A Counter-die applies reciprocating force at The underside from the workpiece to keep up flatness. This restricted clamping and balanced strain prevent plastic deformation, resulting in smoother, entirely sheared edges. After punching, the Device opens, and an ejector pin pushes the finished portion out. Different varieties of metal stamping machines https://johnathan2rt45.wikikarts.com/1120361/a_review_of_iron_city_stamping_iron_city_tn