engineering recuitment GATE ME 2023-24 Test Series Production Engineering (Manufacturing) Metal Forming Sheet Metal Operation
A 60 mm diameter hole to be punched on a sheet of 3 mm thickness. Shear strength of sheet metal is 580 N/mm2 for a 45% reduction in punching load. Calculate the shear angle in radian, given that 33 % penetration. (Assume diameter of hole = diameter punch)
Enter numerical value using the virtual keypad. Round off where necessary.