calculate the time required to turn a stepped shaft to the dimensions shown in below figure. From MS stock of 4cm diameter. Neglect Facing and set up Time. The depth of cut should not exceed 0.25cm. Assume the cutting speed to be 20m/min and Feed to be 0.3 mm/revolution For each cut.​

calculate the time required to turn a stepped shaft to the dimensions shown in below figure From MS stock of 4cm diameter Neglect Facing and set up Time The dep class=