Chapter 45, Problem 46A

The solution of the following problems requires more than one formula and the rearrangement of formulas.

Use $C=\frac{3.1416DN}{12}$ or $\frac{\pi DN}{12}$ for customary units and
$C=\frac{3.1416DN}{1000}$ or $\frac{\pi DN}{1000}$ for metric units.

$N=\frac{12C}{3.1416D}$ or $\frac{12C}{\pi D}$ for customary units and
$N=\frac{1000C}{3.1416D}$ or $\frac{1000C}{\pi D}$ for metric units.

   $T=\frac{L}{FN}$

A combination drilling and countersinking operation on bronze round stock is performed on an automatic screw machine. The length of cut per piece is $1\frac{3}{4}$ inches.The total cutting time for 2300 pieces is $6\frac{1}{2}$ hours running at 1600 rpm. What is the tool feed in inches per revolution? Round the answer to 3 decimal places.