A cup is to be drawn in a deep drawing operation. The height of the cup is 75 mm and its inside diameter = 100 mm. The sheetmetal thickness = 2 mm. If the blank diameter = 225 mm, determine: (a) drawing ratio, (b) reduction, and (c) thickness-to-diameter ratio. (d) Does the operation seem feasible? Problem 2 A deep drawing operation is perfomed in which the inside of the cylindrical cup has a diameter = 4.0 inches and a height 2.5 inches. The stock thickness 1/8 inch, and the starting blank diameter = 7.5 inches. Punch and die radii = 5/32 inch. The metal has a tensile strength 60,000 bin and a yield strength 30,000 lb'in'. Detemine: (a) drawing ratio, (b) reduction, (c) drawing force, and (d) blankholder force. %3D