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.5 s9 N4 y) e" l9 `! k! n: Q' G
Note: CS=80 5 `. R' @3 O$ _/ X& F7 @4 x) Y+ P' i% c" w
RPM 1/8=) X7 D7 L! i; `
RPM 3/4= 4 M( A7 d, W$ |8 b, \ ) I! e+ x) Q8 P/ T& X. C% LThanks a lot.
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发表于 2007-11-24 20:29
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