Question

t) A lathe performs a tuning operation on a workpiece with diameter o in sh in Shear of the work 40,000 Ib/in2 and tensile strength 60,000 Ib/in. Rake angle o ng speed 700 t/min, feed o.015 inv/rev, and depth 0090 in. The chip thickew peent s the tool 6 he ter t 0.025 in. Determine (a) the horsepower required in aterial under these conditions、( 40 the operation, (b) unit horsepower for this As

Answer 1