A Counter-die applies reciprocating pressure at the bottom of the workpiece to keep up flatness. This restricted clamping and balanced stress protect against plastic deformation, causing smoother, thoroughly sheared edges. Just after punching, the tool opens, and an ejector pin pushes the finished element out. Drawing is usually even more https://felix3su01.wikifordummies.com/8317992/top_guidelines_of_iron_stamping