In Base pressing, or bottoming, the punch presses the workpiece from the bottom area of the V or U-shaped die, which defines the final bend angle. This method provides precise bends and lessens the inclination for springback within the workpiece as a consequence of the application of increased bending force. https://waylon6wy22.webbuzzfeed.com/32276488/the-greatest-guide-to-stamping-golf-irons