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. + T% {$ M% X6 H7 z0 nNote: CS=80 2 ^0 x+ W+ _' h# }- `+ R $ W# f& r5 o8 t- o* MRPM 1/8=: H Q- r$ `, p9 V$ z
RPM 3/4= 3 N! c5 k0 f* K8 b. g* l+ r/ M7 q9 I4 R: ~ ]
Thanks a lot.
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发表于 2007-11-24 20:29
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