In Bottom pressing, or bottoming, the punch presses the workpiece from the bottom area of a V or U-formed die, which defines the final bend angle. This method provides precise bends and lowers the inclination for springback in the workpiece as a consequence of the application of bigger bending power. https://devin4qp89.blogars.com/30844472/5-simple-statements-about-iron-bridge-hot-stamping-explained