For a turning process, the horsepower required was 24 hp. The metal removal rate was 550 in.3 /min. Estimate the specific horsepower and compare to published values for 1020 steel at 200 BHN.
Table 7-A has machining data for 1020 steel, as-received, in air with a K3H carbide tool, orthogonally (tube cutting on lathe) with tube OD ¼ 2.875. The cutting speed was 530 fpm. The tube wall thickness was 0.200 in. The back rake angle was zero for all cuts. Only the feed rate was changed. Fill in the blanks.
Orthogonal Plate Machining Experiment at Auburn University
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