In Bottom urgent, or bottoming, the punch presses the workpiece against The underside surface of the V or U-formed die, which defines the final bend angle. This technique makes specific bends and decreases the tendency for springback in the workpiece as a consequence of the appliance of larger bending force. https://johnny2no89.wikihearsay.com/3076048/examine_this_report_on_stamping_golf_irons