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.. u) z u3 u8 j( _
Note: CS=80) A, P4 j( w4 q( ~9 c
1 t. u5 s5 z0 [: o
RPM 1/8=" t, h, v1 F# A( J
RPM 3/4=$ |& v4 |. a2 U" J* P# Z
) O$ W1 r* ^0 ~
Thanks a lot.
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发表于 2007-11-24 20:29
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