The assembly of the upper and lower The upper and lower plates or castings that constitute a die set (punch and die holder). Also a plate or block upon which a die holder is mounted, functioning primarily as a base for the complete die assembly. This plate or block is bolted or clamped to the bolster plate or the face of the press ram.... More (punch and The machined recess in a die that gives the forging its shape. holders), usually including the The parts of a drop hammer or press that guide the up-and-down motion of the ram in a true vertical direction. pins, guide pin bushings, and heel blocks. This assembly takes many forms, shapes, and sizes and is frequently purchased as a commercially available unit. Also, two (or, for a A three-element forging press, with two gripper dies and a forming tool, for flanging or forming relatively deep recesses., three) machined The metal blocks into which forging impressions are machined and from which forgings are produced. used together during the production of a The machined recess in a die that gives the forging its shape. The process of working metal to a desired shape by impact or pressure in hammers, forging machines (upsetters), presses, rolls, and related forming equipment..