R 408.12408 Definitions; R, S.

Rule 2408. (1) "Repeat" means an unintended or unexpected successive power stroke of the press resulting from a malfunction. (2) "Safety block" means a prop that, when inserted between the upper and lower dies or between the bolster plate and the face of the slide, prevents the slide from falling of its own dead weight. (3) "Semiautomatic feeding" means feeding wherein the material or part being processed is placed within, or removed from, the point of operation by an auxiliary means controlled by an operator on each stroke of the press. (4) "Single stroke" means 1 complete stroke of the slide, usually initiated from a full open (or up) position, followed by closing (or down), and then a return to the full open position. (5) "Single stroke mechanism" means an arrangement used on a full revolution clutch to limit the travel of the slide to 1 complete stroke at each engagement of the clutch. (6) "Slide" means the main reciprocating press member. A slide is also called a ram, plunger, or platen. (7) "Stop control" means an operator control designed to immediately deactivate the clutch control and activate the brake to stop slide motion. (8) "Stripper" means a mechanism or die part for removing the parts or material from the punch. (9) "Stroking selector" means the part of the clutch/brake control that determines the type of stroking when the operating means is actuated. The stroking selector generally includes positions for "off" such as clutch control, "inch," "single stroke," and "continuous" such as when continuous is furnished. (10) "Sweep device" means a single or double arm(rod) attached to the upper die or slide of the press and designed to move the operator's hands to a safe position, as the dies close, if the operator's hands are inadvertently within the point of operation.