A 12-in.-long, 1-in.-thick plate is being cut on a band saw at 150 ft/min. The saw has 12 teeth per in. If the feed per tooth is 0.003 in., how long will it take to saw the plate along its length? tc, f = 0.02 in./tooth? 2Dd D W d. lc lc,

Assume that in the face-milling operation shown the workpiece dimensions are 4 in. by 10 in. The cutter is 6 in. in diameter, has eight teeth, and rotates at 300 rpm. The depth of cut is 0.125 in. and the feed is 0.005 in./tooth. Assume that the specific energy requirement for this material is and that only 75% of the cutter diameter is engaged during cutting. Calculate (a) the power required and (b) the material-removal rate.