 u
' X! e1 |2 N* o& B& @4 Y1 s7 }
RPM 1/8=# p+ n0 ^* O+ N& `! ?& j+ l c
RPM 3/4= 1 b( j# p: c0 H, F9 B: ~5 ?4 c2 f7 `+ I$ k) v9 }; K
Thanks a lot.
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发表于 2007-11-24 20:29
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