A professional who tends machine that cuts metal plates, sheets, or structural shapes into specified radial or irregular shapes by action of reciprocating cutting knives or punches. Respnsibilities include:

• Positions and clamps specified cutter or punch into ram and bed of machine.
• Turns thumbscrews to adjust depth of stroke to thickness of metal.
• Turns handwheel to set specified distance between cutter or punch and center point of turntable or fixtures, using built-in scale or rule.
• Clamps guide and drive rollers over workpiece.
• Depresses pedal which activates ram and feed rollers to cut or punch along radius.
• Guides workpiece manually along cutting lines or template to cut irregular shapes.
• May lay out guidelines onto workpiece by tracing from template.
• Mat drill center hole into workpiece, using portable drill.
• May bevel edges of steel plates, using portable pneumatic nibbler.