Portion of a A machine tool with a stationary bed and a slide or ram that has reciprocating motion at right angles to the bed surface; the ram is guided in the frame of the machine. cycle during which the movement of a member is zero or at least insignificant. Usually refers to the interval between the completion of the The process of working metal to a desired shape by impact or pressure in hammers, forging machines (upsetters), presses, rolls, and related forming equipment. The vertical movement of a ram during half of the cycle, from the full open to the full closed position or vice versa. and the retraction of the The main reciprocating member of a press, guided in the press frame, to which the punch or upper die is fastened..