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. * [ N7 G4 a1 w) H% G7 x' }0 ZNote: CS=807 I" F4 C* p2 C* _
6 l5 W! q4 U" X, `1 A" C
RPM 1/8= ( J: B) b% F# y7 o; R. @RPM 3/4= 7 z7 N. z1 n, A) Q1 C+ z / b: V, ?5 a) g( @$ ]0 g* p# Q" i9 XThanks a lot.
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发表于 2007-11-24 20:29
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