In base pressing, or bottoming, the punch presses the workpiece from the bottom floor of the V or U-shaped die, which defines the ultimate bend angle. This technique creates exact bends and cuts down the tendency for springback from the workpiece resulting from the application of larger bending power. This https://cruz9lp90.wikiworldstock.com/1128138/helping_the_others_realize_the_advantages_of_stamping_iron_plate