Q. A circular hole of 25 mm diameter and depth of 20 mm is machined by EDM process. The material removal rate (in mm3/min) is expressed as
4 ´104 IT -1.23
where I = 300 A and the melting point of the material, T = 1600°C . The time (in minutes) for machining this hole is
Ans: 7.00 – 7.30
Sol:
