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.0 S( t K: U3 d4 [
Note: CS=80" O- W0 t* ?; E3 V7 h! w* n
5 Y/ T! e! r/ v
RPM 1/8= 1 \( O9 @/ l1 f6 s, _) gRPM 3/4= 0 _# e2 t/ e r3 w * k N' B F% [5 m" Z: R: WThanks a lot.
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发表于 2007-11-24 20:29
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