A professional who sets up and operates single- or double-die gear roll-forming machines to rough and finish roll-forming of gears, according to design information and machine operating instructions. Respnsibilities include:

• Mounts and centers forming dies on opposing die spindle heads, using handtools.
• Sets stops to control traversing of die spindle head to predetermined operating position.
• Adjusts each die spindle to form gears as specified and adjusts and locks phase adjustor to obtain designated rotational timing of dies with gear teeth on workpiece.
• Positions arbor on machine to form gears of specified diameter.
• Adjusts speed of arbor motor with speed of dies to ensure clash-free engagement of dies with workpiece.
• Mounts gear blank on arbor and starts machine to produce trial run gear to verify setup of machine.
• Feels and inspects gear to detect defects, such as burrs, using gauges and micrometers.
• Adjusts machine to correct faulty machine setup if gears do not meet specifications.
• Pushes buttons to start automatic operation of machine and monitors forming of gears.