A professional who operates machine equipped with opposing circular blades (one mounted above other) to shear metal plates and sheets to specified circular and curved dimensions. Respnsibilities include:

• Turns thumbscrew to adjust distance between cutters to thickness of metal, using feeler gauge, scale, or pattern.
• Positions and clamps workpiece to turntable and sets specified distance between center point of workpiece and cutting blades, using template or sliding scale on machine.
• Starts rotating action of cutters and turntable to cut metal.
• Lifts and aligns workpiece between cutting blades manually or by hoist and guides it along layout lines to cut irregular shapes.
• May lay out lines onto workpiece, using compass, or trace from template.
• May turn handwheel which tilts machine table or install fixture to cut specified bevel on workpiece.