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.: [7 ~) N; W. }! p, J& h8 O" A; L
Note: CS=80 $ K8 N1 l, W# G6 A$ l8 F- O( a4 G- ]8 a. l
RPM 1/8=. E) K( U9 C6 X# J: ~
RPM 3/4=$ j' \- C+ X( s8 [4 B M+ P
; F F! ^, l2 t7 E/ F
Thanks a lot.
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发表于 2007-11-24 20:29
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